CN115670565A - Blocking device - Google Patents

Abstract

Translated fromChinese

本发明涉及一种封堵装置，包括第一部分，所述第一部分包括多根编织丝和收束件，所述多根编织丝的一端固定于所述收束件，所述第一部分具有至少一个盘面，所述收束件包括均中空且套设的内套管和外套管，所述内套管的长度大于所述外套管的长度，且所述内套管和所述外套管的近端端部齐平，所述第一部分的近端的盘面的至少靠近所述收束件的部分与所述收束件的中轴线垂直，从而在所述收束件的附近形成较为平坦的盘面。本发明的封堵装置能够使从而在所述收束件的附近形成较为平坦的盘面，也就是说，盘面的表面上没有明显凸出的部分，避免了血流在收束件附近形成血栓，提高了封堵装置的安全性。

The present invention relates to a blocking device, comprising a first part, the first part includes a plurality of braided wires and a constricting member, one end of the plurality of braided wires is fixed to the constricting member, and the first part has at least one On the disc surface, the constricting member includes an inner sleeve and an outer sleeve that are both hollow and sheathed, the length of the inner sleeve is greater than the length of the outer sleeve, and the proximal ends of the inner sleeve and the outer sleeve The ends are flush, and at least a part of the disc surface at the proximal end of the first part close to the constricting member is perpendicular to the central axis of the constricting member, so that a relatively flat disc surface is formed near the constricting member. The blocking device of the present invention can form a relatively flat disc surface near the constricting member, that is to say, there is no obvious protruding part on the surface of the disc surface, which prevents the blood flow from forming thrombus near the constricting member. The safety of the blocking device is improved.

Description

Translated fromChinese

封堵装置Blocking device

本案为申请号为202010808213.2的分案申请。This case is a divisional application with application number 202010808213.2.

技术领域technical field

本发明涉及介入医疗器械技术领域，尤其涉及一种用于封堵体内开口的封堵装置。The invention relates to the technical field of interventional medical devices, in particular to an occluding device for occluding an opening in a body.

背景技术Background technique

左心耳封堵器、房间隔缺损封堵器、动脉瘤封堵器等封堵装置，由于其结构实现封堵的优异性，以及植入患者体内后几乎不存在会危及生命的并发症等特点，越来越多地受到医生和患者的信赖。在这些封堵器中，用于封堵体内开口的密封盘，一般是通过编织丝编织成网管，且网管的两端均需要通过栓头进行收口固定。Left atrial appendage occluder, atrial septal defect occluder, aneurysm occluder and other occlusion devices, due to their excellent structure to achieve occlusion, and almost no life-threatening complications after implantation in patients , are increasingly trusted by doctors and patients. In these occluders, the sealing disk used to occlude the opening in the body is generally woven into a mesh tube through braided wire, and both ends of the mesh tube need to be closed and fixed by bolt heads.

由于栓头的存在，现有的栓头在收口编织丝的一端后，往往因为应力的存在，编织丝临近栓头的位置被拉紧弯曲，从而在弯折处突出于原设计的密封盘的盘面，相对于原有设计带来不可预知的风险，这是因为在编织丝临近栓头的位置暴露于血流中时，增加了在编织丝临近栓头的位置形成血栓的几率，血栓随着血流流入人体大脑后，容易堵塞血管，诱发中风，危害着人体健康。Due to the existence of the bolt head, after the existing bolt head closes one end of the braided wire, the position of the braided wire near the bolt head is often stretched and bent due to the stress, so that it protrudes beyond the original design of the sealing disc at the bend. Compared with the original design, the disk surface brings unpredictable risks. This is because when the position of the braided wire near the plug head is exposed to the blood flow, the probability of thrombus formation at the position of the braided wire near the plug head increases, and the thrombus follows After blood flows into the human brain, it is easy to block blood vessels, induce stroke, and endanger human health.

发明内容Contents of the invention

基于此，有必要针对现有的封堵装置中由于编织丝临近栓头的位置凸出于密封盘的盘面而容易形成血栓的问题提供一种新的封堵装置。Based on this, it is necessary to provide a new occlusion device for the problem that thrombus is easily formed in the existing occlusion device because the braided wire protrudes from the surface of the sealing disc near the plug head.

一种封堵装置，包括第一部分，所述第一部分包括多根编织丝和收束件，所述多根编织丝的一端固定于所述收束件，所述第一部分具有至少一个盘面，所述收束件包括均中空且套设的内套管和外套管，所述内套管的长度大于所述外套管的长度，且所述内套管和所述外套管的近端端部齐平，所述第一部分的近端的盘面的至少靠近所述收束件的部分与所述收束件的中轴线垂直，从而在所述收束件的附近形成较为平坦的盘面。A blocking device, comprising a first part, the first part includes a plurality of braided wires and a constricting member, one end of the plurality of braided wires is fixed to the constricting member, the first part has at least one disc surface, the The constricting member includes an inner sleeve and an outer sleeve that are both hollow and sheathed, the length of the inner sleeve is greater than the length of the outer sleeve, and the proximal ends of the inner sleeve and the outer sleeve are aligned. Flat, at least the portion of the disc surface at the proximal end of the first part that is close to the constricting member is perpendicular to the central axis of the constricting member, so that a relatively flat disc surface is formed near the constricting member.

在其中一个实施例中，所述收束件的一端设有与所述内套管连接的端盖，所述多根编织丝的一端从所述端盖和所述外套管之间的空隙伸入到所述内套管和所述外套管之间的空隙中。In one of the embodiments, one end of the constricting member is provided with an end cap connected to the inner sleeve, and one end of the plurality of braided wires extends from the gap between the end cap and the outer sleeve. into the space between the inner sleeve and the outer sleeve.

在其中一个实施例中，所述端盖和所述内套管一体成型。In one of the embodiments, the end cap and the inner sleeve are integrally formed.

在其中一个实施例中，所述端盖连接至所述内套管的近端。In one of the embodiments, the end cap is connected to the proximal end of the inner sleeve.

在其中一个实施例中，所述封堵装置还包括薄膜件，所述薄膜件至少覆盖所述盘面的部分外表面，所述薄膜件的收束区域设有开孔，且所述薄膜件的围合形成所述开孔的部分收容并固定在所述收束件内。In one of the embodiments, the blocking device further includes a film member, the film member covers at least part of the outer surface of the disk surface, the converging area of the film member is provided with openings, and the film member The part surrounding and forming the opening is accommodated and fixed in the constricting member.

在其中一个实施例中，所述薄膜件的收束区域至少部分地收容或固定在所述内套管和所述外套管之间。In one of the embodiments, the converging area of the film member is at least partially accommodated or fixed between the inner sleeve and the outer sleeve.

在其中一个实施例中，所述端盖上设有细槽，所述薄膜件的围合形成所述开孔的部分固定夹设在所述细槽内。In one of the embodiments, the end cap is provided with a thin groove, and the part of the thin film member that surrounds and forms the opening is fixedly clamped in the thin groove.

在其中一个实施例中，所述内套管的内壁上设有螺纹或卡接件。In one of the embodiments, the inner wall of the inner sleeve is provided with threads or clips.

在其中一个实施例中，所述收束件位于所述第一部分的近端，所述内套管和所述外套管的近端端部齐平，所述内套管的长度大于所述外套管的长度。In one of the embodiments, the constricting member is located at the proximal end of the first part, the proximal ends of the inner sleeve and the outer sleeve are flush, and the length of the inner sleeve is longer than that of the outer sleeve. the length of the tube.

在其中一个实施例中，所述内套管的近端端部和所述外套管的近端端部围合形成所述收束件的近端入口，所述内套管的远端端部和所述外套管的远端端部围合形成所述收束件的远端入口，且所述多根编织丝的一端在通过所述收束件的所述近端入口或所述远端入口后，固定于所述内套管和所述外套管之间。In one of the embodiments, the proximal end of the inner sleeve and the proximal end of the outer sleeve enclose the proximal inlet of the constricting member, and the distal end of the inner sleeve Enclosed with the distal end of the outer sleeve to form the distal inlet of the constricting member, and one end of the plurality of braided wires passes through the proximal inlet or the distal end of the constricting member After the entrance, it is fixed between the inner casing and the outer casing.

上述封堵装置中，所述第一部分的近端的盘面的至少靠近所述收束件的部分与所述收束件的中轴线垂直，从而在所述收束件的附近形成较为平坦的盘面，也就是说，盘面的表面上没有明显凸出的部分，避免了血流在收束件附近形成血栓，提高了封堵装置的安全性。In the above-mentioned blocking device, at least a part of the disc surface at the proximal end of the first part that is close to the constricting member is perpendicular to the central axis of the constricting member, so that a relatively flat disc surface is formed near the constricting member , That is to say, there is no obvious protruding part on the surface of the disc surface, which prevents blood flow from forming thrombus near the constricting member, and improves the safety of the occlusion device.

附图说明Description of drawings

图1为实施例1的封堵装置的其中一种整体结构示意图；Fig. 1 is one of the overall structural schematic diagrams of the blocking device of embodiment 1;

图2为实施例1中第一部分的其中一种结构示意图；Fig. 2 is one of them structural representations of the first part in embodiment 1;

图3为图2中圆形虚线部分的放大结构示意图；Fig. 3 is the schematic diagram of the enlarged structure of the circular dotted line part in Fig. 2;

图4为实施例1中第一部分的另一种结构示意图；Fig. 4 is another kind of structural representation of the first part in embodiment 1;

图5为实施例1中第一部分的另一种结构示意图；Fig. 5 is another kind of structural representation of the first part in embodiment 1;

图6为图5中圆形虚线部分的放大结构示意图；Fig. 6 is a schematic diagram of the enlarged structure of the circular dotted line part in Fig. 5;

图7为实施例1中第一部分的另一种结构示意图；Fig. 7 is another kind of structural representation of the first part in embodiment 1;

图8为图7中圆形虚线部分的放大结构示意图；FIG. 8 is a schematic diagram of an enlarged structure of the circular dotted line in FIG. 7;

图9为实施例1中第一部分的另一种结构示意图；Fig. 9 is another kind of structural representation of the first part in embodiment 1;

图10为图9中圆形虚线部分的放大结构示意图；Fig. 10 is a schematic diagram of the enlarged structure of the circular dotted line in Fig. 9;

图11为实施例1中设有开孔的薄膜件的展开结构示意图；Fig. 11 is a schematic diagram of the unfolded structure of the film member provided with openings in Example 1;

图12为实施例3中第一部分的其中一种结构示意图；Fig. 12 is one of the structural schematic diagrams of the first part in embodiment 3;

图13为图12中圆形虚线部分的放大结构示意图；Fig. 13 is a schematic diagram of the enlarged structure of the circular dotted line in Fig. 12;

图14为实施例5中第一部分近端处的展开结构示意图；Fig. 14 is a schematic diagram of the expanded structure at the proximal end of the first part in embodiment 5;

图15为实施例6中第一部分的其中一种结构示意图；Fig. 15 is one of the structural schematic diagrams of the first part in embodiment 6;

图16为图15中圆形虚线部分的另一实现方式的放大结构示意图；Fig. 16 is a schematic diagram of an enlarged structure of another implementation of the circular dotted line in Fig. 15;

图17为图15中圆形虚线部分的另一实现方式的放大结构示意图；FIG. 17 is a schematic diagram of an enlarged structure of another implementation of the circular dotted line in FIG. 15;

图18为实施例6中收束件的其中一种结构示意图；Fig. 18 is a schematic structural diagram of one of the converging parts in embodiment 6;

图19为实施例10中封堵装置的其中一种整体结构示意图；Figure 19 is a schematic diagram of one of the overall structures of the blocking device in Example 10;

图20A为实施例10中封堵装置植入到体内组织且与输送钢缆连接时的结构示意图；Fig. 20A is a schematic diagram of the structure of the occlusion device in Example 10 when it is implanted into the tissue in the body and connected to the delivery cable;

图20B为图20A中第一部分的纵向截面示意图；Figure 20B is a schematic longitudinal cross-sectional view of the first part in Figure 20A;

图21A为实施例10中封堵装置植入到体内组织且与输送钢缆断开连接时的结构示意图；Fig. 21A is a schematic diagram of the structure of the occlusion device in Example 10 when it is implanted into the tissue in the body and disconnected from the delivery cable;

图21B为图21A中第一部分的纵向截面示意图；FIG. 21B is a schematic longitudinal cross-sectional view of the first part in FIG. 21A;

图22为实施例10中第一部分的另一种结构示意图；Figure 22 is another schematic structural view of the first part in Embodiment 10;

图23为实施例10中第一部分的另一种结构示意图；Figure 23 is another schematic structural view of the first part in Embodiment 10;

图24为实施例10中第一部分的另一种结构示意图；Figure 24 is another schematic structural view of the first part in Embodiment 10;

图25为实施例10中第一部分的另一种结构示意图。Fig. 25 is another structural schematic diagram of the first part in Embodiment 10.

具体实施方式Detailed ways

为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

需要说明的是，在介入医疗器械领域，一般将植入人体或动物体内的医疗器械的距离操作者较近的一端称为“近端”，将距离操作者较远的一端称为“远端”，并依据此原理定义医疗器械的任一部件的“近端”和“远端”。“轴向”一般是指医疗器械在被输送时的长度方向，“径向”一般是指医疗器械的与其“轴向”垂直的方向，并依据此原理定义医疗器械的任一部件的“轴向”和“径向”。It should be noted that in the field of interventional medical devices, the end of a medical device implanted in a human or animal body that is closer to the operator is generally referred to as the "proximal end", and the end that is farther from the operator is referred to as the "distal end". ", and define the "proximal end" and "distal end" of any part of the medical device according to this principle. "Axial" generally refers to the length direction of the medical device when it is being transported, and "radial" generally refers to the direction perpendicular to the "axial" of the medical device, and the "axis" of any part of the medical device is defined according to this principle to" and "radial".

本申请中，相对位于近端的收束件被称为近端收束件，相对位于远端的收束件被称为远端收束件。同理，相对位于近端的盘面被称为近端盘面，相对位于远端的盘面被称为远端盘面。以下将结合具体实施例进一步详细说明本发明的技术方案。In this application, the constricting element relatively located at the proximal end is referred to as the proximal constricting element, and the constricting element relatively located at the far end is referred to as the distal constricting element. Similarly, the disk surface relatively located at the proximal end is called the proximal disk surface, and the disk surface relatively located at the far end is called the distal disk surface. The technical solutions of the present invention will be further described in detail below in conjunction with specific examples.

