WO2015101184A1 - 直线缝合切割装置 - Google Patents

直线缝合切割装置 Download PDF

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Publication number
WO2015101184A1
WO2015101184A1 PCT/CN2014/094365 CN2014094365W WO2015101184A1 WO 2015101184 A1 WO2015101184 A1 WO 2015101184A1 CN 2014094365 W CN2014094365 W CN 2014094365W WO 2015101184 A1 WO2015101184 A1 WO 2015101184A1
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WO
WIPO (PCT)
Prior art keywords
staple cartridge
nail
anvil
pusher
cutting device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2014/094365
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English (en)
French (fr)
Inventor
陈望东
单腾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Touchstone International Medical Science Co Ltd
Original Assignee
Touchstone International Medical Science Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201320885569.1U external-priority patent/CN203634229U/zh
Priority claimed from CN201310747332.1A external-priority patent/CN103750872B/zh
Application filed by Touchstone International Medical Science Co Ltd filed Critical Touchstone International Medical Science Co Ltd
Priority to US15/108,915 priority Critical patent/US20160324519A1/en
Priority to JP2016542994A priority patent/JP6207750B2/ja
Priority to EP14877006.8A priority patent/EP3090689A4/en
Publication of WO2015101184A1 publication Critical patent/WO2015101184A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/0682—Surgical staplers, e.g. containing multiple staples or clamps for applying U-shaped staples or clamps, e.g. without a forming anvil
    • A61B17/0684—Surgical staplers, e.g. containing multiple staples or clamps for applying U-shaped staples or clamps, e.g. without a forming anvil having a forming anvil staying above the tissue during stapling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B2017/07214—Stapler heads
    • A61B2017/07257—Stapler heads characterised by its anvil
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B2017/07214—Stapler heads
    • A61B2017/07271—Stapler heads characterised by its cartridge

Definitions

  • the invention belongs to the technical field of medical device manufacturing, and in particular relates to a linear suture cutting device.
  • the end of the firing piece is generally formed into a wedge shape to promote a better guiding action on the pushing piece, thereby causing a problem that Since the nail hole is vertically disposed, and the wedge portion on the firing piece is engaged with the nail piece, an inclined pushing force is applied, so that when the nail piece moves in the nail hole, the side in the hole of the nail box The greater force between the walls increases the difficulty of the staples being pushed out.
  • the present invention provides a linear suture cutting device comprising: an upper jaw and a lower jaw that can be closed or opened to each other; the upper jaw includes an anvil; and the lower jaw includes a staple holder
  • the staple cartridge frame is detachably provided with a staple cartridge, and the staple cartridge is arranged with a staple cartridge hole penetrating through the working surface thereof, and a push pin disposed in the nail cartridge hole and slidable relative thereto a slidable piece is provided in the cartridge holder, the firing piece has a wedge-shaped pusher portion that can drive the pusher piece to slide in the hole of the staple cartridge, the staple cartridge hole is oriented The distal end of the staple cartridge is obliquely disposed.
  • the firing piece moves distally from a proximal end of the staple cartridge, the wedge-shaped pusher portion having a pusher surface that cooperates with the pusher piece, the pusher face being far away The end is tilted up to the proximal end.
  • the staple cartridge hole is disposed perpendicular to the pusher surface.
  • each of the staple cartridge holes is an ascending slope in a direction in which the distal end of the staple cartridge extends toward the proximal end.
  • the anvil includes a first anvil unit, and a second anvil unit respectively fixed to both sides of the first anvil unit, and the first anvil unit and the first The two anvil units are manufactured separately.
  • the staple cartridge includes all of the sipe disposed along its longitudinal axis, the staple cartridge apertures of adjacent columns on either side of the cutter slot being staggered.
  • the staple cartridge holes on both sides of the cutter groove are symmetrically arranged to each other.
  • the anvil has an anvil forming surface opposite to the staple cartridge, wherein the anvil forming surface of the first anvil unit and the anvil forming surface of the second anvil unit are waved shape.
