技术领域technical field
本发明涉及医疗器械领域，特别涉及一种具有凸台结构的钉仓的吻合器。The invention relates to the field of medical instruments, in particular to a stapler with a staple cartridge with a boss structure.
背景技术Background technique
腔镜切割吻合器用于腔镜和开放手术中，利用缝合钉对组织进行离断或吻合，替代手工缝合。通过在钉仓与抵钉座之间形成固定的成型间隙，将中间的组织压缩到一定厚度，驱动切割刀完成缝合钉的推出、成型以及组织的切断。由于组织具有一定的张力，在缝合过程中，切割刀对组织产生向前的推力，造成组织有一定的外滑量。Laparoscopic cutting and stapler is used in laparoscopic and open surgery, using staples to separate or anastomose tissues, instead of manual suturing. By forming a fixed forming gap between the staple cartridge and the anvil, the tissue in the middle is compressed to a certain thickness, and the cutting knife is driven to complete the push-out, forming and cutting of the tissue. Because the tissue has a certain tension, during the suturing process, the cutting knife generates a forward thrust on the tissue, resulting in a certain amount of outward sliding of the tissue.
现有技术中，有的吻合器产品钉仓的表面无抓持结构，组织外滑量大；有的吻合器产品的钉仓表面增加凸台结构，通过增大对组织的夹持力，来限制组织滑移，但现有技术是在钉仓表面增加圆点或其它凸台结构，组织外滑量减小，但不可避免地仍有少量的组织外滑，尤其在成型厚组织时，组织外滑量会增大；组织外滑带动缝合钉钉腿偏移，严重情况会造成缝合钉错位，导致成型不良。故有待提出一种新的具有凸台结构的钉仓的吻合器。In the prior art, some stapler products have no gripping structure on the surface of the staple cartridge, and the amount of tissue slippage is large; some stapler products have a boss structure on the surface of the staple cartridge, and by increasing the clamping force on the tissue, the To limit tissue slippage, but the existing technology is to add dots or other boss structures on the surface of the staple cartridge, the amount of tissue slippage is reduced, but there is still a small amount of tissue slippage, especially when forming thick tissue, the tissue The amount of slippage will increase; the slippage of the tissue will drive the legs of the staples to shift, and in severe cases, the staples will be misplaced, resulting in poor molding. Therefore, it is yet to be proposed a new stapler with a staple cartridge with a boss structure.
发明内容Contents of the invention
本发明提供了一种具有凸台结构的钉仓的吻合器，以至少解决现有技术中组织外滑量大以及对缝合钉的导向作用不足的技术问题。The present invention provides a stapler with a staple cartridge with a boss structure to at least solve the technical problems in the prior art of large amount of tissue sliding and insufficient guiding effect on staples.
本发明提供了一种具有凸台结构的钉仓的吻合器，上述钉仓具有多个钉槽，上述钉槽内放置缝合钉，上述钉槽一端的表面上具有凸台，上述凸台的外轮廓为弧形,上述凸台的内轮廓垂直于上述钉仓的上表面,上述凸台的内轮廓的中间为半圆柱孔，上述半圆柱孔的两侧为梯形槽结构。The invention provides a stapler with a staple cartridge with a boss structure. The staple cartridge has a plurality of nail grooves, and suture staples are placed in the nail grooves. There is a boss on the surface of one end of the nail groove, and the outer surface of the boss is The contour is arc-shaped, the inner contour of the above-mentioned boss is perpendicular to the upper surface of the above-mentioned staple cartridge, the middle of the inner contour of the above-mentioned boss is a semi-cylindrical hole, and the two sides of the above-mentioned semi-cylindrical hole are trapezoidal groove structures.
可选的,上述凸台的外轮廓为半圆锥形，上述凸台的内轮廓为包裹上述钉槽的形状。Optionally, the outer contour of the above-mentioned boss is semi-conical, and the inner contour of the above-mentioned boss is in the shape of wrapping the above-mentioned nail groove.
可选的,上述凸台沿上述钉槽的长向中心线呈对称分布。Optionally, the bosses are symmetrically distributed along the long centerline of the nail groove.
可选的,上述钉槽另一端的表面上具有上述凸台。Optionally, the surface of the other end of the above-mentioned nail groove has the above-mentioned boss.
可选的,上述钉槽两端的表面上的上述凸台的弧度呈括号形。Optionally, the arcs of the bosses on the surfaces at both ends of the nail grooves are in the shape of brackets.
可选的,上述半圆柱孔的直径大于或等于上述缝合钉的钉腿的直径。Optionally, the diameter of the above-mentioned semi-cylindrical hole is greater than or equal to the diameter of the legs of the above-mentioned staple.