实施例1Example 1

请参考图1所示的封堵装置100，该封堵装置100包括相对位于近端的第一部分110和相对位于远端的第二部分120，第一部分110的远端与第二部分120的近端直接连接，或者第一部分110的远端与第二部分120的近端通过至少一个连接件130间接连接，该连接件130可以是刚性的或者是柔性的。在一些实施例中，第一部分110可用于封堵体内组织的开口或孔，第二部分120可用于将封堵装置100固定在体内组织的腔体内，例如，封堵装置100用作封堵左心耳的开口的情况。进一步地，第二部分120也可用于封堵体内组织的开口或孔。在另一些实施例中，第一部分110和第二部分120均可用于封堵体内组织的开口或孔，例如，封堵装置100用作封堵房间隔或室间隔的开孔的情况，或者用于卵圆孔未闭的情况，此时，第一部分110和第二部分120相互配合从而将封堵装置100固定在体内组织开口或孔的附近。Please refer to theocclusion device 100 shown in FIG. The two ends are directly connected, or the distal end of thefirst part 110 is indirectly connected with the proximal end of thesecond part 120 through at least one connectingmember 130, which may be rigid or flexible. In some embodiments, thefirst part 110 can be used to occlude the opening or hole of the tissue in the body, and thesecond part 120 can be used to fix theocclusion device 100 in the cavity of the tissue in the body, for example, theocclusion device 100 can be used to occlude the left The opening of the auricle. Further, thesecond portion 120 can also be used to seal openings or pores of tissues in the body. In some other embodiments, both thefirst part 110 and thesecond part 120 can be used to occlude openings or holes in tissues in the body, for example, when theoccluding device 100 is used to occlude the opening of the atrial septum or interventricular septum, or to use In the case of a patent foramen ovale, at this time, thefirst part 110 and thesecond part 120 cooperate with each other to fix theoccluding device 100 near the opening or hole of the tissue in the body.

第一部分110包括多根编织丝111和两个收束件112/113，其中，每根编织丝111均具有相对的近端和远端，多根编织丝111可被编织形成网管状，多根编织丝111也包括相对的近端和远端，并在热定型后呈现盘状或柱状等形状。因而，第一部分110至少包括一个近端盘面114和一个远端盘面115。第一部分110的近端盘面114由第一部分110的多根编织丝111的靠近该多根编织丝111的近端的部分配合形成。第一部分110的远端盘面115由第一部分110的多根编织丝111的靠近该多根编织丝111的远端的部分配合形成。第一部分110的近端盘面114和远端盘面115连接的部分，形成第一部分110的边沿116。Thefirst part 110 includes a plurality of braidedwires 111 and two constrictingmembers 112/113, wherein eachbraided wire 111 has a relative proximal end and a distal end, and the plurality of braidedwires 111 can be braided to form a network tube, and the plurality of braidedwires 111 Thebraided wire 111 also includes a proximal end and a distal end opposite to each other, and assumes a disc shape or a column shape after heat setting. Thus, thefirst portion 110 includes at least aproximal disc surface 114 and adistal disc surface 115 . Theproximal disc surface 114 of thefirst part 110 is formed by cooperation of the proximal ends of the plurality ofbraiding wires 111 of thefirst part 110 . Thedistal disc surface 115 of thefirst part 110 is formed by cooperation of portions of the plurality of braidedwires 111 of thefirst part 110 that are close to the distal ends of the plurality of braidedwires 111 . The part where theproximal disk surface 114 and thedistal disk surface 115 of thefirst part 110 are connected forms anedge 116 of thefirst part 110 .

第一部分110的近端收束件112包括均中空且套设的内套管和外套管，多根编织丝111的近端收容并固定在内套管和外套管之间，从而使多根编织丝111的近端固定于近端收束件112。第一部分110的远端收束件113可以为一个中空的套管，用于将多根编织丝111的远端收容并固定在该套管内部，从而使多根编织丝111的远端固定于远端收束件113。在另一实施例中，第一部分110的远端收束件113也可以与第一部分110的近端收束件112的结构相同，即包括均中空且套设的内套管和外套管，用于将多根编织丝111的远端收容并固定在远端收束件113的内套管和外套管之间。The proximal constrictingmember 112 of thefirst part 110 includes an inner sleeve and an outer sleeve that are both hollow and sheathed, and the proximal ends of a plurality of braidedwires 111 are accommodated and fixed between the inner sleeve and the outer sleeve, so that the plurality of braidedwires 111 The proximal end of thewire 111 is fixed to the proximal convergingmember 112 . The distalend constricting part 113 of thefirst part 110 can be a hollow sleeve, which is used for accommodating and fixing the distal ends of the multiple braidedwires 111 inside the sleeve, so that the distal ends of the multiple braidedwires 111 are fixed on the The far-end constricting member 113 . In another embodiment, the distal constrictingmember 113 of thefirst part 110 may also have the same structure as the proximal constrictingmember 112 of thefirst part 110, that is, it includes an inner sleeve and an outer sleeve that are both hollow and sheathed. The distal ends of the multiple braidedwires 111 are accommodated and fixed between the inner sleeve and the outer sleeve of the distal constrictingmember 113 .

第二部分120的具体结构不限，只要能够将封堵装置100在释放后固定在体内组织的腔体内即可。例如，第二部分120可通过激光切割具有形状记忆特性的合金管并热定型后得到，也可以由多根编织丝111经过编织后热定型得到。第二部分120的远端部分可以为封闭的，也可以具有开口。本实施例中，第二部分120包括多根编织丝121和两个收束件122/123，其中，多根编织丝121可被编织形成柱状的编织网，编织网的近端被第二部分120的近端收束件122收容和固定，编织网的远端被第二部分120的远端收束件123收容和固定。The specific structure of thesecond part 120 is not limited, as long as it can fix theoccluding device 100 in the cavity of the tissue in the body after release. For example, thesecond part 120 can be obtained by laser cutting an alloy tube with shape memory property and heat-setting, or can be obtained by braiding and heat-setting a plurality of braidedwires 111 . The distal portion of thesecond portion 120 may be closed or may have an opening. In this embodiment, thesecond part 120 includes a plurality of braidedwires 121 and two constrictingmembers 122/123, wherein the plurality of braidedwires 121 can be braided to form a columnar braided net, and the proximal end of the braided net is covered by the second part The proximal constrictingpart 122 of thesecond part 120 is accommodated and fixed, and the distal end of the braided mesh is accommodated and fixed by the distal constrictingpart 123 of thesecond part 120 .

第二部分120的近端收束件122可以包括均中空且套设的内套管和外套管，用于将第二部分120的多根编织丝121的近端收容并固定在该内套管和外套管之间。在另一实施例中，第二部分120的近端收束件122也可以为一个中空的套管，用于将第二部分120的多根编织丝121的近端收容并固定在该套管内部。The proximal constrictingmember 122 of thesecond part 120 may include an inner sleeve and an outer sleeve both of which are hollow and sheathed, for receiving and fixing the proximal ends of the plurality of braidedwires 121 of thesecond part 120 in the inner sleeve and between the outer casing. In another embodiment, the proximal constrictingpart 122 of thesecond part 120 can also be a hollow sleeve, which is used to accommodate and fix the proximal ends of the multiple braidedwires 121 of thesecond part 120 in the sleeve. internal.

第二部分120的远端收束件123也可以为一个中空的套管，用于将第二部分120的多根编织丝121的远端收容并固定在该套管内部。在另一实施例中，第二部分120的远端收束件123也可以与第一部分110的近端收束件112的结构相同，即包括均中空且套设的内套管和外套管，用于将第二部分120的多根编织丝121的远端收容并固定在该内套管和外套管之间。The distal constrictingmember 123 of thesecond part 120 can also be a hollow sleeve, which is used to accommodate and fix the distal ends of the plurality of braidedwires 121 of thesecond part 120 inside the sleeve. In another embodiment, the distal constrictingmember 123 of thesecond part 120 may also have the same structure as the proximal constrictingmember 112 of thefirst part 110, that is, it includes a hollow inner sleeve and an outer sleeve, The distal ends of the plurality of braidedwires 121 of thesecond part 120 are accommodated and fixed between the inner sleeve and the outer sleeve.

在其他实施例中，当第一部分110与第二部分120为一体成型的结构时，第一部分110的远端可以不设置远端收束件113，第二部分120的近端也可以不设置近端收束件122。In other embodiments, when thefirst part 110 and thesecond part 120 are integrally formed, the distal end of thefirst part 110 may not be provided with the distal constrictingmember 113, and the proximal end of thesecond part 120 may not be provided with aproximal end restraints 122 .

封堵装置100还包括薄膜件，薄膜件可设置在第一部分110和/或第二部分120。当薄膜件设置在第一部分110上时，薄膜件117至少覆盖第一部分110的近端盘面114的外表面，且薄膜件117的收束区域118至少部分地固定在第一部分110的近端收束件112内，从而保证了第一部分110的近端具有足够好的密封性，且同时通过近端收束件112将薄膜件117的收束区域118牢固地固定。在其他实施例中，薄膜件117覆盖第一部分110的近端盘面114的部分外表面，以根据需要有针对性地增强近端盘面114局部区域的密封性。在其他实施例中，第一部分110上的薄膜件117还可进一步覆盖第一部分110的边沿116。进一步地，在其他实施例中，第一部分110上的薄膜件117还可以覆盖第一部分110的远端盘面115，也即薄膜件117覆盖了第一部分110的近端盘面114、边沿116和远端盘面115。薄膜件117的收束区域118指的是薄膜件117的位于收束件附近的部分，收束件可位于薄膜件117的中心位置或其他位置；当薄膜件117被近端收束件112或远端收束件123固定时，薄膜件117的收束区域118可以是指薄膜件117的靠近相应的近端收束件112或远端收束件123的部分。同理可定义第二部分120上的薄膜件124的收束区域125。Theocclusion device 100 also includes a membrane element, which can be provided on thefirst part 110 and/or thesecond part 120 . When the thin film member is arranged on thefirst part 110, thethin film member 117 at least covers the outer surface of theproximal disk surface 114 of thefirst part 110, and the convergingarea 118 of thethin film member 117 is at least partially fixed at the proximal constriction of thefirst part 110. inside themember 112 , so as to ensure that the proximal end of thefirst part 110 has a sufficiently good seal, and at the same time, the constrictingarea 118 of thefilm member 117 is firmly fixed by the proximal constrictingmember 112 . In other embodiments, thethin film 117 covers a part of the outer surface of theproximal disk surface 114 of thefirst part 110 , so as to specifically enhance the sealing performance of a local area of theproximal disk surface 114 as required. In other embodiments, thethin film 117 on thefirst part 110 can further cover theedge 116 of thefirst part 110 . Further, in other embodiments, thefilm member 117 on thefirst part 110 can also cover thedistal disk surface 115 of thefirst part 110, that is, thefilm member 117 covers theproximal disk surface 114, theedge 116 and the distal end of thefirst part 110.Disk 115. The convergingarea 118 of thefilm member 117 refers to the part of thefilm member 117 that is located near the constricting member, and the converging member can be located at the center or other positions of thefilm member 117; When the distal constrictingmember 123 is fixed, the constrictingregion 118 of thethin film member 117 may refer to the portion of thethin film member 117 that is close to the corresponding proximal constrictingmember 112 or the distal convergingmember 123 . Similarly, the convergingregion 125 of thefilm member 124 on thesecond portion 120 can be defined.

薄膜件117可采用PET膜或PTFE膜制成，因而不仅具有良好的密封性，还能够在血流的冲击下促进薄膜件117上内皮爬附，从而进一步提高密封性。Thethin film 117 can be made of PET film or PTFE film, so it not only has good sealing performance, but also can promote the adhesion of the endothelium on thethin film 117 under the impact of blood flow, thereby further improving the sealing performance.

如图1至图3所示，第一部分110的近端盘面114和边沿116上包覆有薄膜件117，薄膜件117可以为一层或多层。薄膜件117的收束区域118的一部分被固定在第一部分110的近端收束件112内，具体地，可以是被夹紧在该近端收束件112的内套管1121和外套管1122之间从而被固定，也可以是卡设在内套管1121和外套管1122上且在内套管1121和外套管1122连接在一起后而被相对固定。薄膜件117的其他部分可通过缝线缝在第一部分110的近端盘面114上，或通过粘结剂粘结在第一部分110的近端盘面114上。薄膜件117的边缘覆盖了第一部分110的边沿116，能够减少第一部分110的边沿116部分对体内组织造成的刮擦等损伤。薄膜件117的边缘可通过缝合线缝合到边沿116处的编织丝111上进行固定，或通过粘结剂粘结等方式固定在边沿116处。第一部分110上多根编织丝111的近端被固定在近端收束件112的内套管1121和外套管1122之间，固定方式可以为由内套管1121和外套管1122夹紧固定，也可以为通过焊接等方式将多根编织丝111的近端固定在外套管1122的远端端部，固定方式不做限制。As shown in FIG. 1 to FIG. 3 , theproximal disc surface 114 and theedge 116 of thefirst part 110 are covered with afilm member 117 , and thefilm member 117 may be one or more layers. A part of the constrictingarea 118 of thefilm member 117 is fixed in the proximal constrictingpart 112 of thefirst part 110, specifically, theinner sleeve 1121 and theouter sleeve 1122 of the proximal constrictingpart 112 may be clamped It can also be fixed on theinner sleeve 1121 and theouter sleeve 1122 and be relatively fixed after theinner sleeve 1121 and theouter sleeve 1122 are connected together. The other parts of thefilm member 117 can be sewn on theproximal disk surface 114 of thefirst part 110 by stitching, or bonded to theproximal disk surface 114 of thefirst part 110 by adhesive. The edge of thethin film 117 covers theedge 116 of thefirst part 110 , which can reduce the damage caused by theedge 116 of thefirst part 110 to tissues in the body. The edge of thefilm member 117 can be fixed to thebraided wire 111 at theedge 116 by sewing thread, or fixed at theedge 116 by adhesive bonding or the like. The proximal ends of the multiple braidedwires 111 on thefirst part 110 are fixed between theinner sleeve 1121 and theouter sleeve 1122 of the proximal constrictingmember 112, and the fixing method may be clamped and fixed by theinner sleeve 1121 and theouter sleeve 1122, It is also possible to fix the proximal ends of the multiple braidedwires 111 on the distal end of theouter sleeve 1122 by means of welding, etc., and the fixing method is not limited.

薄膜件117可以为一个完整的圆形薄膜，其上未设有明显的开孔。薄膜件117夹设在近端收束件112的内套管1121和外套管1122之间后，内套管1121的远端开口1123被薄膜件117的最中心的一部分所覆盖，从而封堵了内套管1121的远端开口1123，以阻止血流通过内套管1121流入第一部分110的内部，提高了封堵装置100的密封性。Thefilm member 117 can be a complete circular film without obvious openings. After thethin film 117 is sandwiched between theinner sleeve 1121 and theouter sleeve 1122 of the proximal constrictingmember 112, thedistal opening 1123 of theinner sleeve 1121 is covered by the most central part of thethin film 117, thereby blocking the Thedistal opening 1123 of theinner cannula 1121 prevents blood from flowing into the interior of thefirst part 110 through theinner cannula 1121 , improving the sealing performance of theocclusion device 100 .

进一步地，第一部分110的近端收束件112的内套管1121的内壁上设有螺纹1124或卡接件，可与输送钢缆的远端配合实现可拆卸连接，以达到在第一部分110的近端收束件112与输送钢缆连接时可用于输送封堵装置100，以及在断开连接时彻底释放封堵装置100并回收输送钢缆的目的。在其他实施例中，收束件的内套管1121的内壁上可不设有螺纹1124或卡接件。Further, the inner wall of theinner sleeve 1121 of the proximal constrictingmember 112 of thefirst part 110 is provided with ascrew thread 1124 or a clip, which can cooperate with the distal end of the delivery cable to achieve a detachable connection, so as to achieve thefirst part 110 The proximal constrictingmember 112 can be used to deliver theocclusion device 100 when it is connected to the delivery cable, and can completely release theocclusion device 100 and recover the delivery cable when the connection is disconnected. In other embodiments, the inner wall of theinner sleeve 1121 of the converging member may not be provided withthreads 1124 or clips.