  • the anvil forming surface is configured to be inseparable from the working surface of the staple cartridge Hehe.
  • a linear suture cutting device comprising an upper jaw and a lower jaw which can be closed or opened to each other, the upper jaw comprising an anvil, the lower jaw comprising a staple cartridge a magazine, the cartridge magazine is detachably provided with a staple cartridge, the cartridge chamber is arranged with a nail cartridge hole penetrating through the working surface thereof, and a pusher disposed in the nail cartridge hole and slidable relative thereto a nail piece, wherein the nail holder frame is further slidably provided with a firing piece having a wedge-shaped nail pushing portion that can drive the nail piece to slide in the nail hole of the nail cartridge, wherein
  • the staple cartridge aperture is configured such that when the wedge pusher portion drives the pusher tab to slide within the staple cartridge aperture, the pusher tab is subjected to a thrust direction that coincides with the direction in which the staple cartridge aperture extends.
  • the staple cartridge aperture is disposed obliquely to the distal or proximal end of the staple cartridge.
  • the wedge pusher portion has a pusher face engageable with the pusher piece, the staple cartridge hole being disposed perpendicular to the pusher face.
  • the present invention provides a linear suture cutting device by arranging the staple cartridge holes in the staple cartridge to be inclined toward the distal end of the staple cartridge, when the pusher tabs in the staple cartridge holes are pushed.
  • the direction of the force is consistent with the extending direction of the nail hole, and the pusher piece does not generate a large frictional force with the inner wall of the nail hole, so that the pusher piece can be pushed more smoothly, which reduces the difficulty of surgery.
  • FIG. 1 is a schematic structural view of an embodiment of a linear suture cutting device of the present invention
  • Figure 2 is an enlarged schematic view showing a portion of the structure inside the broken line frame of Figure 1;
  • FIG. 3 is a partial cross-sectional view showing a staple cartridge in an embodiment of the linear suture cutting device of the present invention
  • Figure 4 is a plan view of a staple cartridge in an embodiment of the linear suture cutting device of the present invention.
  • Figure 5 is a schematic view showing the structure of an anvil in an embodiment of the linear suture cutting device of the present invention.
  • Figure 6 is an enlarged schematic view showing a portion of the structure inside the broken line frame of Figure 5.
  • the linear suture cutting device 100 includes an upper jaw 101 and a lower jaw 102 that can be closed or opened to each other. It should be noted that the terms “upper” and “lower” as used herein do not denote absolute distinctions in position, but merely for convenience of description.
  • the upper jaw 101 includes an anvil 10
  • the lower jaw 102 includes a staple cartridge holder 103 that is removably disposed on the cartridge holder 103 With the staple cartridge 20, the upper jaw 101 and the lower jaw 102 can be closed relative to each other to clamp the target tissue between the anvil 10 and the staple cartridge 20.
  • the nail holder 103 is also movably provided with a pusher bar (not shown) and a cutter (not shown) placed at the distal end of the pusher bar.
  • the cutter can be self-clamped by the pusher bar 20
  • the proximal end moves distally to break the target tissue placed between the anvil 10 and the staple cartridge 20; at the same time, the staple cartridge 20 is also arranged with a staple cartridge hole 21 extending through the working surface thereof, and placed in the staple cartridge hole a pusher piece 40 that is slidable relative to the inside of the staple cartridge frame 103.
  • a firing piece 30 is slidably disposed in the staple cartridge frame 103.
  • the firing piece 30 has a wedge-shaped push pin that can drive the push pin piece 40 to slide in the staple cartridge hole 21.
  • the staple cartridge hole 21 is disposed obliquely to the distal end of the staple cartridge 20. Since the mating surface of the wedge nail pushing portion 31 and the push nail piece 40 is the inclined nail pushing surface 32, the pushing nail surface 32 is inclined upward from the distal end toward the proximal end, and when the wedge nail pushing portion 31 moves from the proximal end to the distal end It pushes the pusher piece 40 to move, and the urging force exerted on the pusher piece 40 is also substantially inclined. By arranging the staple cartridge hole 21 to be inclined toward the distal end of the staple cartridge 20, the pusher piece 40 can be reduced. The force acting differently from the direction in which the staple cartridge holes 21 extend reduces the frictional force with the inner wall of the staple cartridge hole 21 when the pusher blade 40 is moved, so that the pusher tab 40 can be pushed out more smoothly.
