技术领域technical field
本发明涉及一种圆管型装订仪的手术辅助件，尤其涉及一种圆管型装订仪的引导装置。The invention relates to an operation auxiliary part of a circular tube binding instrument, in particular to a guiding device of a circular tube binding instrument.
背景技术Background technique
圆管型装订仪是一种广泛用于消化道重建手术的外科器械，由圆形的钉头组件与击发组件组成；将两段需要连接起来的圆管型组织放置在钉头组件的钉砧与钉仓之间，调整钉砧与钉仓的距离来逐渐夹紧组织，然后操作击发组件使钉成形，完成两段组织的连接。The circular tubular stapler is a surgical instrument widely used in digestive tract reconstruction surgery. It consists of a circular nail head assembly and a firing assembly; two sections of circular tubular tissue that need to be connected are placed on the anvil of the nail head assembly Between the staple cartridge and the staple anvil, adjust the distance between the staple anvil and the staple cartridge to gradually clamp the tissue, and then operate the firing component to shape the staple and complete the connection of the two sections of tissue.
在实际的手术操作中，有两种手术的圆管型装订仪进入管道比较困难，分别是低位直肠手术与胃旁路手术。第一种低位直肠手术，采用的是直径为33毫米的圆管型装订仪，需经肛门进行手术，由于肛门为一个肌性开口，正常状况其直径较小，将33毫米的器械插入到肛门比较困难。第二种胃旁路手术，采用的是直径为25毫米的圆管型装订仪，需进入小肠进行手术，小肠为人体的消化管道，内壁有很多粘膜，而圆管型装订仪由于端面较大，且不够圆滑，在内穿行易对粘膜造成损伤。In the actual operation, there are two types of operations where it is difficult for the circular tube-type stapler to enter the pipeline, namely, low rectal surgery and gastric bypass surgery. The first type of low rectal surgery uses a circular tube binding instrument with a diameter of 33 mm. The operation needs to be performed through the anus. Since the anus is a muscular opening, its diameter is normally small, and a 33 mm instrument is inserted into the anus. more difficult. The second type of gastric bypass surgery uses a circular tube binding instrument with a diameter of 25 mm, which needs to enter the small intestine for surgery. The small intestine is the digestive tract of the human body, and there are many mucous membranes on the inner wall. , and not smooth enough, it is easy to cause damage to the mucous membrane when passing through it.
目前解决上述问题的现有技术为美国专利申请US20090204108揭示的一种圆管型装订仪的辅助器械，可以引导圆管形装订仪的钉仓组件进入人体并穿过肠道，而且在其到达预定位置之后可以把这个辅助器械从钉仓组件上卸掉，不影响圆管型装订仪的后续操作。这个辅助器械可帮助医生将钉仓组件顺利地放入到预定的位置，但是目前此辅助器械比较昂贵，还不能被广泛地提供给中国市场。At present, the existing technology to solve the above problems is an auxiliary instrument of a circular tube binding instrument disclosed in US patent application US20090204108, which can guide the staple cartridge assembly of the circular tube binding instrument into the human body and pass through the intestinal tract, and when it reaches the predetermined After the position, the auxiliary instrument can be removed from the staple cartridge assembly without affecting the subsequent operation of the round tube binding instrument. This auxiliary device can help doctors put the staple cartridge assembly into the predetermined position smoothly, but currently this auxiliary device is relatively expensive and cannot be widely provided to the Chinese market.
发明内容Contents of the invention
本发明的目的在于解决上述的技术问题，提供一种结构简单的适用于圆管型装订仪的引导装置。The purpose of the present invention is to solve the above-mentioned technical problems, and provide a guiding device suitable for a circular tube binding instrument with a simple structure.