可选的,相邻上述钉槽表面上的上述凸台连成弧形波浪凸台。Optionally, the above-mentioned bosses on the surfaces adjacent to the above-mentioned nail grooves are connected to form arc-shaped wavy bosses.
可选的,上述弧形波浪凸台中的上述凸台之间的间隔相等。Optionally, the intervals between the above-mentioned bosses in the above-mentioned arc-shaped wavy bosses are equal.
可选的,上述凸台的高度为0.2毫米至1.5毫米。Optionally, the height of the boss is 0.2 mm to 1.5 mm.
可选的,上述吻合器为管型吻合器、直线切割吻合器、腔镜切割吻合器、弧形吻合器、直线型吻合器、包皮环切吻合器或皮肤吻合器。Optionally, the aforementioned stapler is a tubular stapler, linear cutting stapler, endoscopic cutting stapler, curved stapler, linear stapler, circumcision stapler or skin stapler.
本发明提供了一种具有凸台结构的钉仓的吻合器，在成型时，除了能够有效限制组织滑移外，还能对缝合钉成型有明显的导向作用。本发明最重要的发明点在于设计了更利于夹持组织和具有导向功能的凸台结构。本发明从吻合器的实际用途出发，考虑到吻合器在成型厚组织时可能遇到的问题，将减小组织外滑和解决组织外滑造成的成型问题结合在一起，设计一种结构解决两个问题。本发明的优点在于：除了能够提供给组织有效的夹持力，最大减小组织的外滑量外，还能对缝合钉成型有明显导向作用，尤其在成型厚组织时，能保证缝合钉顺利进入抵钉座钉槽，不发生偏移错位，保证缝合钉成型良好。The invention provides a stapler with a staple cartridge with a boss structure, which can not only effectively limit tissue slippage during forming, but also have an obvious guiding effect on the forming of staples. The most important invention point of the present invention is to design a boss structure that is more conducive to clamping tissues and has a guiding function. The present invention starts from the actual use of the stapler, and considers the problems that the stapler may encounter when forming thick tissues, combines the reduction of tissue slippage and the solution of the forming problems caused by tissue slippage, and designs a structure to solve the two problems. question. The advantages of the present invention are: besides being able to provide effective clamping force for the tissue and reducing the slippage of the tissue to the greatest extent, it can also have an obvious guiding effect on the forming of the staple, especially when forming thick tissue, it can ensure that the staple is smooth. Entering the nail groove of the anvil, no offset and dislocation will occur, ensuring that the staples are well formed.
附图说明Description of drawings
图1为本发明实施例1提供的一种可选的具有凸台结构的钉仓示意图；FIG. 1 is a schematic diagram of an optional staple cartridge with a boss structure provided by Embodiment 1 of the present invention;
图2为本发明实施例1提供的一种可选的具有凸台结构的钉仓俯视示意图；Fig. 2 is a schematic top view of an optional staple cartridge with a boss structure provided by Embodiment 1 of the present invention;
图3为本发明实施例1提供的一种可选的具有凸台结构的钉仓的包含一个钉槽的局部示意图；FIG. 3 is a partial schematic view of an optional nail cartridge with a boss structure provided in Embodiment 1 of the present invention including a nail groove;
图4为本发明实施例1提供的一种可选的具有凸台结构的钉仓局部俯视示意图；Fig. 4 is a schematic partial top view of an optional staple cartridge with a boss structure provided by Embodiment 1 of the present invention;
图5为本发明实施例1提供的一种可选的具有凸台结构的钉槽示意图；Fig. 5 is a schematic diagram of an optional nail groove with a boss structure provided by Embodiment 1 of the present invention;
图6为本发明实施例1提供的一种可选的具有凸台结构的钉槽剖面示意图；Fig. 6 is a schematic cross-sectional view of an optional nail groove with a boss structure provided by Embodiment 1 of the present invention;
图7为本发明实施例1提供的一种可选的具有凸台结构的钉仓的吻合器的内部局部示意图；Fig. 7 is an internal partial schematic diagram of an optional staple cartridge with a boss structure provided by Embodiment 1 of the present invention;
图8为本发明实施例1提供的一种可选的具有凸台结构的包含缝合钉的钉槽示意图；Fig. 8 is a schematic diagram of an optional nail groove containing a staple with a boss structure provided by Embodiment 1 of the present invention;
图9为图8的剖面示意图；Fig. 9 is a schematic cross-sectional view of Fig. 8;
图10为本发明实施例1提供的一种可选的吻合器的局部示意图。FIG. 10 is a partial schematic diagram of an optional stapler provided in Embodiment 1 of the present invention.
