CN114569173A - Stitching instrument for laparoscopic surgery - Google Patents
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- 238000002357laparoscopic surgeryMethods0.000titledescription9
- 238000004804windingMethods0.000claimsabstractdescription24
- 210000003437tracheaAnatomy0.000claimsabstractdescription11
- 238000003780insertionMethods0.000claimsdescription26
- 230000037431insertionEffects0.000claimsdescription24
- 238000007789sealingMethods0.000claimsdescription5
- 238000004519manufacturing processMethods0.000abstractdescription5
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- 210000003815abdominal wallAnatomy0.000description1
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- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
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Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本发明涉及医疗器械技术领域，特别涉及一种腹腔镜手术缝合器。The invention relates to the technical field of medical instruments, in particular to a laparoscopic surgical stapler.
背景技术Background technique
腹腔镜手术是一门新发展起来的微创手术方法，因其创伤小，恢复快，已得到广泛应用，使得许多过去开放的手术已被腹腔镜手术取而代之。腹腔镜手术操作必须通过穿刺器在腹壁上建立工作通道，再用特制的加长手术器械在腹腔镜显示屏幕下完成手术。腹腔镜手术过程中需要在人体开设若干手术孔，且腹腔镜手术完成后需要将手术孔进行缝合，手术孔现在缝合一般是使用专用的一次性缝合器，一次性缝合器一般包括柱体和缝合针，医护人员先按说明书将缝合线绕设于柱体上，再将柱体插入手术孔内，并按说明书对柱体和缝合针进行操作完成对手术孔的缝合，使用后的柱体和缝合针丢弃，现在的柱体整体为纯机械结构，是由多个精巧的小型零件组合而且，结构复杂，这就导致一次性缝合器的生产成本较高，间接的提高了腹腔镜手术的费用。Laparoscopic surgery is a newly developed minimally invasive surgical method. Because of its small trauma and quick recovery, it has been widely used, so that many open operations in the past have been replaced by laparoscopic surgery. In laparoscopic surgery, a working channel must be established on the abdominal wall through a trocar, and then the operation is completed under the laparoscopic display screen with a special lengthened surgical instrument. During laparoscopic surgery, several surgical holes need to be opened in the human body, and the surgical holes need to be sutured after the laparoscopic surgery is completed. Now the surgical holes are usually sutured with a special disposable suture, which generally includes a cylinder and a suture. Needle, medical staff first wrap the suture on the cylinder according to the instructions, then insert the cylinder into the operation hole, and operate the cylinder and suture needle according to the instructions to complete the suturing of the operation hole. The suture needle is discarded, and the current cylinder is purely mechanical as a whole, which is composed of a number of delicate small parts. Moreover, the structure is complex, which leads to the high production cost of disposable staplers, which indirectly increases the cost of laparoscopic surgery. .
发明内容SUMMARY OF THE INVENTION
本发明的主要目的是提供一种腹腔镜手术缝合器，旨在解决现有一次性缝合器结构复杂，生产成本高的问题。The main purpose of the present invention is to provide a laparoscopic surgical stapler, which aims to solve the problems of complex structure and high production cost of the existing disposable stapler.