进一步地，第一部分110的近端收束件112的内套管1121的腔体内设有径向延伸或与内套管1121的中心轴具有夹角的限制件1125，既可以用来限制输送钢缆与近端收束件112连接时伸入内套管1121内部的深度，防止输送钢缆的远端戳到位于近端收束件112的远端端面上的薄膜件117，又可以用来将薄膜件117固定在近端收束件112上，以进一步增强薄膜件117在近端收束件112内的稳固性。本实施例中，限制件1125为穿设在近端收束件112的内套管1121的管壁和外套管1122的管壁上的插销，内套管1121的管壁上开设有两个相对的通孔，外套管1122的管壁上也开设有两个相对的通孔，插销的一端自外向内依次穿过外套管1122的通孔、内套管1121的通孔、内套管1121的通孔和外套管1122的通孔，最终插销的两端分别收容并固定在外套管1122的两个通孔内。在其他实施例中，限制件1125还可以为其他杆状的组件，限制件1125的两端也可向外伸出外套管1122的管壁；进一步地，限制件1125的两端在伸出外套管1122的管壁后，通过形状约束从而形成对限制件1125在径向方向上移动的限制，例如，将限制件1125的两端设成球头状或其他形状的凸起，只要凸起在轴向方向的外径大于外套管1122的管壁上用于收容限制件1125的通孔的直径即可。在其它实施例中，限制件1125仅贯穿内套管1121的管壁，且限制件1125的两端分别收容并固定在内套管1121的两个通孔内。在其他实施例中，近端收束件112内可不设有限制件1125。Further, the cavity of theinner sleeve 1121 of the proximal constrictingmember 112 of thefirst part 110 is provided with a restrictingmember 1125 extending radially or having an angle with the central axis of theinner sleeve 1121, which can be used to limit the delivery of steel. When the cable is connected to the proximal constrictingmember 112, it extends into the depth of theinner sleeve 1121 to prevent the far end of the delivery steel cable from poking into thefilm member 117 on the distal end face of the proximal constrictingmember 112, which can also be used to Thefilm member 117 is fixed on the proximal constrictingmember 112 to further enhance the stability of thefilm member 117 in the proximal constrictingmember 112 . In this embodiment, the restrictingpiece 1125 is a pin that passes through the tube wall of theinner tube 1121 and the tube wall of theouter tube 1122 of the proximal constrictingpart 112, and the tube wall of theinner tube 1121 is provided with two opposite There are two through holes on the wall of theouter sleeve 1122, and one end of the pin passes through the through hole of theouter sleeve 1122, the through hole of theinner sleeve 1121, and the through hole of theinner sleeve 1121 from the outside to the inside. The through hole and the through hole of theouter sleeve 1122 , and finally the two ends of the bolt are respectively accommodated and fixed in the two through holes of theouter sleeve 1122 . In other embodiments, the restrictingmember 1125 can also be other rod-shaped components, and the two ends of the restrictingmember 1125 can also protrude outward from the tube wall of theouter casing 1122; Behind the pipe wall of thepipe 1122, the restrictions on the movement of the restrictingmember 1125 in the radial direction are formed by shape constraints, for example, the two ends of the restrictingmember 1125 are set as protrusions in the shape of a ball head or other shapes, as long as the protrusions are in the The outer diameter in the axial direction may be greater than the diameter of the through hole on the tube wall of theouter sleeve 1122 for receiving the limitingmember 1125 . In other embodiments, the restrictingmember 1125 only penetrates the tube wall of theinner sleeve 1121 , and the two ends of the restrictingmember 1125 are respectively accommodated and fixed in two through holes of theinner sleeve 1121 . In other embodiments, the restrictingmember 1125 may not be provided in the proximal constrictingmember 112 .

本实施例中，第一部分110的近端盘面114的至少靠近近端收束件112的部分1141与该近端收束件112的中轴线垂直，从而在近端收束件112的附近形成较为平坦的盘面，以避免血栓在近端收束件112附近形成的风险，提高安全性。其中，平坦的盘面指的是，盘面的表面上没有明显凸出的部分，即使有若干凸出的部分，则这些凸出的部分相对于其他部分向外凸出的高度小于或等于2毫米。在其他实施例中，如图4所示，第一部分110的近端盘面114的至少靠近近端收束件112的部分1142可设置为不与该近端收束件112的中轴线垂直。In this embodiment, at least theportion 1141 of theproximal disc surface 114 of thefirst part 110 that is close to the proximal constrictingmember 112 is perpendicular to the central axis of the proximal constrictingmember 112, thereby forming a comparative The flat disc surface avoids the risk of thrombus forming near the proximal constrictingmember 112 and improves safety. Wherein, the flat disk surface means that there is no obvious protruding part on the surface of the disk surface, even if there are several protruding parts, the height of these protruding parts relative to other parts is less than or equal to 2 mm. In other embodiments, as shown in FIG. 4 , at least aportion 1142 of theproximal disc surface 114 of thefirst portion 110 that is close to the proximal constrictingmember 112 may be not perpendicular to the central axis of the proximal constrictingmember 112 .

进一步地，在其他实施例中，如图4至图6所示，近端收束件112的近端设有与内套管1121连接的端盖1126，薄膜件117的收束区域118至少部分地收容或固定在端盖1126与外套管1122之间，从而进一步将薄膜件117稳固地固定在近端收束件112内。第一部分110上多根编织丝111的近端从端盖1126和外套管1122之间的空隙伸入到内套管1121和外套管1122之间的空隙中，直至伸入到外套管1122的远端端部后，通过焊接等方式固定在近端收束件112的远端，具体地，作为其中一种实现方式，可固定在外套管1122的远端端部和内套管1121的远端端部之间。在其他实施例中，近端收束件112的远端也可设有与外套管1122或内套管1121连接的端盖1126，以进一步将薄膜件117稳固地固定在近端收束件112内，还可封堵近端收束件112远端的开口，提高密封性。Further, in other embodiments, as shown in FIGS. 4 to 6 , the proximal end of the proximal constrictingmember 112 is provided with anend cap 1126 connected to theinner sleeve 1121 , and the constrictingregion 118 of thefilm member 117 is at least partially It is accommodated or fixed between theend cap 1126 and theouter sleeve 1122 , thereby further firmly fixing thefilm member 117 in the proximal constrictingmember 112 . The proximal end of a plurality of braidedwires 111 on thefirst part 110 extends from the gap between theend cap 1126 and theouter sleeve 1122 into the gap between theinner sleeve 1121 and theouter sleeve 1122 until it reaches the far end of theouter sleeve 1122. After the end, it is fixed on the distal end of the proximal constrictingmember 112 by means of welding, etc., specifically, as one of the implementation methods, it can be fixed on the distal end of theouter sleeve 1122 and the distal end of theinner sleeve 1121 between the ends. In other embodiments, the distal end of the proximal constrictingmember 112 may also be provided with anend cap 1126 connected to theouter sleeve 1122 or theinner sleeve 1121, so as to further securely fix thefilm member 117 on the proximal constrictingmember 112. Inside, the opening at the distal end of the proximal constrictingmember 112 can also be blocked to improve the sealing performance.

在图5和图6所示的实施例中，薄膜件117的收束区域118设有如图11所示的开孔1171，且薄膜件117的围合形成该开孔1171的部分收容并固定在近端收束件112内。具体地，薄膜件117的围合形成该开孔1171的部分从端盖1126和外套管1122之间的空隙伸入到内套管1121和外套管1122之间后，呈环形或管状而与多根编织丝111的一部分一起被夹紧在内套管1121和外套管1122之间。这种薄膜件117可用在需要近端收束件112的远端开口1123不被封闭的情况下，例如需要通过远端开口1123朝远端输送物质或组件等情况。在其他实施例中，端盖1126上可设有细槽，薄膜件117的围合形成该开孔1171的部分可固定夹设在端盖1126的细槽内，具体方式不限。在其他实施例中，近端收束件112内可不设有限制件1125或端盖1126，内套管1121内也可不设有螺纹1124或卡接件。In the embodiment shown in Fig. 5 and Fig. 6, the convergingregion 118 of thefilm member 117 is provided with anopening 1171 as shown in Fig. Inside the proximal constrictingmember 112 . Specifically, the part of theopening 1171 formed by the enclosure of thefilm member 117 extends from the gap between theend cap 1126 and theouter sleeve 1122 to between theinner sleeve 1121 and theouter sleeve 1122, and is in the shape of a ring or a tube and is in line with multiple A portion of the braidedfilaments 111 are clamped together between theinner sleeve 1121 and theouter sleeve 1122 . This kind offilm member 117 can be used in situations where thedistal opening 1123 of the proximal constrictingmember 112 is required not to be closed, for example, it is required to transport substances or components distally through thedistal opening 1123 . In other embodiments, theend cap 1126 may be provided with a thin groove, and the part of thefilm member 117 surrounding theopening 1171 may be fixedly clamped in the thin groove of theend cap 1126 , and the specific method is not limited. In other embodiments, the proximal constrictingmember 112 may not be provided with a limitingmember 1125 or anend cap 1126 , and theinner sleeve 1121 may not be provided with athread 1124 or a locking member.

内套管1121的近端端部和外套管1122的近端端部围合形成近端收束件112的近端入口，内套管1121的远端端部和外套管1122的远端端部围合形成近端收束件112的远端入口，且第一部分110的多根编织丝111的近端在通过近端收束件112的近端入口或远端入口后，收容或固定在内套管1121和外套管1122之间。具体地，当第一部分110的多根编织丝111的近端是通过近端收束件112的近端入口被接收和固定时，如图3和图6所示，薄膜件117的收束区域118经由近端收束件112的近端入口1127而至少部分地固定在内套管1121和外套管1122之间。当第一部分110的多根编织丝111的近端是通过近端收束件112的远端入口1128被接收和固定时，如图7和图8所示，薄膜件117的收束区域118经由近端收束件112的远端入口1128而至少部分地收容或固定在内套管1121和外套管1122之间。在其他实施例中，当第一部分110的多根编织丝111的近端是通过近端收束件112的远端入口1128被接收和固定时，如图9和图10所示，薄膜件117的收束区域118经由近端收束件112的近端入口1127而至少部分地收容或固定在内套管1121和外套管1122之间。The proximal end of theinner sleeve 1121 and the proximal end of theouter sleeve 1122 enclose the proximal entrance of theproximal constriction member 112, and the distal end of theinner sleeve 1121 and the distal end of theouter sleeve 1122 The distal entrance of the proximal constrictingmember 112 is enclosed, and the proximal ends of the multiple braidedwires 111 of thefirst part 110 are accommodated or fixed inside after passing through the proximal or distal entrance of the proximal constrictingmember 112 between thecasing 1121 and theouter casing 1122 . Specifically, when the proximal ends of the plurality of braidedwires 111 of thefirst part 110 are received and fixed through the proximal entrance of the proximal constrictingmember 112, as shown in FIGS. 118 is at least partially secured between theinner sleeve 1121 and theouter sleeve 1122 via theproximal inlet 1127 of theproximal bundle 112 . When the proximal ends of the plurality of braidedwires 111 of thefirst part 110 are received and fixed through thedistal entrance 1128 of the proximal constrictingmember 112, as shown in FIGS. Thedistal inlet 1128 of theproximal bundle 112 is at least partially received or secured between theinner sleeve 1121 and theouter sleeve 1122 . In other embodiments, when the proximal ends of the plurality of braidedwires 111 of thefirst part 110 are received and fixed through thedistal entrance 1128 of the proximal constrictingmember 112, as shown in FIGS. 9 and 10 , thefilm member 117 The constrictingregion 118 of the proximal constrictingmember 112 is at least partially received or secured between theinner sleeve 1121 and theouter sleeve 1122 via theproximal inlet 1127 of theproximal constriction member 112 .

在其他实施例中，第一部分110的内部还设有至少一层阻流膜，用于阻止血液从第一部分110的近端盘面114流入第一部分110的内部，从而进一步提高第一部分110的封堵性能。In other embodiments, the inside of thefirst part 110 is further provided with at least one layer of blocking film, which is used to prevent blood from flowing into the inside of thefirst part 110 from theproximal disc surface 114 of thefirst part 110, thereby further improving the blocking of thefirst part 110. performance.

实施例2Example 2

实施例2的封堵装置中与实施例1相同的部分在此不再赘述，两者的区别主要在于，实施例1所描述的第一部分110的近端收束件112或远端收束件113，同样可用于第二部分120。The parts of the occlusion device in Embodiment 2 that are the same as in Embodiment 1 will not be repeated here. The difference between the two mainly lies in that the proximal constrictingmember 112 or the distal constricting member of thefirst part 110 described in Embodiment 1 113, which can also be used for thesecond part 120.

具体地，与图1所示的结构近似，第二部分120的薄膜件124覆盖第二部分120的近端盘面126的外表面和边沿127，且薄膜件124的收束区域125至少部分地固定在第二部分120的近端收束件122内。第二部分120的边沿127，即第二部分120的近端盘面126和远端盘面128之间的侧面部分。进一步地，在其他实施例中，第二部分120上的薄膜件124还可进一步覆盖第二部分120的远端盘面128，也即薄膜件124覆盖了第二部分120的近端盘面126、边沿127和远端盘面128。在其他实施例中，第二部分120的薄膜件124仅覆盖第二部分120的近端盘面126的外表面或远端盘面128的外表面，或远端盘面128的外表面和边沿127。在其他实施例中，薄膜件124可覆盖近端盘面126或远端盘面128的部分外表面，以根据需要有针对性地增强近端盘面126或远端盘面128局部区域的密封性。在此基础上，实施例1中第一部分110上设置的近端收束件112的上述多种具体结构，以及收容和固定多根编织丝111的近端、薄膜件117的收束区域118的多种具体方式，同样适用于第二部分120上的近端收束件122，在此不再赘述。Specifically, similar to the structure shown in FIG. 1 , thefilm member 124 of thesecond part 120 covers the outer surface and theedge 127 of theproximal disc surface 126 of thesecond part 120, and the convergingarea 125 of thefilm member 124 is at least partially fixed. Within the proximalconvergent element 122 of thesecond portion 120 . Theedge 127 of thesecond part 120 is the side portion between theproximal disk surface 126 and thedistal disk surface 128 of thesecond part 120 . Further, in other embodiments, thefilm member 124 on thesecond part 120 can further cover thedistal disk surface 128 of thesecond part 120, that is, thefilm member 124 covers theproximal disk surface 126 and the edge of thesecond part 120. 127 and thedistal disk surface 128. In other embodiments, themembrane 124 of thesecond portion 120 only covers the outer surface of theproximal disk 126 or the outer surface of thedistal disk 128 of thesecond portion 120 , or the outer surface and theedge 127 of thedistal disk 128 . In other embodiments, thefilm member 124 may cover part of the outer surface of theproximal disk surface 126 or thedistal disk surface 128, so as to specifically enhance the sealing performance of a local area of theproximal disk surface 126 or thedistal disk surface 128 as required. On this basis, the above-mentioned various specific structures of the proximalend constricting member 112 provided on thefirst part 110 in Embodiment 1, as well as the proximal ends of the plurality of braidedwires 111 and the constrictingarea 118 of thefilm member 117 are accommodated and fixed. A variety of specific ways are also applicable to the proximal constrictingmember 122 on thesecond part 120 , which will not be repeated here.