本发明的目的通过以下技术方案来实现：The purpose of the present invention is achieved through the following technical solutions:
一种圆管型装订仪的引导装置，所述圆管型装订仪包括钉砧组件、钉仓组件、固定于所述钉仓组件近端的弯管，及可移动地设置在钉仓组件内并用于与钉砧组件连接的钉砧拉杆，所述引导装置为一圆管形的本体和与之连接的活动段组成，所述活动段包括远端和近端，所述活动段得近端与所述本体连接，所述本体包覆在所述钉仓组件的外周，所述活动段的远端中心开设有一圆孔，A guide device for a round tube type binding instrument, the round tube type binding instrument includes a staple anvil assembly, a staple cartridge assembly, an elbow fixed to the proximal end of the staple cartridge assembly, and is movably arranged in the staple cartridge assembly And it is used for the anvil pull rod connected with the nail anvil assembly, the guide device is composed of a circular tube-shaped body and a movable section connected thereto, the movable section includes a far end and a proximal end, and the proximal end of the movable section is It is connected with the main body, the main body covers the outer periphery of the staple cartridge assembly, and a circular hole is opened in the center of the distal end of the movable section,
所述引导装置可在位于所述钉仓组件远端的第一位置与位于所述钉仓组件近端的第二位置之间移动，the guiding device is movable between a first position at the distal end of the cartridge assembly and a second position at the proximal end of the cartridge assembly,
当所述引导装置位于第一位置时，所述圆孔直径比所述钉砧拉杆的最大外径略小，所述钉砧拉杆的穿刺尖卡在圆孔内， When the guiding device is at the first position, the diameter of the circular hole is slightly smaller than the maximum outer diameter of the anvil pull rod, and the puncture point of the anvil pull rod is stuck in the circular hole,
当所述引导装置位于第二位置时，所述圆孔直径大于等于所述钉仓组件的外径，所述钉仓组件穿出圆孔。When the guiding device is at the second position, the diameter of the circular hole is greater than or equal to the outer diameter of the staple cartridge assembly, and the staple cartridge assembly passes through the circular hole.
进一步地，所述引导装置的本体可移动地包覆在所述钉仓组件和部分弯管的外周。Further, the body of the guiding device is movably covered on the outer periphery of the cartridge assembly and part of the elbow.
进一步地，所述活动段为半球形，所述圆孔在所述活动段得最远端。Further, the movable section is hemispherical, and the circular hole is at the farthest end of the movable section.
进一步地，所述活动段为圆锥形，所述圆孔在所述活动段得最远端。Further, the movable section is conical, and the circular hole is at the farthest end of the movable section.
进一步地，所述活动段为内外层结构，分别为柔性薄膜材质的本体外层和至少两片橡胶材质的加强肋形成的内层。Further, the movable section is an inner and outer layer structure, which is respectively an outer layer of the main body made of flexible film material and an inner layer formed by at least two reinforcing ribs made of rubber material.
进一步地，所述加强肋与外层内表面为粘贴固定设置。Further, the reinforcing rib and the inner surface of the outer layer are fixed by sticking.
进一步地，所述引导装置的近端设有一向外周发散而形成的一中空锥形导向沿。Further, the proximal end of the guiding device is provided with a hollow tapered guiding edge diverging toward the outer periphery.
进一步地，所述导向沿表面凸设有至少一圈突起。Further, at least one ring of protrusions is protruded along the surface of the guide.
进一步地，所述弯管上设置有用于确定引导装置位置的刻度线。Further, the curved pipe is provided with a scale line for determining the position of the guiding device.
本发明的有益效果主要体现在：由于引导装置的光滑的活动段外表面，不仅可使操作者更顺利地将钉仓组件插入到组织，而且也保护了人体组织不会由于钉仓组件的端面过大而受损伤。本引导装置制造简单，成本低廉，值得被广泛地推广应用。The beneficial effects of the present invention are mainly reflected in that: due to the smooth outer surface of the movable section of the guide device, not only can the operator insert the staple cartridge assembly into the tissue more smoothly, but also protect the human tissue from being damaged by the end surface of the staple cartridge assembly. oversized and damaged. The guiding device is simple to manufacture and low in cost, and is worthy of being widely popularized and applied.
附图说明Description of drawings
下面结合附图对本发明技术方案作进一步说明：Below in conjunction with accompanying drawing, technical solution of the present invention will be further described:
图1：本发明最佳实施例时处于第一位置的结构示意图。Fig. 1: Schematic diagram of the structure in the first position in the best embodiment of the present invention.
图2：本发明最佳实施例时处于第二位置的结构示意图。Fig. 2: Schematic diagram of the structure in the second position in the best embodiment of the present invention.
图3：本发明最佳实施例的主视图。Figure 3: Front view of the preferred embodiment of the invention.
图4：图3中沿A-A的剖视图。Figure 4: Sectional view along A-A in Figure 3.
图5：本发明最佳实施例的仰视图。Figure 5: Bottom view of the preferred embodiment of the present invention.
图6：本发明最佳实施例的俯视图。Figure 6: Top view of the preferred embodiment of the present invention.
图7：本发明第二实施例的主视图。Figure 7: Front view of the second embodiment of the present invention.
其中。in.