为实现上述目的，本发明提出的技术方案是：For achieving the above object, the technical scheme proposed by the present invention is:
一种腹腔镜手术缝合器，包括气泵、缝合针和主体，所述主体包括柱体、两翼板和两气垫柱，所述柱体内设置连接气管，两所述气垫柱设置于所述柱体内，所述柱体的其中一端为盖部另一端为绕线端；所述连接气管的其中一端穿过所述盖部，所述连接气管的另一端分别连通两所述气垫柱；所述柱体开设两插入通道和两连接通槽，两所述连接通槽沿所述柱体的长度方向对称设置，两所述连接通槽靠近所述绕线端设置，其中一所述连接通槽内转动设置其中一所述翼板，另一所述连接通槽内转动设置另一所述翼板；其中一所述气垫柱连接其中一所述翼板，另一所述气垫柱连接另一所述翼板；所述柱体和两所述翼板的外表面用于绕设缝合线；所述气泵包括充气管，所述充气管的其中一端可拆卸连通所述连接气管穿过所述盖部的一端，所述气泵用于依次通过所述充气管和所述连接气管向两所述气垫柱充吸气，以使两所述翼板平行或垂直所述柱体的长度方向；所述缝合针用于先依次穿过其中一所述插入通道和待缝合处其中一侧将绕于其中一所述翼板的缝合线沿原路径勾出体外，再依次穿过另一所述插入通道和待缝合处另一侧将绕于其中一所述翼板的缝合线沿原路径勾出体外，以使缝合线在体外结扎将待缝合处缝合。A laparoscopic surgical stapler, comprising an air pump, a suture needle and a main body, the main body comprising a column body, two wing plates and two air cushion columns, a connecting trachea is arranged in the column body, and the two air cushion columns are arranged in the column body, One end of the cylinder is a cover part and the other end is a winding end; one end of the connecting air pipe passes through the cover part, and the other end of the connecting air pipe is respectively connected to the two air cushion columns; the cylinder body There are two insertion channels and two connecting through grooves. The two connecting through grooves are symmetrically arranged along the length direction of the cylinder. One of the wing plates is arranged, and the other one of the connecting through grooves is rotatably arranged in the other wing plate; one of the air cushion columns is connected to one of the wing plates, and the other air cushion column is connected to the other one of the wing plates. a wing plate; the outer surfaces of the cylinder and the two wing plates are used for winding sutures; the air pump includes an inflatable tube, and one end of the inflatable tube is detachably connected to the connecting air tube and passes through the cover part The air pump is used to inflate air to the two air cushion columns through the air tube and the connecting air tube in turn, so that the two wings are parallel or perpendicular to the length direction of the column; the suture The needle is used to first pass through one of the insertion channels and one side of the place to be sutured to hook the suture thread around one of the wings out of the body along the original path, and then pass through the other insertion channel and On the other side of the to-be-sutured part, the suture line wrapped around one of the wings is hooked out of the body along the original path, so that the suture line is ligated in vitro and the to-be-sutured part is sutured.
优选的，所述翼板和所述连接通槽远离所述绕线端的一端铰接。Preferably, one end of the wing plate and the connecting through groove away from the winding end is hinged.
优选的，所述翼板背离两所述气垫柱的一侧开设插入槽和连接线槽，所述连接线槽平行于所述柱体的长度方向，所述连接线槽穿过所述插入槽，所述连接线槽用于供缝合线埋入，并使缝合线穿过所述插入槽；所述插入槽用于供所述缝合针插入并勾起穿过所述插入槽的缝合线。Preferably, an insertion slot and a connecting wire slot are provided on the side of the wing plate away from the two air cushion columns, the connecting wire slot is parallel to the length direction of the column, and the connecting wire slot passes through the insertion slot , the connecting wire groove is used for embedding the suture thread and allowing the suture thread to pass through the insertion groove; the insertion groove is used for inserting the suture needle and hooking up the suture thread passing through the insertion groove.
优选的，所述盖部远离所述绕线端的一侧设置凸柱，所述凸柱沿所述柱体的长度方向开设连接通孔，所述连接气管穿过所述盖部的端部固定于所述连接通孔内；所述凸柱的外缘设置外螺纹；所述气泵还包括连接盖，所述连接盖可拆卸连接所述充气管远离所述气泵的一端，所述连接盖面向所述柱体的一侧开设容纳槽，所述充气管沿所述连接盖背离所述柱体的一侧插入至所述容纳槽内，所述容纳槽的侧壁设置内螺纹，所述凸柱用于插入所述容纳槽内，以使所述凸柱和所述连接盖螺纹连接。Preferably, a protruding post is provided on the side of the cover away from the winding end, the protruding post is provided with a connecting through hole along the length direction of the cylinder, and the connecting air pipe is fixed through the end of the cap. the outer edge of the protruding column is provided with an external thread; the air pump further includes a connection cover, the connection cover is detachably connected to the end of the inflatable tube away from the air pump, and the connection cover faces One side of the cylinder is provided with an accommodating groove, the inflatable tube is inserted into the accommodating groove along the side of the connecting cover facing away from the cylinder, the side wall of the accommodating groove is provided with internal threads, and the convex The post is used to be inserted into the accommodating groove, so that the protruding post and the connection cover are screwed together.
优选的，所述凸柱远离所述盖部的一端设置密封层，所述连接通孔设置可拆卸的堵头。Preferably, a sealing layer is provided at one end of the protruding post away from the cover, and a detachable plug is provided for the connecting through hole.