实施例3Example 3

实施例3的封堵装置中与实施例1相同的部分在此不再赘述，两者的区别主要在于，实施例1所描述的近端收束件112可设置在第一部分110的远端而作为远端收束件113，两者的结构、与薄膜件117的配合方式、在收束件内的固定方式等特征均相同或近似。The same parts of the occlusion device in Embodiment 3 as in Embodiment 1 will not be repeated here. The main difference between the two is that the proximal constrictingmember 112 described in Embodiment 1 can be set at the distal end of thefirst part 110 and As the distal convergingpart 113, the structure, the way of cooperating with thethin film part 117, the fixing method in the converging part and other features of both are the same or similar.

具体地，第一部分110的薄膜件117至少覆盖第一部分110的远端盘面115的部分外表面，且薄膜件117的收束区域118至少部分地固定在第一部分110的远端收束件113内。在其他实施例中，第一部分110上的薄膜件117进一步覆盖第一部分110的边沿116。进一步地，在本实施例中，如图12所示，第一部分110上的薄膜件117还可以覆盖第一部分110的近端盘面114，也即薄膜件117覆盖了第一部分110的远端盘面115、边沿116和近端盘面114。Specifically, thefilm member 117 of thefirst part 110 covers at least part of the outer surface of thedistal disk surface 115 of thefirst part 110, and the constrictingarea 118 of thefilm member 117 is at least partially fixed in the distal constrictingpart 113 of thefirst part 110 . In other embodiments, thethin film 117 on thefirst portion 110 further covers theedge 116 of thefirst portion 110 . Further, in this embodiment, as shown in FIG. 12 , thefilm member 117 on thefirst part 110 can also cover theproximal disk surface 114 of thefirst part 110, that is, thefilm member 117 covers thedistal disk surface 115 of thefirst part 110 , therim 116 and theproximal disk surface 114.

在其中一些实施例中，结合图12和图13所示，第一部分110的远端收束件113包括由内至外套设的内套管1131和外套管1132，内套管1131的近端端部和外套管1132的近端端部围合形成远端收束件113的近端入口1133，内套管1131的远端端部和外套管1132的远端端部围合形成远端收束件113的远端入口1134，且第一部分110的多根编织丝111的远端在通过远端收束件113的远端入口1134后，收容或固定在内套管1131和外套管1122之间。在其他实施例中，第一部分110的多根编织丝111的远端在通过远端收束件113的近端入口1133后，收容或固定在内套管1131和外套管1122之间。In some of these embodiments, as shown in FIG. 12 and FIG. 13 , the distal constrictingmember 113 of thefirst part 110 includes aninner sleeve 1131 and anouter sleeve 1132 arranged from the inside to the outside, and the proximal end of theinner sleeve 1131 The proximal end of theinner sleeve 1131 and the proximal end of theouter sleeve 1132 are enclosed to form theproximal entrance 1133 of the distal convergingmember 113, and the distal end of theinner sleeve 1131 and the distal end of theouter sleeve 1132 are enclosed to form a distal constriction. Thedistal inlet 1134 of themember 113, and the distal ends of the plurality of braidedwires 111 of thefirst part 110 are accommodated or fixed between theinner sleeve 1131 and theouter sleeve 1122 after passing through thedistal inlet 1134 of the distal constrictingmember 113 . In other embodiments, the distal ends of the plurality of braidedwires 111 of thefirst part 110 are accommodated or fixed between theinner sleeve 1131 and theouter sleeve 1122 after passing through theproximal entrance 1133 of the distal constrictingmember 113 .

具体地，当第一部分110的多根编织丝111的远端是通过远端收束件113的近端入口1133被接收和固定时，薄膜件117的收束区域118经由远端收束件113的近端入口1133或远端入口1134而至少部分地收容或固定在内套管1131和外套管1122之间。当第一部分110的多根编织丝111的远端是通过远端收束件113的远端入口1134被接收和固定时，薄膜件117的收束区域118经由远端收束件113的远端入口1134而至少部分地收容或固定在内套管1131和外套管1122之间。Specifically, when the distal ends of the plurality of braidedwires 111 of thefirst part 110 are received and fixed through theproximal entrance 1133 of the distal constrictingmember 113 , the constrictingarea 118 of thefilm member 117 passes through the distal constrictingmember 113 Theproximal inlet 1133 or thedistal inlet 1134 is at least partially accommodated or fixed between theinner sleeve 1131 and theouter sleeve 1122 . When the distal ends of the plurality of braidedwires 111 of thefirst part 110 are received and fixed through thedistal entrance 1134 of the distal constrictingmember 113 , the constrictingregion 118 of thefilm member 117 passes through the distal end of the distal constrictingmember 113 Theinlet 1134 is at least partially received or fixed between theinner sleeve 1131 and theouter sleeve 1122 .

实施例4Example 4

实施例4的封堵装置中与实施例3相同的部分在此不再赘述，两者的区别主要在于，实施例3所描述的第一部分110的远端收束件113同样可用于第二部分120的远端收束件123。The parts of the occlusion device in Embodiment 4 that are the same as in Embodiment 3 will not be repeated here. The main difference between the two is that the distal constrictingmember 113 of thefirst part 110 described in Embodiment 3 can also be used in the second part. 120 of the distal convergingmember 123.

具体地，第二部分120的薄膜件124至少覆盖第二部分120的远端盘面128的部分外表面，且薄膜件124的收束区域125至少部分地固定在第二部分120的远端收束件123内。在图1所示的实施例中，第二部分120上的薄膜件124还可进一步覆盖第二部分120的边沿127，也即第二部分120的近端盘面126和远端盘面128之间的侧面部分。进一步地，在其他实施例中，第二部分120上的薄膜件124还可以覆盖第二部分120的近端盘面126，也即薄膜件124覆盖了第二部分120的远端盘面128、边沿127和近端盘面126。在此基础上，实施例3中第一部分110上设置的远端收束件113的上述多种具体结构，以及收容和固定多根编织丝的远端、薄膜件117的收束区域118的多种具体方式，同样适用于第二部分120上的远端收束件123，在此不再赘述。Specifically, thefilm member 124 of thesecond part 120 covers at least part of the outer surface of thedistal disc surface 128 of thesecond part 120, and the convergingregion 125 of thefilm member 124 is at least partially fixed at the constricting distal end of thesecond part 120.Part 123. In the embodiment shown in FIG. 1 , thefilm member 124 on thesecond part 120 can further cover theedge 127 of thesecond part 120, that is, the gap between theproximal disk surface 126 and thedistal disk surface 128 of thesecond part 120. side part. Further, in other embodiments, thefilm member 124 on thesecond part 120 can also cover theproximal disk surface 126 of thesecond part 120, that is, thefilm member 124 covers thedistal disk surface 128 and theedge 127 of thesecond part 120. and theproximal disk surface 126. On this basis, the above-mentioned multiple specific structures of the distal constrictingmember 113 provided on thefirst part 110 in Embodiment 3, as well as the distal ends of the multiple braided wires and the multiple constrictingregions 118 of thefilm member 117 are accommodated and fixed. A specific manner is also applicable to the distal constrictingmember 123 on thesecond part 120, and will not be repeated here.

实施例5Example 5

实施例5的封堵装置中与实施例1至实施例4相同的部分在此不再赘述，其区别主要在于，如图14所示，第一部分110还包括位于第一部分110边沿116的延伸件119，第一部分110上的薄膜件117还覆盖延伸件119，延伸件119在展开后径向向外撑开薄膜件117。本实施例中，延伸件119为设置在第一部分110边沿116的多根呈半环状的丝，丝的两端固定在第一部分110的边沿116上。多根丝沿着第一部分110的边沿116可均匀分布。进一步地，相邻两个丝之间可间隔一定距离或相互抵接。作为其中一种实施方式，丝可由编织制成第一部分110的多根编织丝111的一部分向外凸出第一部分110的边沿116形成。在其他实施方式中，丝可以为单独的组件，其两端可以被分别固定在已编织好的第一部分110的边沿116上的合适位置处，并呈半环状即可。延伸件119还可以具有其他形状或结构，只要能够在第一部分110被释放时，延伸件119展开并径向向外撑开薄膜件117，使得薄膜件117在第一部分110的外表面上平整地展开即可，避免盘面出现褶皱而容易产生血栓。The parts of the occluding device in Embodiment 5 that are the same as those in Embodiment 1 to Embodiment 4 will not be repeated here. The main difference is that, as shown in FIG. 119 , thefilm member 117 on thefirst part 110 also covers theextension member 119 , and theextension member 119 stretches thefilm member 117 radially outward after being deployed. In this embodiment, theextension piece 119 is a plurality of semi-circular wires arranged on theedge 116 of thefirst part 110 , and the two ends of the wires are fixed on theedge 116 of thefirst part 110 . The plurality of filaments may be evenly distributed along theedge 116 of thefirst portion 110 . Further, two adjacent wires may be separated by a certain distance or abut against each other. As one of the embodiments, the wire may be formed by a part of the plurality of braidedwires 111 braided into thefirst part 110 protruding outward from theedge 116 of thefirst part 110 . In other embodiments, the wire can be a separate component, and its two ends can be respectively fixed at appropriate positions on theedge 116 of the wovenfirst part 110 , and it only needs to be in a semi-circular shape. Theextension piece 119 can also have other shapes or structures, as long as theextension piece 119 expands and stretches thefilm piece 117 radially outward when thefirst part 110 is released, so that thefilm piece 117 is flat on the outer surface of thefirst part 110 It can be unfolded to avoid wrinkles on the surface of the disc and easy generation of thrombus.

在其他实施例中，还可在第二部分120的边沿127设置上述延伸件119，其结构及作用相同，在此不再赘述。In other embodiments, the above-mentionedextension 119 may also be provided on theedge 127 of thesecond portion 120 , the structure and function of which are the same, and will not be repeated here.

实施例6Example 6

实施例6的封堵装置中与实施例1相同的部分在此不再赘述，两者的区别主要在于，实施例6中的收束件包括均中空且由内而外依次套设的内套管、中间套管和外套管。相对位于第一部分110近端的收束件被称为近端收束件112，相对位于第一部分110远端的收束件被称为远端收束件123。第一部分110的多根编织丝111的近端、薄膜件117的收束区域118均至少部分地收容并固定在第一部分110的近端收束件112内。The parts of the occluding device in embodiment 6 that are the same as those in embodiment 1 will not be repeated here. The main difference between the two is that the constricting members in embodiment 6 include inner sleeves that are all hollow and are sheathed sequentially from the inside to the outside. tube, intermediate casing and outer casing. The constricting element located at the proximal end of thefirst part 110 is called the proximal constrictingelement 112 , and the constricting element located relatively at the distal end of thefirst part 110 is referred to as thedistal constricting element 123 . The proximal ends of the plurality of braidedwires 111 of thefirst part 110 and the constrictingregion 118 of thefilm part 117 are at least partially accommodated and fixed in the proximal constrictingpart 112 of thefirst part 110 .

第一部分110的多根编织丝111的近端被固定在外套管和中间套管之间后，外套管与中间套管也被固定在一起。可通过凸起与凹槽，或凸起与通孔配合等各种方式，将内套管与外套管直接或间接固定在一起，或将内套管与中间套管直接或间接固定在一起，从而构成一个结构相对稳定的近端收束件112。具体的结构以及配合方式不做限制，在此不再一一列举。After the proximal ends of the plurality of braidedwires 111 of thefirst part 110 are fixed between the outer sleeve and the middle sleeve, the outer sleeve and the middle sleeve are also fixed together. The inner sleeve and the outer sleeve can be directly or indirectly fixed together, or the inner sleeve and the middle sleeve can be directly or indirectly fixed together by means of protrusions and grooves, or protrusions and through holes. In this way, a proximal constrictingmember 112 with a relatively stable structure is formed. The specific structures and cooperation methods are not limited and will not be listed here.

第一部分110的远端收束件113可以为一个中空的套管，用于将多根编织丝111的远端收容并固定在该套管内部。在另一实施例中，第一部分110的远端收束件113也可以与第一部分110的近端收束件112的结构相同，即包括均中空且由内而外依次套设的内套管、中间套管和外套管，用于将多根编织丝111的远端收容并固定在远端收束件113的内套管和中间套管之间，或者中间套管和外套管之间。The distal constrictingmember 113 of thefirst part 110 can be a hollow sleeve, which is used to accommodate and fix the distal ends of the multiple braidedwires 111 inside the sleeve. In another embodiment, the distal constrictingmember 113 of thefirst part 110 may also have the same structure as the proximal constrictingmember 112 of thefirst part 110, that is, it includes inner sleeves that are both hollow and sheathed sequentially from the inside to the outside. , an intermediate sleeve and an outer sleeve, used for accommodating and fixing the distal ends of the multiple braidedwires 111 between the inner sleeve and the intermediate sleeve of the distal constrictingmember 113, or between the intermediate sleeve and the outer sleeve.

如图15所示，第一部分110的近端盘面114和边沿116上包覆有薄膜件117，薄膜件117可以为一层或多层。薄膜件117的收束区域118的一部分被固定在第一部分110的近端收束件112内，具体地，是被夹紧在该近端收束件112的内套管2121和中间套管2122之间从而被固定，从而保证了第一部分110的近端具有足够好的密封性，且同时通过近端收束件112将薄膜件117的收束区域118牢固地固定。薄膜件117的其他部分可通过缝线缝在第一部分110的近端盘面114上，或通过粘结剂粘结在第一部分110的近端盘面114上。薄膜件117的边缘覆盖了第一部分110的边沿116，能够减少第一部分110的边沿116部分对体内组织造成的损伤。薄膜件117的边缘可通过缝合线缝合到边沿116处的编织丝111上进行固定，或通过粘结剂粘结等方式固定在边沿116处。第一部分110上多根编织丝111的近端被固定在近端收束件112的中间套管2122和外套管2123之间，固定方式可以为由中间套管2122和外套管2123夹紧固定，或为通过焊接等方式将多根编织丝111的近端固定在中间套管2122和外套管2123之间，或是将多根编织丝111的近端焊接固定在外套管2123的远端端部，固定方式不做限制。As shown in FIG. 15 , theproximal disc surface 114 and theedge 116 of thefirst part 110 are covered with athin film 117 , and thethin film 117 may be one or more layers. A portion of the constrictingregion 118 of thefilm member 117 is fixed within the proximal constrictingmember 112 of thefirst part 110 , specifically, theinner sleeve 2121 and theintermediate sleeve 2122 of the proximal constrictingmember 112 are clamped. The gaps are thus fixed, so as to ensure that the proximal end of thefirst part 110 has a sufficiently good seal, and at the same time, the constrictingarea 118 of thefilm member 117 is firmly fixed by the proximal constrictingmember 112 . The other parts of thefilm member 117 can be sewn on theproximal disk surface 114 of thefirst part 110 by stitching, or bonded to theproximal disk surface 114 of thefirst part 110 by adhesive. The edge of thefilm member 117 covers theedge 116 of thefirst part 110 , which can reduce the damage caused by theedge 116 of thefirst part 110 to tissues in the body. The edge of thefilm member 117 can be fixed to thebraided wire 111 at theedge 116 by sewing thread, or fixed at theedge 116 by adhesive bonding or the like. The proximal ends of the multiple braidedwires 111 on thefirst part 110 are fixed between theintermediate sleeve 2122 and theouter sleeve 2123 of the proximal constrictingmember 112, and the fixing method may be clamped and fixed by theintermediate sleeve 2122 and theouter sleeve 2123, Either the proximal ends of the multiple braidedwires 111 are fixed between themiddle sleeve 2122 and theouter sleeve 2123 by means of welding, or the proximal ends of the multiple braidedwires 111 are fixed to the distal end of theouter sleeve 2123 by welding , there is no restriction on the fixing method.