  • the wedge pusher portion 31 has a pusher surface 32 engageable with the pusher tab 40, and the pusher face 32 directly acts on the pusher tab 40 and applies a force perpendicular to the pusher surface 32 to the pusher tab 40.
  • the staple cartridge hole 21 is disposed perpendicular to the nail pushing surface 32, that is, the thrust direction of the nail pushing piece 40 is ensured to coincide with the extending direction of the nail cartridge hole 21, to the greatest extent. The friction between the pusher piece 40 and the inner wall of the staple cartridge hole 21 during movement is reduced to provide optimum pusher smoothness.
  • the opposite faces of the anvil and the staple cartridge are designed to be relatively flat, and the target tissue held between the anvil and the staple cartridge may slip to some extent when the surgeon is operated. And offset.
  • the upper end surface 211 of each of the staple cartridge holes 21 is a rising slope in the direction in which the distal end of the staple cartridge 20 extends toward the proximal end (ie, it is between the bottom of the staple cartridge 20 and the bottom of the staple cartridge 20). The distance is gradually increased.
  • the working surface of the staple cartridge 20 (i.e., the surface on which the staple cartridge holes are located) is correspondingly configured to be non-flat, so that the target tissue can be more securely clamped to the anvil 10 and the staple cartridge At the same time, such a design also fits the setting in which the staple cartridge hole 21 is inclined toward the distal end of the staple cartridge 20 in the present embodiment.
  • the upper end surface of the staple cartridge aperture may be placed in other forms of tilting to achieve a similar technical effect to the present embodiment, such as tilting the staple cartridge aperture 21 toward the proximal end of the staple cartridge 20.
  • the firing piece 30 is moved proximally from the distal end of the staple cartridge 20, and the wedge pusher portion 31 has a pusher surface 32 that cooperates with the pusher piece, the pusher face 32 being remote
  • the end is inclined downwardly at the proximal end, so that the technical effect of reducing the frictional force with the inner wall of the nail cartridge hole when the pusher piece is moved can be achieved.
  • these transformations should be considered as equivalent transformations made in the technical improvement of the present invention, and should still fall within the scope of the present invention.
  • the staple cartridge 20 includes all of the sipe 22 disposed along its longitudinal axis.
  • the staple cartridge apertures 21 are adjacently disposed on either side of the cutter slot 22, such that the arrangement is also for the staple cartridge 20 When the anvil 10 is closed, the target tissue is better clamped and stitched.
  • the anvil 10 includes a first anvil unit 11, and a second anvil unit 12 respectively fixed to the two sides of the first anvil unit 11, the first nail
  • the anvil unit 11 and the second anvil unit 12 are manufactured separately.
  • the staple cartridge 10 having four rows of staple cartridge holes 21 is taken as an example, and the anvil 10 is correspondingly disposed to include a first anvil unit 11 and two second anvils.
  • Unit 12 in a further alternative embodiment, such as a linear suture cutting device having six rows of staple cartridge holes, requires a correspondingly larger number of second anvil units.
  • the staple cartridge holes of adjacent rows on either side of the cutter groove 22 are alternately arranged.
  • the anvil is divided into a first anvil unit and a second anvil unit.
  • Body manufacturing, in actual production, the first anvil unit 11 and the second anvil unit 12 manufactured separately can be assembled by subsequent positioning welding, and the assembly is convenient.
  • the staple cartridge holes 21 on both sides of the cutter groove 22 are symmetrically arranged with each other, and such an arrangement can correspondingly reduce the molding difficulty of the first anvil unit 11.
