WO2023015893A1 - Integrated pull rod of tissue clamping device and manufacturing method therefor - Google Patents

Integrated pull rod of tissue clamping device and manufacturing method therefor Download PDF

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Publication number
WO2023015893A1
WO2023015893A1 PCT/CN2022/082117 CN2022082117W WO2023015893A1 WO 2023015893 A1 WO2023015893 A1 WO 2023015893A1 CN 2022082117 W CN2022082117 W CN 2022082117W WO 2023015893 A1 WO2023015893 A1 WO 2023015893A1
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WO
WIPO (PCT)
Prior art keywords
section
manufacturing
laser
pull rod
clamping
Prior art date
Application number
PCT/CN2022/082117
Other languages
French (fr)
Chinese (zh)
Inventor
黄俊俊
陈卿业
单剑
吴海良
孙忠利
Original Assignee
宁波新跃医疗科技股份有限公司
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
Application filed by 宁波新跃医疗科技股份有限公司 filed Critical 宁波新跃医疗科技股份有限公司
Priority to PCT/CN2022/082117 priority Critical patent/WO2023015893A1/en
Priority to CN202280005671.XA priority patent/CN115916072A/en
Publication of WO2023015893A1 publication Critical patent/WO2023015893A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord

Definitions

  • the present application relates to the field of medical devices, in particular to a method for manufacturing a pull rod in an insert-type tissue clipping device.
  • the plug-in tissue clipping device is a plug-in medical device, which is used to clip the tissue in the human body or animal body to stop bleeding or close it, and it includes hemostatic clips, tissue clips, etc.
  • the tissue clamping device is usually inserted through the instrument channel of the endoscope to achieve the purpose of treatment.
  • hemostatic clips or tissue clips have been widely used to stop bleeding or close gastrointestinal bleeding or wound sites.
  • the internal detachment structure is composed of a pull rod head, a central shaft and a separation hook.
  • the draw hook is interpenetrated with the central shaft.
  • the draw hook has at least 2 or more semicircular metal sheets to form a complete round hole, or
  • the metal sheet with a C-shaped opening at the top can expand outward under tension, and when the expanded size is larger than the diameter of the central shaft, it can be forcibly separated from the central shaft.
  • the tie rod is made of a whole piece of metal strip at a predetermined position to reduce material, the structure is usually made by traditional machining technology, the manufacturing process is complicated, and the tie rod is thick and the operation is not good. , requiring great force to break.
  • the present invention mainly provides a method for manufacturing an integrated pull rod of a tissue clipping device and the integrated pull rod manufactured by the manufacturing method, which can reduce the number of parts and assembly steps.
  • an embodiment of the present application provides a method for manufacturing an integrated pull rod of a tissue clamping device, including steps:
  • a connecting portion for connecting the clip is cut at the end of the retaining section away from the separating section by using a laser.
  • an embodiment of the present application provides a method for manufacturing an integrated tie rod, including steps:
  • the substrate is bent about a first direction and fixed into a tubular shape.
  • a laser is used to cut out a recessed area on both sides of the first tearing portion, which is recessed toward the side of the retaining section, and the first tearing portion is located in the recessed area.
  • the shrapnel is convexly deformed to the outside of the retaining section.
  • a limiting groove is cut on the separating section by using a laser, and the limiting groove is extended along a first direction of the separating section.
  • a laser is used to cut a slot in the separation section, the slot has an opening facing one end of the retention section, and the end surface of the retention section is located at the opening.
  • the connecting part includes two legs with installation holes, and the legs are used for connecting with the connecting rod.
  • the connecting part includes two connecting rods, the connecting rods are integrally cut on the retaining section by laser, and the connecting rods are used for connecting with the clip.
  • an embodiment of the present application provides an integrated pull rod of a tissue clamping device, which is characterized in that it is made by the manufacturing method as described in any one of the above.
  • a laser is used to cut out a reserved section and a separated section on a tubular or sheet-shaped base material, and a connecting portion for connecting a clamping piece is cut out at one end of the reserved section .
  • the entire retaining section and the separating section are integrally formed, and both are broken from the first tearing part.
  • the entire structure is simple to process, has fewer parts, and does not require secondary assembly.
  • the retaining section and the separation section can form a cylindrical structure, and the two are only connected by one or more first tearing parts on the wall of the cylinder, so they are easier to break.
  • Fig. 1 is a schematic structural view of a pull rod in an embodiment of the present application
  • Fig. 2 is a cross-sectional view after the tie rod shown in Fig. 1 is connected to the clamping member;
  • Fig. 3 is a schematic diagram when the pull rod shown in Fig. 1 breaks;
  • Fig. 4 is a structural schematic diagram of the pull rod in another embodiment of the present application, at this moment, the connecting rod is in an open state;
  • Fig. 5 is a schematic diagram of the connecting rod in a closed state in the structure shown in Fig. 4;
  • Fig. 6 is a schematic diagram of the structure of the plug-in tissue clipping device in an embodiment of the present application, in which the transmission components are omitted;