薄膜件117可以为一个完整的圆形薄膜，其上未设有明显的开孔1171。薄膜件117夹设在近端收束件112的内套管2121和中间套管2122之间后，内套管2121的远端开口2124被薄膜件117的最中心的一部分所覆盖，从而封堵了内套管2121的远端开口2124，以阻止血流通过内套管2121流入第一部分110的内部，提高了封堵装置的密封性。Thefilm member 117 can be a complete circular film withoutobvious openings 1171 . After thethin film part 117 is sandwiched between theinner sleeve 2121 and themiddle sleeve 2122 of the proximal constrictingpart 112, thedistal opening 2124 of theinner sleeve 2121 is covered by the most central part of thethin film part 117, thereby blocking Thedistal opening 2124 of theinner cannula 2121 is opened to prevent blood from flowing into the interior of thefirst part 110 through theinner cannula 2121, thereby improving the sealing performance of the occlusion device.

进一步地，第一部分110的近端收束件112的内套管2121的内壁上设有螺纹1124或卡接件，可与输送钢缆的远端配合实现可拆卸连接，以达到在第一部分110的近端收束件112与输送钢缆连接时可用于输送封堵装置，以及在断开连接时彻底释放封堵装置并回收输送钢缆的目的。在其他实施例中，收束件的内套管2121的内壁上可不设有螺纹1124或卡接件。Further, on the inner wall of theinner sleeve 2121 of the proximal constrictingmember 112 of thefirst part 110, there is ascrew thread 1124 or a clip, which can cooperate with the distal end of the delivery cable to achieve a detachable connection, so as to achieve thefirst part 110 The proximal constrictingmember 112 can be used for delivery of the occlusion device when connected to the delivery cable, and for the purpose of completely releasing the occlusion device and retrieving the delivery cable when the connection is disconnected. In other embodiments, the inner wall of theinner sleeve 2121 of the constricting member may not be provided withthreads 1124 or clips.

本实施例中，第一部分110的近端盘面114的靠近近端收束件112的部分环绕外套管2123而呈近似锥形，因而该部分不与近端收束件112的中轴线垂直。在其他实施例中，第一部分110的近端盘面114的至少靠近近端收束件112的部分与该近端收束件112的中轴线垂直，从而在近端收束件112的附近形成较为平坦的盘面，以避免血栓在近端收束件112附近形成的风险，提高安全性。In this embodiment, the portion of theproximal disc surface 114 of thefirst part 110 that is close to the proximal constrictingmember 112 surrounds theouter sleeve 2123 and is approximately tapered, so this portion is not perpendicular to the central axis of the proximal constrictingmember 112 . In other embodiments, at least the portion of theproximal disc surface 114 of thefirst part 110 that is close to the proximal constrictingmember 112 is perpendicular to the central axis of the proximal constrictingmember 112 , thereby forming a comparatively tight position near the proximal constrictingmember 112 The flat disc surface avoids the risk of thrombus forming near the proximal constrictingmember 112 and improves safety.

中间套管2122的近端端部分别与内套管2121的近端端部和外套管2123的近端端部齐平，外套管2123的远端端部与内套管2121的远端端部齐平，中间套管2122的长度均小于外套管2123和内套管2121的长度，多根编织丝111的近端被收容和固定在中间套管2122和外套管2123之间，其中，固定点的具体位置和固定方式不限。The proximal end of themiddle sleeve 2122 is flush with the proximal end of theinner sleeve 2121 and the proximal end of theouter sleeve 2123, respectively, and the distal end of theouter sleeve 2123 is flush with the distal end of theinner sleeve 2121. flush, the length of themiddle sleeve 2122 is less than the length of theouter sleeve 2123 and theinner sleeve 2121, the proximal ends of the multiple braidedwires 111 are accommodated and fixed between themiddle sleeve 2122 and theouter sleeve 2123, wherein the fixed point The specific location and fixing method are not limited.

进一步地，第一部分110的近端收束件112的内套管2121的腔体内设有径向延伸或与内套管2121的中心轴具有夹角的限制件1125，限制件1125的两端分别贯穿内套管2121的管壁，以将限制件1125与内套管2121固定在一起。该限制件1125既可以用来限制输送钢缆与近端收束件112连接时伸入内套管2121内部的深度，防止输送钢缆的远端戳到位于近端收束件112的远端端面上的薄膜件117，又可以用来将薄膜件117固定在近端收束件112上，以进一步增强薄膜件117在近端收束件112内的稳固性。限制件1125的两端进一步还分别贯穿外套管2123的管壁，以将限制件1125与外套管2123固定在一起，由此也将内套管2121和外套管2123连接起来并相对固定。Further, the cavity of theinner sleeve 2121 of the proximal constrictingmember 112 of thefirst part 110 is provided with a restrictingmember 1125 extending radially or having an included angle with the central axis of theinner sleeve 2121, and the two ends of the restrictingmember 1125 are respectively The tube wall of theinner sleeve 2121 is penetrated to fix the limitingmember 1125 and theinner sleeve 2121 together. The limitingpart 1125 can be used to limit the depth of the delivery steel cable extending into theinner sleeve 2121 when it is connected to the proximal constrictingpart 112, so as to prevent the far end of the delivery cable from poking into the distal end of the proximal constrictingpart 112. Thefilm piece 117 on the end surface can be used to fix thefilm piece 117 on the proximal constrictingmember 112 to further enhance the stability of thefilm member 117 in the proximal constrictingmember 112 . Both ends of the restrictingmember 1125 further penetrate through the tube wall of theouter sleeve 2123 to fix the restrictingmember 1125 and theouter sleeve 2123 together, thereby also connecting and fixing theinner sleeve 2121 and theouter sleeve 2123 .

本实施例中，限制件1125为穿设在近端收束件112的内套管2121的管壁和外套管2123的管壁上的插销，内套管2121的管壁上开设有两个相对的通孔，外套管2123的管壁上也开设有两个相对的通孔，插销的一端自外向内依次穿过外套管2123的通孔2125、内套管2121的通孔2126、内套管2121的通孔2127和外套管2123的通孔2128，最终插销的两端分别收容并固定在外套管2123的通孔2125和通孔2128内。在其他实施例中，限制件1125还可以为其他杆状的组件，限制件1125的两端也可向外伸出外套管2123的管壁；进一步地，限制件1125的两端在伸出外套管2123的管壁后，通过形状约束从而形成对限制件1125在径向方向上移动的限制，例如，将限制件1125的两端设成球头状或其他形状的凸起，只要凸起在轴向方向的外径大于外套管2123的管壁上用于收容限制件1125的通孔的直径即可。在其他实施例中，近端收束件112内可不设有限制件1125。In this embodiment, the restrictingpiece 1125 is a pin that is installed on the tube wall of theinner tube 2121 and the tube wall of theouter tube 2123 of the proximal constrictingpart 112, and two opposing Two opposite through holes are also provided on the tube wall of theouter sleeve 2123, and one end of the pin passes through the throughhole 2125 of theouter sleeve 2123, the throughhole 2126 of theinner sleeve 2121, and the inner sleeve from the outside to the inside. The throughhole 2127 of 2121 and the throughhole 2128 of theouter sleeve 2123, and finally the two ends of the pin are respectively accommodated and fixed in the throughhole 2125 and the throughhole 2128 of theouter sleeve 2123. In other embodiments, the restrictingmember 1125 can also be other rod-shaped components, and the two ends of the restrictingmember 1125 can also protrude outward from the tube wall of theouter sleeve 2123; After the pipe wall of thepipe 2123, the restrictions on the movement of the restrictingmember 1125 in the radial direction are formed by shape constraints, for example, the two ends of the restrictingmember 1125 are set as protrusions in the shape of a ball head or other shapes, as long as the protrusions are in the The outer diameter in the axial direction should be larger than the diameter of the through hole on the tube wall of theouter tube 2123 for receiving the limitingmember 1125 . In other embodiments, the restrictingmember 1125 may not be provided in the proximal constrictingmember 112 .

在其它实施例中，限制件1125仅贯穿内套管2121的管壁，且限制件1125的两端分别收容并固定在内套管2121的通孔2126和通孔2127内。进一步地，在其中一个实施例中，如图16所示，限制件1125仅贯穿内套管2121的管壁，且限制件1125的两端分别从内套管2121的通孔2126和通孔2127内伸出，并通过热熔等方式形成球头状，从而将内套管2121卡接在两个球头之间，同时由于限制件1125的两端分别穿过薄膜件117，从而也将薄膜件117的靠近限制件1125的部分进行相对固定。In other embodiments, the restrictingmember 1125 only penetrates the tube wall of theinner sleeve 2121 , and the two ends of the restrictingmember 1125 are respectively received and fixed in the throughhole 2126 and the throughhole 2127 of theinner sleeve 2121 . Further, in one of the embodiments, as shown in FIG. 16 , the restrictingmember 1125 only penetrates the tube wall of theinner sleeve 2121 , and the two ends of the restrictingmember 1125 are separated from the throughhole 2126 and the throughhole 2127 of theinner sleeve 2121 respectively. protrude from the inside, and form a ball head shape by hot melting, etc., so that theinner sleeve 2121 is clamped between the two ball heads. The portion of themember 117 close to the restrictingmember 1125 is relatively fixed.

在其他实施例中，近端收束件112的近端设有与内套管2121连接的端盖1126，薄膜件117的收束区域118至少部分地收容或固定在端盖1126与外套管2123之间，从而进一步将薄膜件117稳固地固定在近端收束件112内。作为其中一种实现方式，如图16所示，外套管2123的长度与中间套管2122的长度一致，内套管2121的长度大于外套管2123的长度，也大于中间套管2122的长度。第一部分110上多根编织丝111的近端从端盖1126和外套管2123之间的空隙伸入到中间套管2122和外套管2123之间的空隙中，直至伸入到中间套管2122的远端端部后，通过焊接等方式固定在中间套管2122的远端端部和外套管2123的远端端部。在其他实施例中，端盖1126可进一步将薄膜件117抵压在外套管2123和/或中间套管2122上。在其他实施例中，近端收束件112的远端也可设有与外套管2123或内套管2121连接的端盖1126，以进一步将薄膜件117稳固地固定在近端收束件112内，还可封堵近端收束件112远端的开口，提高密封性。In other embodiments, the proximal end of the proximal constrictingmember 112 is provided with anend cap 1126 connected to theinner sleeve 2121, and the constrictingarea 118 of thefilm member 117 is at least partially accommodated or fixed between theend cap 1126 and theouter sleeve 2123. Thereby, thefilm member 117 is further firmly fixed in the proximal constrictingmember 112 . As one of the implementations, as shown in FIG. 16 , the length of theouter sleeve 2123 is consistent with the length of themiddle sleeve 2122 , and the length of theinner sleeve 2121 is greater than the length of theouter sleeve 2123 and also greater than the length of themiddle sleeve 2122 . The proximal ends of the plurality of braidedwires 111 on thefirst part 110 extend from the gap between theend cap 1126 and theouter sleeve 2123 into the gap between themiddle sleeve 2122 and theouter sleeve 2123, until they extend into the gap between themiddle sleeve 2122 After the distal end, it is fixed on the distal end of themiddle sleeve 2122 and the distal end of theouter sleeve 2123 by means of welding or the like. In other embodiments, theend cap 1126 can further press thefilm member 117 against theouter sleeve 2123 and/or themiddle sleeve 2122 . In other embodiments, the distal end of the proximal constrictingmember 112 may also be provided with anend cap 1126 connected to theouter sleeve 2123 or theinner sleeve 2121, so as to further securely fix thefilm member 117 on the proximal constrictingmember 112. Inside, the opening at the distal end of the proximal constrictingmember 112 can also be blocked to improve the sealing performance.

在其他实施例中，薄膜件117的收束区域118设有如图11所示的开孔1171，且薄膜件117的围合形成该开孔1171的部分收容并固定在近端收束件112内。具体地，如图17所示，薄膜件117的围合形成该开孔1171的部分从端盖1126和外套管2123之间的空隙伸入，并被固定到外套管2123、中间套管2122和端盖1126之间。在其他实施例中，薄膜件117的围合形成该开孔1171的部分可进一步伸入到内套管2121和中间套管2122之间或是中间套管2122和外套管2123之间，并呈环形或管状而被夹紧或卡接在相邻两个套管之间，只要不影响多根编织丝111的近端固定在近端收束件112内即可。这种薄膜件117可用在需要近端收束件112的远端开口2124不被封闭的情况下。在其他实施例中，近端收束件112内可不设有限制件1125或端盖1126，内套管2121内也可不设有螺纹1124或卡接件。In other embodiments, the convergingarea 118 of thethin film member 117 is provided with anopening 1171 as shown in FIG. . Specifically, as shown in FIG. 17 , the part of thefilm member 117 that surrounds theopening 1171 extends from the gap between theend cap 1126 and theouter sleeve 2123 , and is fixed to theouter sleeve 2123 , themiddle sleeve 2122 and theouter sleeve 2122 . betweenend caps 1126 . In other embodiments, the part of thethin film 117 that forms theopening 1171 can further extend into the space between theinner sleeve 2121 and themiddle sleeve 2122 or between themiddle sleeve 2122 and theouter sleeve 2123, and is annular. Or tubular and clamped or clamped between two adjacent sleeves, as long as the proximal ends of the multiple braidedwires 111 are not affected and fixed in the proximal constrictingmember 112 .Such membrane member 117 may be used in situations where it is desired that thedistal opening 2124 of theproximal constriction member 112 not be closed. In other embodiments, the proximal constrictingmember 112 may not be provided with the restrictingmember 1125 or theend cap 1126 , and theinner sleeve 2121 may not be provided with thethread 1124 or the clamping member.

如图18所示，外套管2123的近端端部和中间套管2122的近端端部围合形成近端收束件112的外侧近端入口221，中间套管2122的近端端部和内套管2121的近端端部围合形成近端收束件112的内侧近端入口222，外套管2123的远端端部和中间套管2122的远端端部围合形成近端收束件112的外侧远端入口223，中间套管2122的远端端部和内套管2121的远端端部围合形成近端收束件112的内侧远端入口224。如图15至图17所示，第一部分110的多根编织丝111的近端收容或固定在外套管2123和中间套管2122之间。在其他实施例中，第一部分110的多根编织丝111的近端收容或固定在中间套管2122和内套管2121之间。具体地，第一部分110的多根编织丝111的近端在通过近端收束件112的外侧近端入口221、外侧远端入口223、内侧远端入口224中的其中一个后，收容或固定在近端收束件112内。As shown in FIG. 18 , the proximal end of theouter sleeve 2123 and the proximal end of themiddle sleeve 2122 enclose the outerproximal inlet 221 of the proximal constrictingmember 112, and the proximal end of themiddle sleeve 2122 and The proximal end of theinner sleeve 2121 encloses the innerproximal inlet 222 of theproximal constriction member 112, and the distal end of theouter sleeve 2123 and the distal end of themiddle sleeve 2122 enclose the proximal constriction. The outerdistal inlet 223 of themember 112 , the distal end of themiddle sleeve 2122 and the distal end of theinner sleeve 2121 enclose the innerdistal inlet 224 of the proximal constrictingmember 112 . As shown in FIGS. 15-17 , the proximal ends of the plurality of braidedwires 111 of thefirst portion 110 are received or fixed between theouter sleeve 2123 and themiddle sleeve 2122 . In other embodiments, the proximal ends of the plurality of braidedwires 111 of thefirst portion 110 are received or fixed between themiddle sleeve 2122 and theinner sleeve 2121 . Specifically, the proximal ends of the plurality of braidedwires 111 of thefirst part 110 are accommodated or fixed after passing through one of the outerproximal entrance 221, the outerdistal entrance 223, and the innerdistal entrance 224 of the proximal constrictingmember 112. Inside theproximal constriction piece 112 .