  • the anvil 10 has an anvil forming surface opposite to the staple cartridge 20, wherein the anvil forming surface 111 of the first anvil unit 11 and the anvil forming surface 121 of the second anvil unit 12 are wavy, the staple cartridge 20 and the nail
  • the overall undulating arrangement of the anvil 10 is regular and uniform with respect to the surface, as shown in Fig. 2, and the anvil forming surface is configured to be engaged with the working surface of the staple cartridge 20 to minimize the extrusion effect and optimize the target. The clamping action of the tissue.
  • the linear suture cutting device provided by the present invention sets the nail hole in the staple cartridge to be inclined toward the distal end of the staple cartridge, and the push nail in the nail cartridge hole
  • the direction of the force is the same as the direction in which the nail hole extends.
  • the push piece does not generate a large frictional force with the inner wall of the nail hole, so that the push piece can be pushed more smoothly.
  • the difficulty of surgery is small.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

一种直线缝合切割装置（100），包括可互相闭合或打开的上钳夹（101）、下钳夹（102）。上钳夹（101）包括钉砧（10）。下钳夹（102）包括钉仓架（103），钉仓架（103）上可拆卸地设置有钉仓（20）。钉仓（20）内排列设置有贯穿其表面的钉仓孔（21）以及置于钉仓孔（21）内并可与之相对滑动的推钉片（40）。钉仓架（103）内还可滑动地设置有击发片（30），击发片（30）具有可驱动推钉片（40）在钉仓孔（21）内滑动的楔形推钉部（31）。钉仓孔（21）呈向钉仓（20）的远端倾斜设置，这样，当钉仓孔（21）内的推钉片（40）被推动时，其受力方向与钉仓孔（21）的延伸方向一致，推钉片（40）不会与钉仓孔（21）的内壁产生较大的摩擦作用力，使得推钉片（40）可以更为顺畅地被推动，减小了手术难度。

Description

直线缝合切割装置 技术领域
本发明属于医疗器械制造技术领域，具体涉及一种直线缝合切割装置。
背景技术
现有技术中，为了使击发片与推钉片间的配合良好，击发片的端部通常做成楔形，以对推钉片推动起一较好的引导作用，由此带来的问题是，由于钉仓孔是竖直设置的，而击发片上的楔形部分与推钉片配合时会施加一倾斜的推动力，如此，推钉片在钉仓孔内运动时，与钉仓孔内的侧壁间作用力较大，增加了缝合钉被推出的难度。