具体实施方式Detailed ways
一种圆管型装订仪的引导装置，如图1、图2所示，圆管型装订仪与现有技术一致，包括钉砧组件（图中未示意）、钉仓组件11、设有刻度线14且固定于钉仓组件近端的弯管12，钉砧拉杆13可移动地设置在钉仓组件11内并用于与钉砧组件连接。A guide device for a circular tube type binding instrument, as shown in Figures 1 and 2, the circular tube type binding instrument is consistent with the prior art, including a nail anvil assembly (not shown in the figure), a staple magazine assembly 11, a scale The wire 14 is fixed to the elbow 12 at the proximal end of the staple cartridge assembly, and the nail anvil pull rod 13 is movably arranged in the staple cartridge assembly 11 and is used to connect with the nail anvil assembly.
引导装置为一圆管形的本体2和具有远端31和近端32的活动段3组成，活动段3成半球形，在活动段3的最远端开设有一圆孔33，如图1所示，引导装置的本体2包覆在钉仓组件11和部分弯管12的外周，当然也可以仅仅包覆在钉仓组件11的外周。The guiding device is a tubular body 2 and a movable section 3 with a distal end 31 and a proximal end 32. The movable section 3 is hemispherical, and a circular hole 33 is provided at the farthest end of the movable section 3, as shown in FIG. 1 As shown, the body 2 of the guiding device covers the outer periphery of the staple cartridge assembly 11 and part of the elbow 12 , and of course, it can only be covered on the outer periphery of the staple cartridge assembly 11 .
如图4、图5所示，本体2的活动段3由为内外层结构，外层34为本体2本身，为柔性薄膜材质，且具有很好的弹性，为了加强外层34的受压强度，在外层34内表面均匀固定设置12片加强肋35作为内层，所述的加强筋可以为塑胶材质，与柔性薄膜可以粘连或者注塑为一体。As shown in Figures 4 and 5, the movable section 3 of the body 2 is composed of an inner and outer layer structure, and the outer layer 34 is the body 2 itself, which is made of a flexible film material and has good elasticity. In order to strengthen the compressive strength of the outer layer 34 12 pieces of reinforcing ribs 35 are uniformly and fixedly arranged on the inner surface of the outer layer 34 as the inner layer. The reinforcing ribs can be made of plastic material, and can be bonded or injection-molded as one with the flexible film.
引导装置可在位于钉仓组件远端的第一位置与位于钉仓组件近端的第二位置之间移动。The guiding device is movable between a first position at the distal end of the cartridge assembly and a second position at the proximal end of the cartridge assembly.
第一位置是指引导装置在圆管型装订仪上初始状态时的位置；第二位置是指钉仓组件11进入人体后，进行后续常规的组织间连接手术时，引导装置所处的位置。The first position refers to the position of the guiding device in its initial state on the circular tube binding instrument; the second position refers to the position of the guiding device when the staple cartridge assembly 11 enters the human body and performs subsequent conventional inter-tissue connection surgery.
在钉仓组件11进入人体时，引导装置位于第一位置，如图1所示，此时，圆孔33直径比钉砧拉杆13的最大外径略小，使得钉砧拉杆13的远端卡在圆孔33内，给加强肋提供支持点，较硬加强肋35使得活动段3不会在受到组织的压力的时候向内凹，也能戳破组织为后续手术动作做准备。When the staple cartridge assembly 11 enters the human body, the guiding device is located at the first position, as shown in Figure 1, at this time, the diameter of the round hole 33 is slightly smaller than the maximum outer diameter of the nail anvil pull rod 13, so that the distal end of the nail anvil pull rod 13 is stuck In the round hole 33, a supporting point is provided for the reinforcing rib, and the harder reinforcing rib 35 prevents the movable section 3 from indenting when it is under the pressure of the tissue, and can also puncture the tissue to prepare for the subsequent operation.