作为其中一些实施例，当第一部分110的多根编织丝111的近端是通过近端收束件112的外侧近端入口221被接收和固定时，薄膜件117的收束区域118经由近端收束件112的内侧近端入口222而至少部分地固定在内套管2121和中间套管2122之间，或是至少部分地固定在外套管2123、中间套管2122和端盖1126之间。当第一部分110的多根编织丝111的近端是通过近端收束件112的外侧远端入口223被接收和固定时，薄膜件117的收束区域118经由近端收束件112的外侧近端入口221或内侧近端入口222而至少部分地收容或固定在相邻两个套管之间，或是至少部分地固定在外套管2123、中间套管2122和端盖1126之间。当第一部分110的多根编织丝111的近端是通过近端收束件112的内侧远端入口224被接收和固定时，薄膜件117的收束区域118经由近端收束件112的外侧近端入口221、内侧近端入口222、外侧远端入口223中的任意一个而至少部分地收容或固定在内套管2121和外套管2123之间，或是至少部分地固定在外套管2123、中间套管2122和端盖1126之间。As some examples, when the proximal ends of the plurality of braidedwires 111 of thefirst part 110 are received and fixed through the outerproximal inlet 221 of the proximal constrictingmember 112, the constrictingregion 118 of thefilm member 117 passes through the proximal end The innerproximal inlet 222 of thebundle member 112 is fixed at least partially between theinner sleeve 2121 and themiddle sleeve 2122 , or is at least partially fixed between theouter sleeve 2123 , themiddle sleeve 2122 and theend cap 1126 . When the proximal ends of the plurality of braidedwires 111 of thefirst part 110 are received and fixed through the outerdistal inlet 223 of the proximal constrictingmember 112 , the constrictingregion 118 of thefilm member 117 passes through the outer side of the proximal constrictingmember 112 Theproximal inlet 221 or the innerproximal inlet 222 is at least partially accommodated or fixed between two adjacent sleeves, or at least partially fixed between theouter sleeve 2123 , themiddle sleeve 2122 and theend cap 1126 . When the proximal ends of the plurality of braidedfilaments 111 of thefirst part 110 are received and fixed through the innerdistal inlet 224 of the proximal constrictingmember 112 , the constrictingregion 118 of thefilm member 117 passes through the outer side of the proximal constrictingmember 112 Any one of theproximal inlet 221, the innerproximal inlet 222, and the outerdistal inlet 223 is at least partially accommodated or fixed between theinner sleeve 2121 and theouter sleeve 2123, or is at least partially fixed in theouter sleeve 2123, Between themiddle sleeve 2122 and theend cap 1126 .

在其他实施例中，第一部分110的内部还设有至少一层阻流膜，用于阻止血液从第一部分110的近端盘面114流入第一部分110的内部，从而进一步提高第一部分110的封堵性能。In other embodiments, the inside of thefirst part 110 is further provided with at least one layer of blocking film, which is used to prevent blood from flowing into the inside of thefirst part 110 from theproximal disc surface 114 of thefirst part 110, thereby further improving the blocking of thefirst part 110. performance.

实施例7Example 7

实施例7的封堵装置中与实施例6相同的部分在此不再赘述，两者的区别主要在于，实施例6所描述的第一部分110的近端收束件112或远端收束件113，同样可用于第二部分120的近端收束件122或远端收束件123。The parts of the occlusion device in Embodiment 7 that are the same as in Embodiment 6 will not be repeated here. The difference between the two mainly lies in that the proximal constrictingmember 112 or the distal constricting member of thefirst part 110 described in Embodiment 6 113 , which can also be used for theproximal constriction part 122 or thedistal constriction part 123 of thesecond part 120 .

具体地，第二部分120的薄膜件124至少覆盖第二部分120的近端盘面126的部分外表面，且薄膜件124的收束区域125至少部分地固定在第二部分120的近端收束件122内。在其他实施例中，第二部分120上的薄膜件124还可进一步覆盖第二部分120的边沿127，也即第二部分120的近端盘面126和远端盘面128之间的侧面部分。进一步地，在其他实施例中，第二部分120上的薄膜件124还可以覆盖第二部分120的远端盘面128，也即薄膜件124覆盖了第二部分120的近端盘面126、边沿127和远端盘面128。在此基础上，实施例6中第一部分110上设置的近端收束件112的上述多种具体结构，以及收容和固定多根编织丝111的近端、薄膜件117的收束区域118的多种具体方式，同样适用于第二部分120上的近端收束件122，在此不再赘述。Specifically, thethin film member 124 of thesecond part 120 covers at least part of the outer surface of theproximal disc surface 126 of thesecond part 120, and the convergingregion 125 of thethin film member 124 is at least partially fixed at the constricting proximal end of thesecond part 120. within 122 pieces. In other embodiments, thethin film 124 on thesecond part 120 can further cover theedge 127 of thesecond part 120 , that is, the side part between theproximal disk surface 126 and thedistal disk surface 128 of thesecond part 120 . Further, in other embodiments, thefilm member 124 on thesecond part 120 can also cover thedistal disk surface 128 of thesecond part 120, that is, thefilm member 124 covers theproximal disk surface 126 and theedge 127 of thesecond part 120. and thedistal disk surface 128. On this basis, the above-mentioned various specific structures of the proximalend constricting member 112 provided on thefirst part 110 in Embodiment 6, as well as the proximal ends of the plurality of braidedwires 111 and the constrictingarea 118 of thefilm member 117 are accommodated and fixed. A variety of specific ways are also applicable to the proximal constrictingmember 122 on thesecond part 120 , which will not be repeated here.

实施例8Example 8

实施例8的封堵装置中与实施例6相同的部分在此不再赘述，两者的区别主要在于，实施例6所描述的近端收束件112可设置在第一部分110的远端而作为远端收束件113，两者的结构、与薄膜件117的配合方式、在收束件内的固定方式等特征均相同或近似。The parts of the occlusion device in Embodiment 8 that are the same as those in Embodiment 6 will not be repeated here. The main difference between the two is that the proximal constrictingmember 112 described in Embodiment 6 can be set at the distal end of thefirst part 110 and As the distal convergingpart 113, the structure, the way of cooperating with thethin film part 117, the fixing method in the converging part and other features of both are the same or similar.

具体地，第一部分110的薄膜件117至少覆盖第一部分110的远端盘面115的部分外表面，且薄膜件117的收束区域118至少部分地固定在第一部分110的远端收束件113内。在其他实施例中，第一部分110上的薄膜件117还可进一步覆盖第一部分110的边沿116。进一步地，第一部分110上的薄膜件117还可以覆盖第一部分110的近端盘面114，也即薄膜件117覆盖了第一部分110的远端盘面115、边沿116和近端盘面114。Specifically, thefilm member 117 of thefirst part 110 covers at least part of the outer surface of thedistal disk surface 115 of thefirst part 110, and the constrictingarea 118 of thefilm member 117 is at least partially fixed in the distal constrictingpart 113 of thefirst part 110 . In other embodiments, thethin film 117 on thefirst part 110 can further cover theedge 116 of thefirst part 110 . Further, thefilm piece 117 on thefirst part 110 can also cover theproximal disk surface 114 of thefirst part 110 , that is, thefilm piece 117 covers thedistal disk surface 115 , theedge 116 and theproximal disk surface 114 of thefirst part 110 .

如图18所示，第一部分110的远端收束件113包括均中空且由内而外依次套设的内套管2121、中间套管2122和外套管2123。外套管2123的近端端部和中间套管2122的近端端部围合形成远端收束件113的外侧近端入口221，中间套管2122的近端端部和内套管2121的近端端部围合形成远端收束件113的内侧近端入口222，外套管2123的远端端部和中间套管2122的远端端部围合形成远端收束件113的外侧远端入口223，中间套管2122的远端端部和内套管2121的远端端部围合形成远端收束件113的内侧远端入口224。第一部分110的多根编织丝111的远端在通过远端收束件113的外侧近端入口221、内侧近端入口222、外侧远端入口223中的其中一个后，收容或固定在远端收束件113内。As shown in FIG. 18 , the distal constrictingmember 113 of thefirst part 110 includes aninner sleeve 2121 , anintermediate sleeve 2122 , and anouter sleeve 2123 that are all hollow and sleeved in sequence from inside to outside. The proximal end of theouter sleeve 2123 and the proximal end of themiddle sleeve 2122 enclose the outerproximal inlet 221 of thedistal constriction member 113, the proximal end of themiddle sleeve 2122 and the proximal end of theinner sleeve 2121. The ends are enclosed to form the innerproximal inlet 222 of the distal constrictingmember 113, and the distal end of theouter sleeve 2123 and the distal end of themiddle sleeve 2122 are enclosed to form the outer distal end of the distal constrictingmember 113 Theinlet 223 , the distal end of themiddle sleeve 2122 and the distal end of theinner sleeve 2121 enclose the innerdistal inlet 224 of the distal constrictingmember 113 . The distal ends of the multiple braidedwires 111 of thefirst part 110 are accommodated or fixed at the distal end after passing through one of the outerproximal entrance 221 , the innerproximal entrance 222 , and the outerdistal entrance 223 of the distal constrictingmember 113 . Inside thebundle piece 113.

在其中一些实施例中，当第一部分110的多根编织丝111的远端是通过远端收束件113的外侧近端入口221被接收和固定时，薄膜件117的收束区域118经由远端收束件113的外侧远端入口223或内侧远端入口224而至少部分地收容或固定在相邻两个套管之间。当第一部分110的多根编织丝111的远端是通过远端收束件113的内侧近端入口222被接收和固定时，薄膜件117的收束区域118经由远端收束件113的外侧近端入口221、外侧远端入口223、内侧远端入口224中的任意一个而至少部分地收容或固定在相邻两个套管之间。当第一部分110的多根编织丝111的远端是通过远端收束件113的外侧远端入口223被接收和固定时，薄膜件117的收束区域118经由远端收束件113的内侧远端入口224而至少部分地收容或固定在内套管2121和中间套管2122之间。In some of these embodiments, when the distal ends of the plurality of braidedfilaments 111 of thefirst portion 110 are received and secured through the outerproximal inlet 221 of the distal constrictingmember 113, the constrictingregion 118 of thefilm member 117 passes through the distal The outerdistal inlet 223 or the innerdistal inlet 224 of the end-constrictingmember 113 is at least partially accommodated or fixed between two adjacent sleeves. When the distal ends of the plurality of braidedwires 111 of thefirst part 110 are received and fixed through the innerproximal inlet 222 of the distal constrictingmember 113 , the constrictingregion 118 of thefilm member 117 passes through the outer side of the distal constrictingmember 113 Any one of theproximal inlet 221 , the outerdistal inlet 223 , and the innerdistal inlet 224 is at least partially accommodated or fixed between two adjacent casings. When the distal ends of the plurality of braidedfilaments 111 of thefirst part 110 are received and fixed through the outerdistal inlet 223 of the distal constrictingmember 113 , the constrictingregion 118 of thefilm member 117 passes through the inner side of the distal constrictingmember 113 Thedistal inlet 224 is at least partially received or fixed between theinner sleeve 2121 and themiddle sleeve 2122 .

实施例9Example 9

实施例9的封堵装置中与实施例8相同的部分在此不再赘述，两者的区别主要在于，实施例8所描述的第一部分110的远端收束件113同样可用于第二部分120的远端收束件123。The parts of the occlusion device in Embodiment 9 that are the same as those in Embodiment 8 will not be repeated here. The main difference between the two is that the distal constrictingmember 113 of thefirst part 110 described in Embodiment 8 can also be used in the second part. 120 of the distal convergingmember 123.

具体地，第二部分120的薄膜件124至少覆盖第二部分120的远端盘面128的部分外表面，且薄膜件124的收束区域125至少部分地固定在第二部分120的远端收束件123内。在其他实施例中，第二部分120上的薄膜件124还可进一步覆盖第二部分120的边沿127，也即第二部分120的近端盘面126和远端盘面128之间的侧面部分。进一步地，在其他实施例中，第二部分120上的薄膜件124还可以覆盖第二部分120的近端盘面126，也即薄膜件124覆盖了第二部分120的远端盘面128、边沿127和近端盘面126。在此基础上，实施例8中第一部分110上设置的远端收束件113的上述多种具体结构，以及收容和固定多根编织丝111的远端、薄膜件117的收束区域118的多种具体方式，同样适用于第二部分120上的远端收束件123，在此不再赘述。Specifically, thefilm member 124 of thesecond part 120 covers at least part of the outer surface of thedistal disc surface 128 of thesecond part 120, and the convergingregion 125 of thefilm member 124 is at least partially fixed at the constricting distal end of thesecond part 120.Part 123. In other embodiments, thethin film 124 on thesecond part 120 can further cover theedge 127 of thesecond part 120 , that is, the side part between theproximal disk surface 126 and thedistal disk surface 128 of thesecond part 120 . Further, in other embodiments, thefilm member 124 on thesecond part 120 can also cover theproximal disk surface 126 of thesecond part 120, that is, thefilm member 124 covers thedistal disk surface 128 and theedge 127 of thesecond part 120. and theproximal disk surface 126. On this basis, the above-mentioned various specific structures of the distal constrictingmember 113 provided on thefirst part 110 in Embodiment 8, as well as the distal ends of the multiple braidedwires 111 and the constrictingregion 118 of thefilm member 117 are accommodated and fixed. A variety of specific ways are also applicable to the distal constrictingmember 123 on thesecond part 120 , which will not be repeated here.

需要说明的是，在其他实施例中，实施例5中描述的设置在第一部分110边沿116或第二部分120的边沿127上的延伸件119的相关技术特征，同样适用于实施例6至实施例9，在此不再赘述。It should be noted that, in other embodiments, the relevant technical features of theextension piece 119 disposed on theedge 116 of thefirst part 110 or theedge 127 of thesecond part 120 described in Embodiment 5 are also applicable to Embodiment 6 to the implementation Example 9 will not be repeated here.