下面具体实施方式用于进一步说明但不限于本发明，下面实施例仅为本发明一种优选地实施方式。The following specific embodiments are used to further illustrate but not limit the present invention, and the following example is only a preferred embodiment of the present invention.
具体实施方式Detailed ways
实施例1：Example 1:
本实施例如图1至10所示。This embodiment is shown in Figures 1 to 10.
本发明实施例提供了一种具有凸台结构的钉仓的吻合器，如图10所示，上述具有凸台结构的钉仓如图1及图2所示，上述钉仓1具有多个如图3所示的钉槽12，上述钉槽12内放置如图6所示的缝合钉2，上述钉槽12一端的表面上具有凸台11，上述凸台11的外轮廓为弧形,上述凸台11的内轮廓垂直于上述钉仓1的上表面,上述凸台11的内轮廓的中间为如图4所示的半圆柱孔111，上述半圆柱孔111的两侧为梯形槽结构。上述凸台11的外轮廓为弧形,弧形的凸起更有抓持力。上述凸台11的内轮廓的中间为半圆柱孔111,对缝合钉运动起导向作用，半圆柱孔两侧为梯形槽结构，完全包裹上述钉仓1的上述钉槽12轮廓,以使上述缝合钉的一端在上述凸台12内滑动。An embodiment of the present invention provides a stapler with a staple cartridge with a boss structure. As shown in FIG. 10 , the staple cartridge with a boss structure is shown in FIGS. 1 and 2 . The nail groove 12 shown in Fig. 3, the suture nail 2 shown in Figure 6 is placed in the above-mentioned nail groove 12, the surface at one end of the above-mentioned nail groove 12 has a boss 11, and the outer contour of the above-mentioned boss 11 is arc-shaped, and the above-mentioned The inner contour of the boss 11 is perpendicular to the upper surface of the above-mentioned staple cartridge 1, and the middle of the inner contour of the boss 11 is a semi-cylindrical hole 111 as shown in FIG. The outer contour of the boss 11 is arc-shaped, and the arc-shaped protrusion has more gripping force. The middle of the inner contour of the above-mentioned boss 11 is a semi-cylindrical hole 111, which guides the movement of the staples. The two sides of the semi-cylindrical hole are trapezoidal groove structures, which completely wrap the outline of the above-mentioned nail groove 12 of the above-mentioned staple cartridge 1, so that the above-mentioned suture One end of the nail slides in the above-mentioned boss 12 .
如图5及图6所示，上述凸台11的内轮廓为完全包裹上述钉仓1的上述钉槽12的形状，上述缝合钉2安装到上述钉仓1的上述钉槽12内，上述缝合钉2的尖端可以与上述凸台11的上平面平齐，上述缝合钉2的两条钉腿搭在上述凸台11的如图4所示的半圆柱孔111内。As shown in Figure 5 and Figure 6, the inner contour of the above-mentioned boss 11 is in the shape of completely wrapping the above-mentioned nail groove 12 of the above-mentioned staple cartridge 1, and the above-mentioned staples 2 are installed in the above-mentioned nail groove 12 of the above-mentioned staple cartridge 1, and the above-mentioned suture The tip of the staple 2 can be flush with the upper plane of the above-mentioned boss 11, and the two legs of the above-mentioned staple 2 ride on the semi-cylindrical hole 111 of the above-mentioned boss 11 as shown in FIG. 4 .
可选的,上述凸台11的外轮廓为半圆锥形。Optionally, the outer contour of the boss 11 is semi-conical.
可选的,如图4所示，上述凸台11沿上述钉槽12的长向中心线121呈对称分布。Optionally, as shown in FIG. 4 , the bosses 11 are distributed symmetrically along the longitudinal centerline 121 of the nail groove 12 .
可选的,上述钉槽12另一端的表面上具有上述凸台11。即上述钉槽12可以只有一端的表面上具有上述凸台11,也可以两端都同时具有上述凸台11。Optionally, the above-mentioned boss 11 is provided on the surface of the other end of the above-mentioned nail groove 12 . That is, the above-mentioned nail groove 12 may only have the above-mentioned boss 11 on the surface of one end, or both ends may have the above-mentioned boss 11 at the same time.
可选的,上述钉槽12两端的表面上的上述凸台11的弧度呈括号形。Optionally, the arcs of the bosses 11 on the surfaces at both ends of the nail groove 12 are in the shape of brackets.
可选的,上述半圆柱孔111的直径大于或等于上述缝合钉2的钉腿的直径。Optionally, the diameter of the above-mentioned semi-cylindrical hole 111 is greater than or equal to the diameter of the legs of the above-mentioned staple 2 .