而当钉仓组件11进入人体后，需要将引导装置从弯管近端拉出，使得引导装置达到圆孔33撑开时的第二位置，如图2所示，此时，圆孔33由于钉仓组件11的顶撑而撑开，当钉仓组件11从圆孔33中伸出时，由于本体2的材质，使得圆孔33有弹性的包覆在钉仓组件11的外周。 And when the staple cartridge assembly 11 enters the human body, the guide device needs to be pulled out from the proximal end of the elbow, so that the guide device reaches the second position when the round hole 33 is stretched, as shown in Figure 2, at this time, the round hole 33 is due to The staple cartridge assembly 11 is propped open, and when the staple cartridge assembly 11 protrudes from the circular hole 33 , the circular hole 33 elastically covers the outer periphery of the staple cartridge assembly 11 due to the material of the body 2 . the
为了方便操作者将引导装置向弯管近端移动，引导装置的近端设置成向外周发散的中空锥形导向沿4，同时，导向沿4表面还凸设有四圈突起41以增加摩擦力，从而更易拉动引导装置，如图1至图6所示。操作时，握住导向沿4将引导装置向操作者方向拉动，此时柔性薄膜的外层34由于有较好弹性，圆孔33被撑开足够使钉仓组件11通过，直至把引导装置拉到弯管12的刻度线14处停止动作。而之后的手术为现有技术中通常的方法，在此不再赘述。In order to facilitate the operator to move the guide device to the proximal end of the elbow, the proximal end of the guide device is set as a hollow tapered guide edge 4 that diverges to the outer periphery. At the same time, the surface of the guide edge 4 is also protruded with four rings of protrusions 41 to increase friction. , so that it is easier to pull the guiding device, as shown in Figures 1 to 6. During operation, hold the guide edge 4 and pull the guide device toward the operator. At this time, the outer layer 34 of the flexible film has better elasticity, and the round hole 33 is stretched enough to allow the staple cartridge assembly 11 to pass through until the guide device is pulled. Stop at the scale line 14 of the elbow 12. The subsequent operation is a common method in the prior art, and will not be repeated here.
以上仅为本发明最佳实施例，以下再分别简述本发明的第二实施例。The above are only the best embodiments of the present invention, and the second embodiment of the present invention will be briefly described below.
如图7所示，第二实施例与最佳实施例的引导装置结构大致相同，为一圆管形的本体2和与之连接的活动段3组成，引导装置的近端设置成向外周发散的中空锥形导向沿4，同时，导向沿4表面还凸设有四圈突起41以增加摩擦力，方便操作者使用。不同的是，活动段3为圆锥形，圆孔33开设在活动段3的最远端。这样的设置在降低成本的同时，也能很好的起到引导作用。As shown in Figure 7, the structure of the guide device of the second embodiment is roughly the same as that of the best embodiment, consisting of a circular tube-shaped body 2 and a movable section 3 connected thereto, and the proximal end of the guide device is arranged to diverge toward the outer periphery The hollow tapered guide edge 4, meanwhile, four circles of protrusions 41 are protruding from the surface of the guide edge 4 to increase the friction force, which is convenient for the operator to use. The difference is that the movable section 3 is conical, and the circular hole 33 is opened at the farthest end of the movable section 3 . Such a setting can play a good guiding role while reducing costs.
另外，需要说明的是，本申请所提到的近端是指靠近操作者的一端，远端反之。In addition, it should be noted that the proximal end mentioned in this application refers to the end close to the operator, and vice versa for the distal end.
本发明与现有技术相比具有以下优点：Compared with the prior art, the present invention has the following advantages:
（1）引导装置由于其圆滑的外表活动段，不仅帮助了操作者更顺利的将钉仓组件放入到组织，而且保护了人体组织，不会由于装订仪的端面过大而受损伤。(1) Due to its smooth outer movable section, the guide device not only helps the operator to put the staple cartridge assembly into the tissue more smoothly, but also protects the human tissue from being damaged due to the large end face of the binding instrument.
（2）本引导装置制造简单，成本低廉，值得被广泛的推广应用。(2) The guiding device is simple to manufacture and low in cost, and is worthy of being widely popularized and applied.
本发明尚有多种具体的实施方式，如现有技术中通过拉杆代替导向沿达到相同目的之类的等同替换或者等效变换而形成的所有技术方案，均落在本发明要求保护的范围之内。The present invention still has a variety of specific implementation modes, such as all technical solutions formed by equivalent replacement or equivalent transformation of the same purpose in the prior art by replacing the guide edge with the pull rod, all fall within the protection scope of the present invention Inside.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110243517.XACN102949239B (en) | 2011-08-24 | 2011-08-24 | Guide device of round tubular binding instrument |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110243517.XACN102949239B (en) | 2011-08-24 | 2011-08-24 | Guide device of round tubular binding instrument |
| Publication Number | Publication Date |
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| CN102949239A CN102949239A (en) | 2013-03-06 |
| CN102949239Btrue CN102949239B (en) | 2015-01-07 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110243517.XAActiveCN102949239B (en) | 2011-08-24 | 2011-08-24 | Guide device of round tubular binding instrument |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address | Address after:215021 No. 278 Dongping Street, Suzhou Industrial Park, Jiangsu Province Patentee after:Tianchen International Medical Technology Co., Ltd Address before:215021, 1355 international science and Technology Park, Jinji Lake Avenue, Suzhou Industrial Park, Jiangsu, 3 21A Patentee before:TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE Co.,Ltd. |