优选的，所述柱体的外缘设置主线槽，所述主线槽的其中一端靠近所述盖部的其中一侧，所述主线槽的另一端向所述绕线端方向延伸并经过所述绕线端延伸至所述盖部的另一侧，所述主线槽分别连通两所述连接线槽，所述连接线槽的两端沿所述盖部对称设置。Preferably, the outer edge of the cylinder is provided with a main wire groove, one end of the main wire groove is close to one side of the cover portion, and the other end of the main wire groove extends toward the winding end and passes through the The winding end extends to the other side of the cover portion, the main wire grooves are respectively connected with the two connection wire grooves, and both ends of the connection wire grooves are symmetrically arranged along the cover portion.
优选的，所述主线槽的两端部分别设置线夹，两所述线夹沿所述盖部对称设置；所述线夹包括平行间隔设置的两夹板，两所述夹板之间形成夹持间隙，所述夹持间隙用于夹持缝合线，以使缝合线贴合于主线槽和两所述连接线槽内。Preferably, wire clips are respectively provided at both ends of the main wire groove, and the two wire clips are symmetrically arranged along the cover; the wire clips include two clamp plates arranged in parallel and spaced apart, and a clamping plate is formed between the two clamp plates. The clamping gap is used for clamping the suture, so that the suture fits in the main wire groove and the two connecting wire grooves.
优选的，所述柱体内设置两弹性线缆，各所述翼板面向所述各所述气垫柱的一侧分别设置第一连接扣，所述连接气管的外缘设置两第二连接扣；其中一所述弹性线缆的其中一端连接其中一所述第一连接扣，另一端连接其中一所述第二连接扣；另一所述弹性线缆的其中一端连接另一所述第一连接扣，另一端连接另一所述第二连接扣；各所述弹性线缆用于辅助撑开的所述翼板进入所述连接通槽。Preferably, two elastic cables are arranged in the cylinder, a first connection buckle is respectively arranged on the side of each of the wings facing the air cushion column, and two second connection buckles are arranged on the outer edge of the connecting air pipe; One end of one of the elastic cables is connected to one of the first connection buckles, and the other end is connected to one of the second connection buckles; one end of the other elastic cable is connected to the other first connection The other end is connected to the other second connection buckle; each of the elastic cables is used to assist the stretched wings to enter the connection through groove.
优选的，各所述第一连接扣位于所述气垫柱和所述翼板连接处靠近所述盖部的一侧；各所述第二连接扣位于各所述第一连接扣和所述盖部之间。Preferably, each of the first connection buckles is located on the side of the connection between the air cushion column and the wing plate close to the cover; each of the second connection buckles is located at each of the first connection buckles and the cover between the departments.
与现有技术相比，本发明至少具备以下有益效果：Compared with the prior art, the present invention at least has the following beneficial effects:
主体的结构进行简化，各零件的加工制造成本降低，且主体配合缝合针就可以快速在手术孔处完成缝合，既保证了缝合效果，又降低了费用，再配合可以多重重复使用的气泵，可以间接的降低腹腔镜手术的费用，降低患者的经济负担。The structure of the main body is simplified, the processing and manufacturing cost of each part is reduced, and the main body can quickly complete the suture at the surgical hole with the suture needle, which not only ensures the suture effect, but also reduces the cost. Indirectly reduce the cost of laparoscopic surgery and reduce the economic burden of patients.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图示出的结构获得其他的附图。In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the structures shown in these drawings without creative efforts.
图1为本发明一种腹腔镜手术缝合器一实施例的结构示意图；1 is a schematic structural diagram of an embodiment of a laparoscopic surgical stapler according to the present invention;
图2为柱体翼板撑开的结构示意图；Fig. 2 is the structural representation that the column body wing plate is opened;
图3为图2侧视的结构示意图；Fig. 3 is the structural representation of Fig. 2 side view;
图4为图1中A处放大后的结构示意图。FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 .
附图标号说明：Description of reference numbers:
1-柱体；11-盖部；12-绕线端；13-插入通道；14-连接通槽；15-气垫柱；16-凸柱；17-连接通孔；18-密封层；19-主线槽；1-cylinder; 11-cover; 12-winding end; 13-insertion channel; 14-connection slot; 15-air cushion column; 16-projection column; 17-connection through hole; 18-sealing layer; 19- main trunking;
2-翼板；21-插入槽；22-连接线槽；23-弹性线缆；24-第一连接扣；2-wing plate; 21-insertion slot; 22-connection wire slot; 23-elastic cable; 24-first connection buckle;
3-连接气管；31-第二连接扣；3-connect trachea; 31-second connection buckle;
4-充气管；41-连接盖；42-容纳槽；4-inflatable tube; 41-connection cover; 42-accommodating groove;
5-线夹；51-夹板；52-夹持间隙；5-clamp; 51-clamp; 52-clamping gap;
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。The realization, functional characteristics and advantages of the present invention will be further described with reference to the accompanying drawings in conjunction with the embodiments.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
需要说明，本发明实施例中所有方向性指示(诸如上、下、左、右、前、后……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relationship between various components under a certain posture (as shown in the accompanying drawings). The relative positional relationship, the movement situation, etc., if the specific posture changes, the directional indication also changes accordingly.