发明内容
本发明的目的在于提供一种直线缝合切割装置，其可以使缝合钉被更加轻易地在钉仓孔内移动。
为实现上述发明目的，本发明提供一种直线缝合切割装置，包括：可互相闭合或打开的上钳夹和下钳夹；所述上钳夹包括钉砧；所述下钳夹包括钉仓架，所述钉仓架上可拆卸地设置有钉仓，所述钉仓内排列设置有贯穿其工作表面的钉仓孔、及置于所述钉仓孔内并可与之相对滑动的推钉片，所述钉仓架内还可滑动地设置有击发片，所述击发片具有可驱动所述推钉片在所述钉仓孔内滑动的楔形推钉部，所述钉仓孔呈向所述钉仓的远端倾斜设置。
作为本发明进一步的改进，所述击发片自所述钉仓的近端向远端运动，所述楔形推钉部具有与所述推钉片配合的推钉面，所述推钉面自远端向近端上升式倾斜。
作为本发明进一步的改进，所述钉仓孔与所述推钉面垂直设置。
作为本发明进一步的改进，在所述钉仓的远端向近端延伸的方向上，各所述钉仓孔的上端面为上升式斜面。
作为本发明进一步的改进，所述钉砧包括第一钉砧单元、以及分别固定于所述第一钉砧单元两侧的第二钉砧单元，且所述第一钉砧单元和所述第二钉砧单元分体制造。
作为本发明进一步的改进，所述钉仓包括沿其纵长轴设置的一切刀槽，所述切刀槽任意一侧相邻列的所述钉仓孔交错设置。
作为本发明进一步的改进，所述切刀槽两侧的钉仓孔彼此对称设置。
作为本发明进一步的改进，所述钉砧具有与所述钉仓相对的钉砧成型面，其中所述第一钉砧单元的钉砧成型面和第二钉砧单元的钉砧成型面呈波浪形。
作为本发明进一步的改进，所述钉砧成型面被构造为可与所述钉仓的工作表面彼此啮 合。
上述发明目的还可以通过以下方法实现，提供一种直线缝合切割装置，包括可互相闭合或打开的上钳夹和下钳夹，所述上钳夹包括钉砧，所述下钳夹包括钉仓架，所述钉仓架上可拆卸地设置有钉仓，所述钉仓内排列设置有贯穿其工作表面的钉仓孔、及置于所述钉仓孔内并可与之相对滑动的推钉片，所述钉仓架内还可滑动地设置有击发片，所述击发片具有可驱动所述推钉片在所述钉仓孔内滑动的楔形推钉部，其特征在于，所述钉仓孔被如此构造以使所述楔形推钉部驱动所述推钉片在所述钉仓孔内滑动时，所述推钉片受到的推力方向与所述钉仓孔的延伸方向一致。
作为本发明进一步的改进，所述钉仓孔呈向所述钉仓的远端或近端倾斜设置。
作为本发明进一步的改进，所述楔形推钉部具有可与所述推钉片配合的推钉面，所述钉仓孔与所述推钉面垂直设置。
与现有技术相比，本发明提供的直线缝合切割装置通过将钉仓内的钉仓孔设置为呈向所述钉仓的远端倾斜，当钉仓孔内的推钉片被推动时，其受力方向与钉仓孔的延伸方向一致，推钉片不会与钉仓孔的内壁产生较大的摩擦作用力，使得推钉片可以更为顺畅的被推动，减小了手术难度。
附图说明
图1是本发明直线缝合切割装置一实施方式的结构示意图；
图2是图1中虚线框内部分结构的放大示意图；
图3是本发明直线缝合切割装置一实施方式中钉仓的部分剖视示意图；
图4是本发明直线缝合切割装置一实施方式中钉仓的俯视图；
图5是本发明直线缝合切割装置一实施方式中钉砧的结构示意图；
图6是图5中虚线框内部分结构的放大示意图。
具体实施方式
以下将结合附图所示的具体实施方式对本发明进行详细描述。但这些实施方式并不限制本发明，本领域的普通技术人员根据这些实施方式所做出的结构、方法、或功能上的变换均包含在本发明的保护范围内。
本发明内所描述的表达位置与方向的词，均是以器械操作者作为参照，靠近操作者的一端为近端，远离操作者的一端为远端。
参照图1至图3，介绍本发明直线缝合切割装置100的一具体实施方式。在本实施方式中，该直线缝合切割装置100包括可互相闭合或打开的上钳夹101、下钳夹102。需要说明的是，这里所说的“上”、“下”并不代表位置上的绝对区分关系，而仅仅是为了描述的方便。