可选的,相邻上述钉槽12表面上的上述凸台11连成弧形波浪凸台，如图2所示，上述弧形波浪凸台的弧度类似轮胎，抓持力更好。Optionally, the above-mentioned bosses 11 on the surface adjacent to the above-mentioned nail grooves 12 are connected to form an arc-shaped wavy boss, as shown in FIG. 2 , the curvature of the above-mentioned arc-shaped wavy boss is similar to a tire, and the gripping force is better.
可选的,如图2所示，上述弧形波浪凸台中的上述凸台11之间的间隔相等。Optionally, as shown in FIG. 2 , the intervals between the above-mentioned bosses 11 in the above-mentioned arc-shaped wave bosses are equal.
可选的,上述凸台11的高度为0.2毫米mm至1.5毫米mm。Optionally, the height of the boss 11 is 0.2 mm to 1.5 mm.
可选的,上述吻合器为管型吻合器、直线切割吻合器、腔镜切割吻合器、弧形吻合器、直线型吻合器、包皮环切吻合器或皮肤吻合器。Optionally, the aforementioned stapler is a tubular stapler, linear cutting stapler, endoscopic cutting stapler, curved stapler, linear stapler, circumcision stapler or skin stapler.
工作原理如下：It works as follows:
第一步，吻合器装载钉匣，如图7所示，在上述钉仓1与上述抵钉座3之间形成固定的成型间隙，将中间的组织压缩到一定厚度。上述钉仓1上表面为半圆锥形凸台结构11，位于上述钉仓1与上述抵钉座3之间，相比其它凸台结构，可以对组织施加更大的压强，可对组织进一步压缩，提供更大的夹持力，有效限制成型过程中组织的外滑量。In the first step, the stapler is loaded with a nail magazine. As shown in FIG. 7 , a fixed forming gap is formed between the above-mentioned staple magazine 1 and the above-mentioned nail anvil 3 to compress the middle tissue to a certain thickness. The upper surface of the above-mentioned staple cartridge 1 is a semi-conical boss structure 11, which is located between the above-mentioned staple cartridge 1 and the above-mentioned nail anvil 3. Compared with other boss structures, it can exert greater pressure on the tissue and further compress the tissue , providing greater clamping force, effectively limiting the amount of tissue slippage during the molding process.
第二步，吻合器击发成型时，如图7、图8及图9所示，上述缝合钉2由上述钉槽12推出上述钉仓1的表面。上述凸台11的内轮廓具有垂直于上述钉仓1上表面的如图4所示的半圆柱孔111，可以对上述缝合钉2起到良好的导向作用，使上述缝合钉2可以更顺利地进入上述抵钉座3的钉槽内，同时减小组织外滑对上述缝合钉2运动的冲击，有效减小上述缝合钉2成型时组织外滑造成的钉腿偏移，保证上述缝合钉2成型良好。In the second step, when the stapler is fired and formed, as shown in FIG. 7 , FIG. 8 and FIG. 9 , the above-mentioned staples 2 are pushed out from the surface of the above-mentioned staple cartridge 1 through the above-mentioned nail grooves 12 . The inner contour of the above-mentioned boss 11 has a semi-cylindrical hole 111 as shown in FIG. enter the nail groove of the above-mentioned nail anvil 3, and at the same time reduce the impact of the outward sliding of the tissue on the movement of the above-mentioned staple 2, and effectively reduce the deviation of the nail legs caused by the outward sliding of the above-mentioned staple 2 when the tissue is formed, ensuring that the above-mentioned staple 2 Well formed.
本发明实施例除了能够提供给组织有效的夹持力，最大减小组织的外滑量外，还能对缝合钉成型有明显导向作用，尤其在成型厚组织时，能保证缝合钉顺利进入抵钉座钉槽，不发生偏移错位，保证缝合钉成型良好。The embodiment of the present invention can not only provide effective clamping force to the tissue and minimize the outward slippage of the tissue, but also have an obvious guiding effect on the forming of the staple, especially when forming thick tissue, it can ensure that the staple enters the resistance smoothly. Nail seat and nail groove, no offset and misalignment, ensuring good staple formation.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268515.8ACN108542454A (en) | 2018-03-29 | 2018-03-29 | A kind of stapler of the nail bin with boss structure |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810268515.8ACN108542454A (en) | 2018-03-29 | 2018-03-29 | A kind of stapler of the nail bin with boss structure |
| Publication Number | Publication Date |
|---|---|
| CN108542454Atrue CN108542454A (en) | 2018-09-18 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810268515.8APendingCN108542454A (en) | 2018-03-29 | 2018-03-29 | A kind of stapler of the nail bin with boss structure |
| Country | Link |
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| CN (1) | CN108542454A (en) |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication | Application publication date:20180918 |