实施例10Example 10

实施例10的封堵装置300，如图19所示，包括第一部分310和与第一部分310连接的第二部分320。第一部分310包括多根编织丝111和相对位于近端的收束件(也即近端收束件112)，多根编织丝111的近端收容并固定在近端收束件112内，从而多根编织丝111的近端固定于近端收束件112。第一部分310还可包括相对位于远端的收束件(也即远端收束件113)，多根编织丝111的远端收容并固定在远端收束件113内，从而多根编织丝111的远端固定于远端收束件113。Theblocking device 300 of the tenth embodiment, as shown in FIG. 19 , includes afirst part 310 and asecond part 320 connected to thefirst part 310 . Thefirst part 310 includes a plurality of braidedwires 111 and a constricting member (that is, a proximal constricting member 112) relatively located at the proximal end, and the proximal ends of the plurality of braidedfilaments 111 are accommodated and fixed in the proximal constrictingmember 112, thereby The proximal ends of the multiple braidedwires 111 are fixed to the proximal constrictingmember 112 . Thefirst part 310 can also include a constricting member relatively located at the distal end (that is, a distal constricting member 113). The distal end of 111 is fixed to the distal convergingmember 113 .

第一部分310的多根编织丝111可被编织形成网管状，并在热定型后呈现盘状或柱状等形状。第一部分310在展开状态下包括一个近端盘面114和一个远端盘面115。第一部分310的近端盘面114由第一部分310的多根编织丝111的相对位于近端的至少一部分配合形成。第一部分310的远端盘面115由第一部分310的多根编织丝111的相对位于远端的至少一部分配合形成。第一部分310的近端盘面114和远端盘面115连接的部分，形成第一部分310的边沿116。The plurality of braidedfilaments 111 of thefirst part 310 can be braided to form a mesh tube, and after heat setting, the braidedfilaments 111 will be in the shape of a disc or a column. Thefirst part 310 comprises aproximal disc surface 114 and adistal disc surface 115 in the expanded state. Theproximal disc surface 114 of thefirst part 310 is formed by cooperation of at least a portion of the plurality of braidedwires 111 of thefirst part 310 located relatively proximally. Thedistal disk surface 115 of thefirst part 310 is formed by cooperation of at least a portion of the plurality of braidedwires 111 of thefirst part 310 located relatively distally. The part where theproximal disk surface 114 and thedistal disk surface 115 of thefirst part 310 connect forms theedge 116 of thefirst part 310 .

第一部分310的近端收束件112可以为一个中空的套管，也可以为上述任一实施例所描述的由内套管1121和外套管1122构成的双套管，还可以为由内套管2121、中间套管2122和外套管2123构成的三层套管，其结构及收束编织丝111的方式等技术特征相同或类似，在此不再赘述。第一部分310的远端收束件113的结构不限，可以为前述的一个中空的套管、双套管、三层套管中的任意一种。The proximal constrictingpart 112 of thefirst part 310 can be a hollow sleeve, or can be a double sleeve composed of aninner sleeve 1121 and anouter sleeve 1122 as described in any of the above-mentioned embodiments, or can be a sleeve made of an inner sleeve. The three-layer sleeve composed of thetube 2121 , theintermediate sleeve 2122 and theouter sleeve 2123 has the same or similar technical features such as the structure and the way to bundle thebraided wire 111 , and will not be repeated here. The structure of the distal constrictingmember 113 of thefirst part 310 is not limited, and may be any one of the aforementioned one hollow sleeve, double sleeves, and triple sleeves.

本实施例中，第一部分310的远端收束件113直接与第二部分320的近端连接，而无需在第一部分310和第二部分320之间设置连接件；第二部分320包括多个支撑杆321，且支撑杆321的近端均固定在第一部分310的远端收束件113上；支撑杆321上设有锚刺322，用于刺入体内组织后增强第二部分320的锚定稳固性。在其他实施例中，第一部分310的远端收束件113可设置在第二部分320的近端收束件内并固定连接，从而将第一部分310和第二部分320连接起来。第二部分320的具体结构不限，在其他实施例中也可为实施例1中所描述的第二部分120。In this embodiment, the distal constrictingpart 113 of thefirst part 310 is directly connected to the proximal end of thesecond part 320 without connecting parts between thefirst part 310 and thesecond part 320; thesecond part 320 includes a plurality of Thesupport rod 321, and the proximal end of thesupport rod 321 is fixed on the distal constrictingpart 113 of thefirst part 310; thesupport rod 321 is provided with ananchor thorn 322, which is used to strengthen the anchor of thesecond part 320 after penetrating into the tissue in the body fixed stability. In other embodiments, thedistal constriction part 113 of thefirst part 310 may be disposed within the proximal constriction part of thesecond part 320 and fixedly connected, thereby connecting thefirst part 310 and thesecond part 320 . The specific structure of thesecond part 320 is not limited, and in other embodiments, it can also be thesecond part 120 described in the first embodiment.

第一部分310的收束区域318是指沿着第一部分310的径向方向、靠近第一部分310的中轴线的部分，覆盖的区域可以为以第一部分310的中轴线为中心且半径为第一部分310半径的1/4至1/2范围内的区域。第一部分310的收束区域318包括多根编织丝111的一部分通过形状收敛形成的聚拢部。在本实施例的其中一种实现方式中，该聚拢部包括第一聚拢部311和第二聚拢部312，且聚拢部的一部分外表面组成近端盘面114的一部分。第一聚拢部311和第二聚拢部312在无外力作用时相互靠近，以将第一部分310的近端收束件112包围在第一部分310内的由第一聚拢部311和第二聚拢部312围合的空间内。从而避免了第一部分310的近端收束件112较近端盘面114更靠近近端，也即近端收束件112朝向近端凸出于近端盘面114，所存在的容易在近端收束件112处形成血栓的风险。The convergingarea 318 of thefirst part 310 refers to the part along the radial direction of thefirst part 310 and close to the central axis of thefirst part 310, and the covered area can be centered on the central axis of thefirst part 310 and has a radius of thefirst part 310 The area within the range of 1/4 to 1/2 of the radius. Theconvergent region 318 of thefirst portion 310 includes a gather formed by a portion of the plurality of braidedfilaments 111 through shape convergence. In one implementation manner of this embodiment, the gathered portion includes a first gatheredportion 311 and a second gatheredportion 312 , and a part of the outer surface of the gathered portion constitutes a part of theproximal disc surface 114 . Thefirst gathering part 311 and thesecond gathering part 312 are close to each other when there is no external force, so as to surround theproximal gathering part 112 of thefirst part 310 by thefirst gathering part 311 and thesecond gathering part 312 in thefirst part 310 within the enclosed space. Therefore, it is avoided that the proximal constrictingmember 112 of thefirst part 310 is closer to the proximal end than theproximal disk surface 114, that is, the proximal constrictingmember 112 protrudes from theproximal disk surface 114 toward the proximal end, and the existence of the problem that it is easy to close at the proximal end The risk of thrombus formation at thebeam 112.

作为其中一种实施方式，当封堵装置300连接输送钢缆的远端，并一起收容在鞘管内，进而被植入到左心耳等体内组织的腔体内后，朝近端回撤鞘管以使封堵装置300在解除鞘管给予的径向束缚后自膨胀展开，从而得到释放。第一部分310在释放后，作为其中一种实施方式，其远端盘面115的边缘部分贴靠在左心耳的开口处的组织上，从而封堵左心耳的开口。结合图19和图20A所示，在鞘管(图未示出)回撤后，当输送钢缆400还未与封堵装置300解除连接时，输送钢缆400的远端仍与第一部分310的近端收束件112连接，连接方式可以为螺纹连接，在此不做限制。此时，第一聚拢部311和第二聚拢部312在输送钢缆400的远端部分所提供的外力作用下相互远离。具体地，第一聚拢部311和第二聚拢部312的以输送钢缆400的远端部分为中心而相对的部分，抵接在输送钢缆400的远端部分上，其从近端朝远端看去时的截面示图请参考图20B。As one of the implementations, when theocclusion device 300 is connected to the distal end of the delivery cable and stored together in the sheath, and then implanted into the cavity of the left atrial appendage and other internal tissues, the sheath is withdrawn toward the proximal end to Theocclusion device 300 is released by self-expanding after releasing the radial constraint imposed by the sheath. After thefirst part 310 is released, as one embodiment, the edge portion of thedistal disc surface 115 abuts against the tissue at the opening of the left atrial appendage, thereby blocking the opening of the left atrial appendage. As shown in FIG. 19 and FIG. 20A , after the sheath tube (not shown) is withdrawn, when thedelivery cable 400 has not been disconnected from theocclusion device 300, the distal end of thedelivery cable 400 is still connected to thefirst part 310. The proximal constrictingmember 112 is connected, and the connection method may be screw connection, which is not limited here. At this time, thefirst gathering part 311 and thesecond gathering part 312 are separated from each other by the external force provided by the distal end part of thedelivery cable 400 . Specifically, the opposite parts of thefirst gathering part 311 and thesecond gathering part 312 centered on the distal end part of thedelivery cable 400 abut against the far end part of thedelivery cable 400, which moves from the proximal end to the far end. Please refer to FIG. 20B for a cross-sectional view when viewed from the side.

结合图19和图21A所示，当输送钢缆400的远端与第一部分310的近端收束件112解除连接后，第一聚拢部311和第二聚拢部312由于失去了输送钢缆400的远端部分的外力作用而相互靠近，其从近端朝远端看去时的截面示图请参考图21B。第一聚拢部311和第二聚拢部312相互靠近后的近端盘面114是近似封闭的，从而将第一部分310的近端收束件112包围在第一部分310内的由第一聚拢部311和第二聚拢部312围合的空间内，具体地，是包围在第一部分310的近端盘面114和远端盘面115之间。此时的近端盘面114是平坦且封闭的，因而封堵装置300完全释放后，在血流的不断冲刷下，不容易在第一部分310的近端盘面114处形成血栓，提高了手术的安全性。As shown in FIG. 19 and FIG. 21A , when the distal end of thedelivery cable 400 is disconnected from the proximal constrictingpart 112 of thefirst part 310 , thefirst gathering part 311 and thesecond gathering part 312 lose thedelivery cable 400 The external force of the distal part of the two parts approaches each other, and the cross-sectional view when viewed from the proximal end to the distal end, please refer to FIG. 21B. Theproximal disk surface 114 after thefirst gathering part 311 and thesecond gathering part 312 are close to each other is approximately closed, so that the proximal-end constricting member 112 of thefirst part 310 is surrounded by thefirst gathering part 311 and thefirst gathering part 310 in thefirst part 310. The space enclosed by thesecond gathering portion 312 is, specifically, enclosed between theproximal disk surface 114 and thedistal disk surface 115 of thefirst part 310 . At this time, theproximal disk surface 114 is flat and closed, so after theocclusion device 300 is completely released, it is not easy to form thrombus at theproximal disk surface 114 of thefirst part 310 under the continuous washing of the blood flow, which improves the safety of the operation sex.

需要说明的是，请参考图21B，第一聚拢部311和第二聚拢部312相互靠近后可能会有小的间隙(图21B最中心的小孔处)存在，该间隙的最大外径小于或等于5毫米，优选地小于或等于3毫米。实际设计时，该间隙的尺寸一般会小于多根编织丝111形成的编织网的网孔的尺寸或者小于上述内套管的内径，因而即使第一聚拢部311和第二聚拢部312相互靠近后仍有间隙存在，也往往不会诱发血栓的形成，也可视为由第一聚拢部311和第二聚拢部312各自的一部分外表面配合形成的近端盘面114依然是封闭的。It should be noted that, please refer to FIG. 21B, after thefirst gathering part 311 and thesecond gathering part 312 are close to each other, there may be a small gap (at the centermost small hole in FIG. 21B), and the maximum outer diameter of the gap is less than or Equal to 5 mm, preferably less than or equal to 3 mm. In actual design, the size of the gap is generally smaller than the mesh size of the braided net formed by the plurality of braidedwires 111 or smaller than the inner diameter of the above-mentioned inner sleeve, so even if thefirst gathering part 311 and thesecond gathering part 312 are close to each other, There are still gaps, and the formation of thrombus is often not induced. It can also be considered that theproximal disk surface 114 formed by the cooperation of a part of the outer surfaces of thefirst gathering part 311 and thesecond gathering part 312 is still closed.

在另一实施例中，如果第一聚拢部311和第二聚拢部312相互靠近后仍有间隙存在，则可在该间隙处设置封闭件，以使由第一聚拢部311和第二聚拢部312配合形成的近端盘面114是封闭的。其中，封闭件可以为栓塞剂等胶状物，特点是凝固后形状相对稳定且不易被液体渗透；可在输送钢缆400与第一部分310解除连接后，将栓塞剂注入到第一聚拢部311和第二聚拢部312围合的空间内，从而将该空间填充，进而保证近端盘面114是封闭的。封闭件还可以为与第一部分310连接的可压缩和可自膨胀展开的封盖，因而可以在封盖展开后覆盖该间隙，同样能够保证近端盘面114是封闭的。封闭件还可以为其他结构的组件，结构不做限制，只要能够使近端盘面114是封闭的即可，此处不再一一列举出来。此外，血流经过该间隙进入聚拢部围合的空间内后容易血栓化，且形成的血栓不容易从该间隙向外溢出，会稳定地存在于该空间内，从而将该空间填塞满，使得盘面呈封闭状。In another embodiment, if there is still a gap after thefirst gathering part 311 and thesecond gathering part 312 are close to each other, a closure can be provided at the gap, so that thefirst gathering part 311 and thesecond gathering part 312 to form theproximal disk surface 114 is closed. Wherein, the closure member can be a jelly like embolic agent, which is characterized in that its shape is relatively stable after solidification and is not easily penetrated by liquid; after thedelivery steel cable 400 is disconnected from thefirst part 310, the embolic agent can be injected into thefirst gathering part 311 and the space enclosed by the second convergingportion 312, so as to fill the space, thereby ensuring that theproximal disk surface 114 is closed. The closure member can also be a compressible and self-expandable cover connected to thefirst part 310, so that the gap can be covered after the cover is deployed, and theproximal disk 114 can also be closed. The closure member can also be a component of other structures, and the structure is not limited, as long as theproximal disc surface 114 can be closed, and will not be listed here. In addition, after the blood flow enters the space enclosed by the gathering part through the gap, it is easy to thrombusize, and the formed thrombus is not easy to overflow from the gap, and will stably exist in the space, thereby filling the space, making The disk surface is closed.

在其他实施例中，聚拢部的具体形状、个数以及在第一部分310上的具体设置位置均不做限制，只要聚拢部能够在自然状态下或在解除外力作用后，将近端收束件112或远端收束件113包围在第一部分310的内侧，从而避免近端收束件112或远端收束件113凸出于第一部分310的外部而易于诱发形成血栓的风险。此外，由于包围近端收束件112或远端收束件113的聚拢部配合形成平坦且封闭的盘面，因而能够彻底避免第一部分310的外侧容易诱发形成血栓的风险。可以理解，第一部分310上设置的聚拢部的相关特征，也可以挪用到第二部分320上。In other embodiments, there is no limitation on the specific shape, number of gathering parts and the specific setting position on thefirst part 310, as long as the gathering part can close the proximal-end constricting part in a natural state or after the external force is released. 112 or thedistal constricting element 113 encloses the inner side of thefirst part 310, so as to prevent the proximal constrictingelement 112 or thedistal constricting element 113 from protruding outside thefirst part 310 and easily inducing the risk of thrombus formation. In addition, since the gathering portion surrounding the proximal constrictingmember 112 or the distal constrictingmember 113 cooperates to form a flat and closed disk surface, the risk of the outer side of thefirst part 310 easily inducing thrombus formation can be completely avoided. It can be understood that the relevant features of the gathering part provided on thefirst part 310 can also be transferred to thesecond part 320 .