上钳夹101包括钉砧10，下钳夹102包括钉仓架103，该钉仓架103上可拆卸地设置 有钉仓20，上钳夹101、下钳夹102可彼此相对闭合以将目标组织夹持于钉砧10和钉仓20之间。钉仓架103内还可移动地设置有推刀杆(图未示)及置于推刀杆远端的切刀(图未示)，切刀可在推刀杆的作用下自钉仓20的近端向远端运动以离断置于钉砧10和钉仓20之间的目标组织；同时钉仓20内还排列设置有贯穿其工作表面的钉仓孔21、及置于钉仓孔21内并可与之相对滑动的推钉片40，钉仓架103内可滑动地设置有击发片30，该击发片30具有可驱动推钉片40在钉仓孔21内滑动的楔形推钉部31，当击发片30在动力机构的作用下自钉仓20的近端向远端运动时，其上的楔形推钉部31将推钉片40沿钉仓孔21推动，以击发缝合钉对组织进行缝合。
在本实施方式中，钉仓孔21呈向钉仓20的远端倾斜设置。由于楔形推钉部31与推钉片40的配合面为倾斜的推钉面32，推钉面32自远端向近端上升式倾斜，在楔形推钉部31自近端向远端运动时，其推动推钉片40运动，施加在推钉片40上的推动力实质上也是倾斜的，通过将钉仓孔21设置为向钉仓20的远端倾斜，可以减小推钉片40受到的与钉仓孔21延伸方向不同向的作用力，减小了推钉片40运动时与钉仓孔21内壁的摩擦力，使得推钉片40可以被更加顺畅的推出。
楔形推钉部31具有可与推钉片40配合的推钉面32，该推钉面32与推钉片40直接作用并向推钉片40施加与推钉面32垂直的作用力。作为优选的实施方式，在本实施方式中，钉仓孔21与该推钉面32垂直设置，也即，保证推钉片40受到的推力方向与钉仓孔21的延伸方向一致，最大程度地减小推钉片40运动时与钉仓孔21内壁之间的摩擦力，以提供最佳的推钉顺畅度。
在通常的直线缝合切割装置中，钉砧和钉仓的相对面被设计为相对平整的，当医生手术时，被夹持在钉砧和钉仓之间的目标组织可能会发生一定程度的滑动和偏移。为了克服上述不利，在本实施方式中，在钉仓20的远端向近端延伸的方向上，每个钉仓孔21的上端面211为上升式斜面(即其与钉仓20底部间的距离逐渐增大)，如此，钉仓20的工作表面(也即钉仓孔所在的表面)被相应构造为非平整状态，这样可以使得目标组织被更加牢靠地夹持于钉砧10和钉仓20之间；同时，这样的设计也契合本实施方式中钉仓孔21向钉仓20远端倾斜的设置。
在替换的实施方式中，可能会将钉仓孔的上端面设置为其它形式的倾斜状态，以达到与本实施方式类似的技术效果，例如将钉仓孔21呈向钉仓20的近端倾斜设置，所述击发片30自所述钉仓20的远端向近端运动，所述楔形推钉部31具有与所述推钉片配合的推钉面32，所述推钉面32自远端向近端下降式倾斜，如此同样可以达到减小推钉片运动时与钉仓孔内壁的摩擦力的技术效果。但这些变换都应当视为在本发明技术改进上所做的等同变换，其仍应当属于本发明的保护范围之内。
配合参照图4，钉仓20包括沿其纵长轴设置的一切刀槽22，该切刀槽22任意一侧相邻列的钉仓孔21交错设置，这样的设置同样是为了当钉仓20和钉砧10闭合时，对目标组织起到更好的夹持效果和缝合效果。
参图5和图6，特殊地，在本实施方式中，钉砧10包括第一钉砧单元11、以及分别固定于第一钉砧单元11两侧的第二钉砧单元12，第一钉砧单元11和第二钉砧单元12分体制造。需要说明的是，在本实施方式中，是以具有4列钉仓孔21的钉仓20为例，将钉砧10对应地设置为包括一个第一钉砧单元11和两个第二钉砧单元12，在更多替换的实施方式中，例如具有6列钉仓孔的直线缝合切割装置中，则需要相应设置更多的第二钉砧单元。
由于在本实施方式中，切刀槽22任意一侧相邻列的钉仓孔交错设置，为了降低钉砧的成型难度，将钉砧分为第一钉砧单元和第二钉砧单元并分体制造，实际的生产中，分体制造的第一钉砧单元11和第二钉砧单元12可以通过后续的定位焊接配合在一起，组装方便。