另外，在本发明中如涉及“第一”、“第二”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本发明的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。In addition, descriptions such as "first", "second", etc. in the present invention are only for descriptive purposes, and should not be construed as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.
在本发明中，除非另有明确的规定和限定，术语“连接”、“固定”等应做广义理解，例如，“固定”可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。In the present invention, unless otherwise expressly specified and limited, the terms "connected", "fixed" and the like should be understood in a broad sense, for example, "fixed" may be a fixed connection, a detachable connection, or an integrated; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal communication between two elements or an interaction relationship between the two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
另外，本发明各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在，也不在本发明要求的保护范围之内。In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention.
本发明提出一种腹腔镜手术缝合器。The invention provides a laparoscopic surgical stapler.
如图1至图4所示的一种腹腔镜手术缝合器，包括气泵(图中未示出)、缝合针(图中未示出)和主体，主体包括柱体1、两翼板2和两气垫柱15，柱体1内设置连接气管3，两气垫柱15设置于柱体1内，柱体1的其中一端为盖部11另一端为绕线端12；连接气管3的其中一端穿过盖部11，连接气管3的另一端分别连通两气垫柱15；柱体1开设两插入通道13和两连接通槽14，两连接通槽14沿柱体1的长度方向对称设置，两连接通槽14靠近绕线端12设置，其中一连接通槽14内转动设置其中一翼板2，另一连接通槽14内转动设置另一翼板2；其中一气垫柱15连接其中一翼板2，另一气垫柱15连接另一翼板2；柱体1和两翼板2的外表面用于绕设缝合线；气泵包括充气管4，充气管4的其中一端可拆卸连通连接气管3穿过盖部11的一端，气泵用于依次通过充气管4和连接气管3向两气垫柱15充吸气，以使两翼板2平行或垂直柱体1的长度方向；缝合针用于先依次穿过其中一插入通道13和待缝合处其中一侧将绕于其中一翼板2的缝合线沿原路径勾出体外，再依次穿过另一插入通道13和待缝合处另一侧将绕于其中一翼板2的缝合线沿原路径勾出体外，以使缝合线在体外结扎将待缝合处缝合。A laparoscopic surgical stapler as shown in Figures 1 to 4 includes an air pump (not shown in the figure), a suture needle (not shown in the figure) and a main body, the main body includes a
主体的结构进行简化，各零件的加工制造成本降低，且主体配合缝合针就可以快速在手术孔处完成缝合，既保证了缝合效果，又降低了费用，再配合可以多重重复使用的气泵，可以间接的降低腹腔镜手术的费用，降低患者的经济负担。The structure of the main body is simplified, the processing and manufacturing cost of each part is reduced, and the main body can quickly complete the suture at the surgical hole with the suture needle, which not only ensures the suture effect, but also reduces the cost. Indirectly reduce the cost of laparoscopic surgery and reduce the economic burden of patients.
具体的，现有的气泵均可完成吸气和充气功能，故不在此一一赘述；缝合针的结构作为现有技术不在此一一赘述。Specifically, the existing air pumps can perform the functions of inhalation and inflation, so they will not be repeated here; the structure of the suture needle will not be repeated here as the prior art.
具体的，缝合针和主体均为一次性用品。Specifically, the suture needle and the main body are both disposables.