封堵装置300还包括设置在第一部分310上的一层或多层薄膜件117。如图19所示，薄膜件117覆盖第一部分310的近端盘面114和边沿116，因而薄膜件117也覆盖第一聚拢部311的外表面和第二聚拢部312的外表面。薄膜件117的收束区域至少部分地收容或固定在第一部分310的近端收束件112内。需要说明的是，本实施例中与薄膜件117相关的技术特征与实施例1中薄膜件117的相关技术特征相同或近似，在此不再赘述。第一部分310上设置的薄膜件117可进一步提高其密封性，实现多层封堵。在其他实施例中，第一部分310上可不设有薄膜件117，只要第一聚拢部311和第二聚拢部312相互配合能够形成平坦的近端盘面114，即可避免在近端盘面114处形成血栓。在其他实施例中，薄膜件117覆盖第一聚拢部311的部分外表面，或覆盖第二聚拢部312的部分外表面，或覆盖第一聚拢部311和第二聚拢部312各自的部分外表面。Theocclusion device 300 also includes one ormore membrane members 117 disposed on thefirst portion 310 . As shown in FIG. 19 , thefilm member 117 covers theproximal disc surface 114 and theedge 116 of thefirst portion 310 , so thefilm member 117 also covers the outer surface of the first gather 311 and the second gather 312 . The constricting region of thefilm member 117 is at least partially housed or secured within the proximal constrictingmember 112 of thefirst portion 310 . It should be noted that the technical features related to thefilm member 117 in this embodiment are the same or similar to those of thefilm member 117 in Embodiment 1, and will not be repeated here. Thefilm member 117 provided on thefirst part 310 can further improve its sealing performance and realize multi-layer sealing. In other embodiments, thefirst part 310 may not be provided with afilm member 117, as long as thefirst gathering part 311 and thesecond gathering part 312 cooperate to form a flatproximal disc surface 114, it can avoid forming a thin film at theproximal disc 114. thrombus. In other embodiments, thefilm member 117 covers a part of the outer surface of thefirst gathering part 311, or covers a part of the outer surface of thesecond gathering part 312, or covers a part of the outer surface of thefirst gathering part 311 and thesecond gathering part 312 .

第一聚拢部311和第二聚拢部312的具体形状不做限制，两者只要能够在相互靠近后使形成的近端盘面114呈封闭状且表面平坦即可。在其他实施例中，如图22所示，第一聚拢部311包括一个凸起部313和一个凹陷部314，第二聚拢部312包括一个凹陷部315和一个凸起部316；第一聚拢部311和第二聚拢部312靠近后，第一聚拢部311的凸起部313抵接第二聚拢部312的凹陷部315，第一聚拢部311的凹陷部314抵接第二聚拢部312的凸起部316，从而使第一聚拢部311和第二聚拢部312能够贴合的更充分且更易于形成较为平坦的近端盘面114，避免在近端盘面114处形成血栓。在另一实施例中，第一聚拢部311包括多个凸起部313和多个凹陷部314，第二聚拢部312包括多个凹陷部315和多个凸起部316，第一聚拢部311和第二聚拢部312相互靠近后，第一聚拢部311的多个凸起部313分别抵接第二聚拢部312的一个凹陷部315，第一聚拢部311的多个凹陷部314分别抵接第二聚拢部312的一个凸起部316。由此，当第一聚拢部311抵接第二聚拢部312后，第一部分310的近端盘面114是封闭的，并将第一部分310的近端收束件112封闭在第一部分310的内部而不与血液接触，避免了血栓的形成。在这些实施例中，第一聚拢部311和第二聚拢部312在轴向方向上部分地重叠，在径向方向上也部分地重叠。为了保证形成的近端盘面114是封闭的，第一聚拢部311和第二聚拢部312相互靠近后，至少在径向方向上相互贴合。在其他实施例中，可以有第一聚拢部311的多个凸起部313抵接于第二聚拢部312的其中一个凹陷部315，也能够使第一聚拢部311和第二聚拢部312相互抵接。The specific shapes of thefirst gathering part 311 and thesecond gathering part 312 are not limited, as long as theproximal disk surface 114 formed by the two close to each other can be closed and the surface is flat. In other embodiments, as shown in FIG. 22 , thefirst gathering portion 311 includes a raisedportion 313 and aconcave portion 314, and thesecond gathering portion 312 includes aconcave portion 315 and a raisedportion 316; thefirst gathering portion 311 and thesecond gathering part 312 approach, theconvex part 313 of thefirst gathering part 311 abuts against theconcave part 315 of thesecond gathering part 312, and theconcave part 314 of thefirst gathering part 311 abuts against theconvex part 312 of thesecond gathering part 312. The raisedpart 316, so that thefirst gathering part 311 and thesecond gathering part 312 can fit more fully and it is easier to form a relatively flatproximal disk surface 114, so as to avoid the formation of thrombus at theproximal disk surface 114. In another embodiment, thefirst gathering part 311 includes a plurality ofprotrusions 313 and a plurality ofdepressions 314, thesecond gathering part 312 comprises a plurality ofdepressions 315 and a plurality ofprotrusions 316, and thefirst gathering part 311 After thesecond gathering part 312 is close to each other, the plurality ofprotrusions 313 of thefirst gathering part 311 respectively abut against adepression 315 of thesecond gathering part 312, and the plurality ofdepressions 314 of thefirst gathering part 311 abut respectively A raisedportion 316 of thesecond gathering portion 312 . Thus, when thefirst gathering part 311 abuts against thesecond gathering part 312, theproximal disk surface 114 of thefirst part 310 is closed, and the proximal constrictingpart 112 of thefirst part 310 is closed inside thefirst part 310 and Not in contact with blood, avoiding the formation of thrombus. In these embodiments, the first gatheredportion 311 and the second gatheredportion 312 partially overlap in the axial direction and also partially overlap in the radial direction. In order to ensure that the formedproximal disc surface 114 is closed, after thefirst gathering part 311 and thesecond gathering part 312 are close to each other, they are attached to each other at least in the radial direction. In other embodiments, there may be a plurality ofprotrusions 313 of thefirst gathering part 311 abutting against one of theconcave parts 315 of thesecond gathering part 312, and it is also possible to make thefirst gathering part 311 and thesecond gathering part 312 mutually Abut.

进一步地，在其他实施例中，第一部分310还设有复位件，第一聚拢部311和第二聚拢部312在解除外力作用后，复位件将第一聚拢部311和第二聚拢部312相互聚拢。在其中一种实施方式中，如图23所示，复位件317包括磁性相反的磁铁3171和磁铁3172，第一聚拢部311上设置磁铁3171，第二聚拢部312上设置磁铁3172。相同磁性的磁铁的个数及具体设置位置等不做限制，例如，还可在第一部分310的近端收束件112上设置磁铁，以吸附设置在第一聚拢部311和/或第二聚拢部312上的磁铁。第一聚拢部311和第二聚拢部312在输送钢缆400对其的作用力解除后，继而在这两种磁铁的相互吸附作用下相互聚拢，以促进第一聚拢部311和第二聚拢部312相互靠近并最终形成封闭的近端盘面114。Further, in other embodiments, thefirst part 310 is also provided with a reset member. After thefirst gathering part 311 and thesecond gathering part 312 are released from the external force, the reset member will make thefirst gathering part 311 and thesecond gathering part 312 mutually Gather. In one embodiment, as shown in FIG. 23 , thereset member 317 includes amagnet 3171 and amagnet 3172 with opposite magnetic properties, themagnet 3171 is set on thefirst gathering part 311 , and themagnet 3172 is set on thesecond gathering part 312 . The number of magnets with the same magnetic properties and the specific setting positions are not limited. For example, magnets can also be set on the proximal constrictingmember 112 of thefirst part 310 to adsorb and arrange on thefirst gathering part 311 and/or thesecond gathering part 311. magnet onpart 312. After thefirst gathering part 311 and thesecond gathering part 312 release the force on it from the conveyingsteel cable 400, they gather together under the mutual adsorption of these two kinds of magnets to promote thefirst gathering part 311 and the second gathering part. 312 approach each other and eventually form the closedproximal disk surface 114.

在另一实施方式中，如图24所示，复位件318包括靠近第一聚拢部311设置的第一复位杆3181和靠近第二聚拢部312设置的第二复位杆3182，第一聚拢部311和第二聚拢部312在第一复位杆3181和第二复位杆3182的作用下相互聚拢。具体地，第一复位杆3181的一端固定在第一部分310的近端收束件112的远端，另一端自近端收束件112的远端伸出后朝向近端盘面114延伸，并在靠近近端盘面114的位置处径向向外延伸一段距离，且不伸出第一部分310的边沿116；第二复位杆3182以近端收束件112为中心而与第一复位杆3181对称设置。在另一实施方式中，第一复位杆3181和第二复位杆3182对称设置，且第一复位杆3181的一端固定在近端收束件112的远端，另一端自近端收束件112的远端伸出后朝向第一聚拢部311弯曲延伸；第二复位杆3182的一端固定在近端收束件112的远端，另一端自近端收束件112的远端伸出后朝向第二聚拢部312弯曲延伸。在这些实施例中，当第一部分310收容在鞘管内时，第一复位杆3181和第二复位杆3182均顺应第一部分310的变形而呈近似直线状，并能够在第一部分310脱离鞘管约束后恢复上述形状，从而促进第一聚拢部311和第二聚拢部312相互靠近并最终形成封闭的近端盘面114。In another embodiment, as shown in FIG. 24 , thereset member 318 includes afirst reset lever 3181 disposed close to thefirst gathering portion 311 and asecond reset lever 3182 disposed close to the second gatherportion 312. The first gatherportion 311 and thesecond gathering part 312 gather together under the action of thefirst reset lever 3181 and thesecond reset lever 3182 . Specifically, one end of thefirst reset rod 3181 is fixed to the distal end of the proximal constrictingmember 112 of thefirst part 310, and the other end protrudes from the distal end of the proximal constrictingmember 112 and then extends toward theproximal disc surface 114, and The position close to theproximal disk surface 114 extends radially outward for a certain distance, and does not protrude from theedge 116 of thefirst part 310; thesecond reset rod 3182 is arranged symmetrically with thefirst reset rod 3181 centered on the proximal constrictingmember 112 . In another embodiment, thefirst reset rod 3181 and thesecond reset rod 3182 are arranged symmetrically, and one end of thefirst reset rod 3181 is fixed on the distal end of the proximal constrictingmember 112, and the other end is connected from the proximal constrictingmember 112. The distal end stretches out and bends towards thefirst gathering part 311; one end of thesecond reset rod 3182 is fixed on the distal end of the proximal constrictingpart 112, and the other end protrudes from the distal end of the proximal constrictingpart 112 toward Thesecond gathering part 312 is bent and extended. In these embodiments, when thefirst part 310 is accommodated in the sheath, both thefirst reset rod 3181 and thesecond reset rod 3182 conform to the deformation of thefirst part 310 to form an approximately straight line, and thefirst part 310 can escape from the constraint of the sheath. Afterwards, the above-mentioned shape is restored, so as to promote thefirst gathering part 311 and thesecond gathering part 312 to approach each other and finally form a closedproximal disc surface 114 .

在另一实施方式中，如图25所示，复位件319包括连接第一聚拢部311和第二聚拢部312的弹性线圈。弹性线圈具有较好的弹性，能够在输送钢缆400与近端收束件112连接时径向向外撑开，以不阻挡该连接，也不妨碍第一聚拢部311和第二聚拢部312的分离；还能够在输送钢缆400与近端收束件112解除连接后，使第一聚拢部311和第二聚拢部312在弹性线圈的收缩作用下相互聚拢。这样的弹性线圈可根据需求设置一个或多个。In another embodiment, as shown in FIG. 25 , thereset member 319 includes an elastic coil connecting thefirst gathering part 311 and thesecond gathering part 312 . The elastic coil has better elasticity, and can be stretched radially outward when thedelivery steel cable 400 is connected to the proximal constrictingmember 112, so as not to block the connection, nor to interfere with thefirst gathering part 311 and thesecond gathering part 312 It is also possible to make thefirst gathering part 311 and thesecond gathering part 312 gather together under the contraction of the elastic coil after thedelivery steel cable 400 is disconnected from the proximal constrictingmember 112. One or more such elastic coils can be provided according to requirements.

在其他一些实施例中，可对应分别包括上述实施例1至实施例9中任一实施例中所描述的所有技术特征，也即，实施例10中所描述的关于第一部分310的上述技术特征可以视为是在上述实施例1至实施例9的任一实施例的基础上的延续，相同的部分在此不再赘述。In some other embodiments, all the technical features described in any one of the above-mentioned embodiments 1 to 9 may be correspondingly included, that is, the above-mentioned technical features described in embodiment 10 about thefirst part 310 It can be regarded as a continuation on the basis of any one of the foregoing embodiments 1 to 9, and the same parts will not be repeated here.

以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. The utility model provides a plugging device, includes the first part, the first part includes many braided wires and restraints, the one end of many braided wires is fixed in the restraint piece, the first part has at least one quotation, its characterized in that, the restraint piece is including equal cavity and the interior sleeve pipe and the outer tube that the cover was established, interior sleeve pipe's length is greater than the length of outer tube, just interior sleeve pipe with the near-end tip of outer tube flushes, the quotation of the near-end of first part is at least close to the part of the restraint piece with the axis of the restraint piece is perpendicular, thereby be in it forms comparatively flat quotation to close up near the restraint piece.

2. The occlusion device of claim 1, wherein an end cap is provided at one end of the constriction member and is connected to the inner sleeve, and wherein one end of the plurality of braided wires extends from a space between the end cap and the outer sleeve into a space between the inner sleeve and the outer sleeve.

3. The occlusion device of claim 2, wherein the end cap and the inner sleeve are integrally formed.

4. The occlusion device of any of claims 2-3, wherein the end cap is connected to a proximal end of the inner cannula.

5. The occlusion device of any of claims 2-3, further comprising a membrane member covering at least a portion of an outer surface of the disk face, wherein a constricted region of the membrane member is provided with an aperture, and wherein a portion of the membrane member surrounding the aperture is received and secured within the constricted member.

6. The occlusion device of claim 5, wherein the constricted region of the membrane element is at least partially received or secured between the inner sleeve and the outer sleeve.

7. The occlusion device of claim 6, wherein the end cap defines a slot, and wherein the portion of the membrane member surrounding the aperture is fixedly clamped within the slot.

8. The occlusion device of any of claims 2-3, 6-7, wherein the inner wall of the inner cannula is provided with threads or snap-fit elements.

9. The occlusion device of any of claims 2-3, 6-7, wherein the constriction is located at a proximal end of the first portion, the inner sleeve and a proximal end of the outer sleeve are flush, and a length of the inner sleeve is greater than a length of the outer sleeve.

10. The occlusion device of any of claims 2-3, 6-7, wherein a proximal end of the inner cannula and a proximal end of the outer cannula enclose a proximal inlet of the constriction, a distal end of the inner cannula and a distal end of the outer cannula enclose a distal inlet of the constriction, and one end of the plurality of braided wires is secured between the inner cannula and the outer cannula after passing through the proximal inlet or the distal inlet of the constriction.

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