切刀槽22两侧的钉仓孔21彼此对称设置，这样的设置可以对应降低第一钉砧单元11的成型难度。钉砧10具有与钉仓20相对的钉砧成型面，其中第一钉砧单元11的钉砧成型面111和第二钉砧单元12的钉砧成型面121呈波浪形，钉仓20和钉砧10相对表面的整体起伏式设置规律且均匀，参图2，并且，钉砧成型面被构造为可与钉仓20的工作表面彼此啮合，以最大程度地减小挤出效应，优化对目标组织的夹持作用。
本发明通过上述实施方式，具有以下有益效果：本发明提供的直线缝合切割装置通过将钉仓内的钉仓孔设置为呈向所述钉仓的远端倾斜，当钉仓孔内的推钉片被推动时，其受力方向与钉仓孔的延伸方向一致，推钉片不会与钉仓孔的内壁产生较大的摩擦作用力，使得推钉片可以更为顺畅的被推动，减小了手术难度。
应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施方式中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。
上文所列出的一系列的详细说明仅仅是针对本发明的可行性实施方式的具体说明，它们并非用以限制本发明的保护范围，凡未脱离本发明技艺精神所作的等效实施方式或变更均应包含在本发明的保护范围之内。

Claims (12)

  1. 一种直线缝合切割装置，包括：可互相闭合或打开的上钳夹和下钳夹；
    所述上钳夹包括钉砧；
    所述下钳夹包括钉仓架，所述钉仓架上可拆卸地设置有钉仓，所述钉仓内排列设置有贯穿其工作表面的钉仓孔、及置于所述钉仓孔内并可与之相对滑动的推钉片，所述钉仓架内还可滑动地设置有击发片，所述击发片具有可驱动所述推钉片在所述钉仓孔内滑动的楔形推钉部，其特征在于，所述钉仓孔呈向所述钉仓的远端倾斜设置。
  2. 根据权利要求1所述的直线缝合切割装置，其特征在于，所述击发片自所述钉仓的近端向远端运动，所述楔形推钉部具有与所述推钉片配合的推钉面，所述推钉面自远端向近端上升式倾斜。
  3. 根据权利要求2所述的直线缝合切割装置，其特征在于，所述钉仓孔与所述推钉面垂直设置。
  4. 根据权利要求1所述的直线缝合切割装置，其特征在于，在所述钉仓的远端向近端延伸的方向上，各所述钉仓孔的上端面为上升式斜面。
  5. 根据权利要求4所述的直线缝合切割装置，其特征在于，所述钉砧包括第一钉砧单元、以及分别固定于所述第一钉砧单元两侧的第二钉砧单元，且所述第一钉砧单元和所述第二钉砧单元分体制造。
  6. 根据权利要求5所述的直线缝合切割装置，其特征在于，所述钉仓包括沿其纵长轴设置的一切刀槽，所述切刀槽任意一侧相邻列的所述钉仓孔交错设置。
  7. 根据权利要求6所述的直线缝合切割装置，其特征在于，所述切刀槽两侧的钉仓孔彼此对称设置。
  8. 根据权利要求6所述的直线缝合切割装置，其特征在于，所述钉砧具有与所述钉仓相对的钉砧成型面，其中所述第一钉砧单元的钉砧成型面和第二钉砧单元的钉砧成型面呈波浪形。
  9. 根据权利要求8所述的直线缝合切割装置，其特征在于，所述钉砧成型面被构造为可与所述钉仓的工作表面彼此啮合。
  10. 一种直线缝合切割装置，包括可互相闭合或打开的上钳夹和下钳夹，所述上钳夹包括钉砧，所述下钳夹包括钉仓架，所述钉仓架上可拆卸地设置有钉仓，所述钉仓内排列设置有贯穿其工作表面的钉仓孔、及置于所述钉仓孔内并可与之相对滑动的推钉片，所述钉仓架内还可滑动地设置有击发片，所述击发片具有可驱动所述推钉片在所述钉仓孔内滑动的楔形推钉部，其特征在于，所述钉仓孔被如此构造以使所述楔形推钉部驱动所述推钉片在所述钉仓孔内滑动时，所述推钉片受到的推力方向与所述钉仓孔的延伸方向一致。
  11. 根据权利要求10所述的直线缝合切割装置，其特征在于，所述钉仓孔呈向所述钉仓的远端或近端倾斜设置。
  12. 根据权利要求11所述的直线缝合切割装置，其特征在于，所述楔形推钉部具有可与所述推钉片配合的推钉面，所述钉仓孔与所述推钉面垂直设置。
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