具体的，两翼板2沿柱体1对称设置。Specifically, the two
具体的，连接气管3贴合柱体1的内壁面设置，连接气管3和各插入通道13间隔设置，这样可以避免缝合针勾拉缝合线时勾拉到连接气管3。Specifically, the connecting
具体的，柱体1的内壁面可拆卸设置若干连接套，各所述连接套沿柱体1的长度方向间隔设置，连接气管3依次连接各连接套。Specifically, a plurality of connecting sleeves are detachably arranged on the inner wall surface of the
具体的，柱体1的外表面设置标尺，这样可以供医护人员直观的了解到柱体1插入手术孔的距离。Specifically, a ruler is provided on the outer surface of the
翼板2和连接通槽14远离绕线端12的一端铰接。这样设置使得翼板2撑开垂直于柱体1时，缝合线贴合翼板2，可以降低缝合针的勾线难度。One end of the
翼板2背离两气垫柱15的一侧开设插入槽21和连接线槽22，连接线槽22平行于柱体1的长度方向，连接线槽22穿过插入槽21，连接线槽22用于供缝合线埋入，并使缝合线穿过插入槽21；插入槽21用于供缝合针插入并勾起穿过插入槽21的缝合线。连接线槽22的设置可以便于缝合线的定位，插入槽21的设置，便于缝合针勾起缝合线。The side of the
盖部11远离绕线端12的一侧设置凸柱16，凸柱16沿柱体1的长度方向开设连接通孔17，连接气管3穿过盖部11的端部固定于连接通孔17内；凸柱16的外缘设置外螺纹(图中未示出)；气泵还包括连接盖41，连接盖41可拆卸连接充气管4远离气泵的一端，连接盖41面向柱体1的一侧开设容纳槽42，充气管4沿连接盖41背离柱体1的一侧插入至容纳槽42内，容纳槽42的侧壁设置内螺纹，凸柱16用于插入容纳槽42内，以使凸柱16和连接盖41螺纹连接。凸柱16和连接盖41的设置，便于连接气管3和充气管4的连接及拆卸。A protruding
具体的，充气管4的管径小于连接气管3的管径，当凸柱16和连接盖41螺纹连接时，先将充气管4插入连接气管3，这样便于充气管4和连接气管3的对准。Specifically, the diameter of the inflation tube 4 is smaller than the diameter of the connecting
凸柱16远离盖部11的一端设置密封层18，连接通孔17设置可拆卸的堵头。密封层18的设置可以避免漏气。A
柱体1的外缘设置主线槽19，主线槽19的其中一端靠近盖部11的其中一侧，主线槽19的另一端向绕线端12方向延伸并经过绕线端12延伸至盖部11的另一侧，主线槽19分别连通两连接线槽22，连接线槽22的两端沿盖部11对称设置。主线槽19的设置可以确保缝合线在固定的位置。The outer edge of the
具体的，绕线端12为弧状，这样便于柱体1插入手术孔。Specifically, the winding
具体的，主线槽19呈U型。Specifically, the
主线槽19的两端部分别设置线夹5，两线夹5沿盖部11对称设置；线夹5包括平行间隔设置的两夹板51，两夹板51之间形成夹持间隙52，夹持间隙52用于夹持缝合线，以使缝合线贴合于主线槽19和两连接线槽22内。线夹5的设置可以固定缝合线，使得缝合线贴合至主线槽19和连接线槽22内。The two ends of the
具体的，柱体1的长度方向分别垂直于各夹板51。Specifically, the length direction of the
柱体1内设置两弹性线缆23，各翼板2面向各气垫柱15的一侧分别设置第一连接扣24，连接气管3的外缘设置两第二连接扣31；其中一弹性线缆23的其中一端连接其中一第一连接扣24，另一端连接其中一第二连接扣31；另一弹性线缆23的其中一端连接另一第一连接扣24，另一端连接另一第二连接扣31；各弹性线缆23用于辅助撑开的翼板2进入连接通槽14。弹性线缆23的设置，可以提高翼板2的复位能力，避免完成勾线后取出柱体1时翼板2没有复位。Two
具体的，两第二连接口31沿连接气管对称设置。Specifically, the two
具体的，盖部和柱体1可拆卸连接，当缝合针将缝合线从人体内取出时，气泵依次通过充气管4和连接气管3向各气垫柱15吸气，以使各气垫柱15复位，且盖部和柱体1分离，驱动盖部将连接气管3上移，以确保各翼板2复位至连接通槽14内。Specifically, the cover part and the
具体的，当盖部向上提拿连接气管3时，各连接套和柱体1分离。Specifically, when the cover part is lifted up to take the connecting
各第一连接扣24位于气垫柱15和翼板2连接处靠近盖部11的一侧；各第二连接扣31位于各第一连接扣24和盖部11之间。Each of the
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是在本发明的发明构思下，利用本发明说明书及附图内容所作的等效结构变换，或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。The above descriptions are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformations made by the contents of the description and drawings of the present invention, or the direct/indirect application Other related technical fields are included in the scope of patent protection of the present invention.
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