  • Fig. 7 is a cross-sectional view of the plug-in tissue clamping device in an open state (the movement rod moves in the first stroke) in an embodiment of the present application;
  • Fig. 8 is a schematic structural view of a part of the clamping part cut away in the state shown in Fig. 7;
  • Fig. 9 is a cross-sectional view of the plug-in tissue clamping device in an embodiment of the present application when it is in the clamping state (the movement rod moves in the second stroke);
  • Fig. 10 is a cross-sectional view of the plug-in tissue clamping device in an embodiment of the present application when the clamping arm is locked in the locking structure (the movement rod moves in the third stroke) in the clamping state;
  • Fig. 11 is a cross-sectional view of the inserted tissue clamping device in an embodiment of the present application when the retained section and the separated section on the moving rod are broken from the second tearing part (the moving rod moves in the third stroke) in the clamping state;
  • Fig. 12 is a cross-sectional view of the insertion type tissue clamping device in the clamping state in one embodiment of the present application, when the clamping part and the separation base are broken from the first tearing part (the moving rod moves in the third stroke);
  • Fig. 13 is a cross-sectional view of the tissue clipping device using the pull rod shown in Figs. 4 and 5 in an open state in an embodiment of the present application;
  • Fig. 14 is a cross-sectional view of the structure shown in Fig. 13 when it is in a clamping state.
  • connection and “connection” mentioned in this application include direct and indirect connection (connection) unless otherwise specified.
  • the clipping device is used to clip tissues in the body of a human or an animal (collectively referred to as a target) for hemostasis or closure, and may include but not limited to hemostatic clips, tissue clips, and the like.
  • a one-piece tie rod 200 is manufactured based on a cylindrical base material.
  • the one-piece tie rod 200 is not limited to the structures shown in FIGS. 1-5 .
  • the manufacturing method includes the steps of:
  • the pipe can be a metal pipe of 0.1-0.2mm.
  • other tubing of other thicknesses and materials may also be used.
  • first tear portion 240 which is arranged along the second direction of the pipe.
  • first direction is the axial direction of the base material.
  • second direction is the circumferential direction of the substrate.
  • the connecting part can be directly connected to the clip 100 , or can be connected to other clip connection structures 600 to dock with the clip 100 .
  • a manufacturing method for manufacturing the integrated tie rod 200 with sheet material includes the steps of:
  • the pipe can be a metal sheet of 0.1-0.2mm.
  • other sheets of other thicknesses and materials may also be used.
  • first tear portion 240 which is arranged along the second direction of the pipe.
  • the connecting part can be directly connected to the clip 100 , or can be connected to other clip connection structures 600 to dock with the clip 100 .
  • a tie rod 200 as shown in FIGS. 1-5 can be obtained.
  • the fixing may be welding, bonding or mechanical structural connection (such as screw connection, clip connection) and the like.
  • the first direction is the axial direction after forming the cylindrical structure.
  • the second direction is the circumferential direction after forming the cylindrical structure.
  • the steps shown in this embodiment can be performed in any feasible order, and are not limited to the order described above.
  • corresponding parts can be flexibly selected for cutting according to needs, and are not limited to cutting in the above order.
  • a laser is used to cut out a recessed area 241 on both sides of the first tearing portion 240 , which is recessed toward the side of the retaining section 220 , and the first tearing portion 240 is located in the recessed area 241 .
  • the elastic piece 210 is convexly deformed to the outside of the retaining section 220 .
  • a limiting slot 250 is cut on the separating section 230 by using a laser, and the limiting slot 250 extends along a first direction of the separating section 230 .
  • FIGS. 1-5 there are at least two limiting grooves 250 distributed along the second direction of the separation section 230 .
  • a slot 260 is cut in the separating section 230 by using a laser, and the slot 260 has an opening facing the end of the retaining section 220 , and the end surface of the retaining section 220 is located at the opening.
  • the connecting portion includes two legs 270 with mounting holes, and the legs 270 are used to connect with the connecting rod 610 .
  • the connecting part includes two connecting rods 610 , the connecting rods 610 are integrally cut on the retaining section 220 by laser, and the connecting rods 610 are used for connecting with the clamping member 100 .
  • this embodiment also provides a clamping device, in which the one-piece clamping part can be manufactured in the manner shown in the above-mentioned embodiments.
  • the clamping device includes a clamping member 100 , a pull rod 200 , a transmission assembly 300 and a control handle 400 .
  • the pull rod 200 is used to control the opening and clamping states of the clamping member 100 .
  • the pull rod 200 is connected with the clamping arm 110 , and the movement of the pull rod 200 can control the clamping arm 110 to move toward the opening direction and the clamping direction.
  • the transmission assembly 300 plays a role in supporting the clamping member 100 and transmitting motion and force to the pull rod 200 .
  • the tie rod 200 is an integral structure, which has a retaining section 220 and a separating section 230 .
  • the retaining section 220 and the separating section 230 are connected as a whole through the first tearing part 240 .
  • the clip connecting structure 600 includes at least two connecting rods 610 , two connecting rods 610 are shown in the figure.
  • One ends of the two connecting rods 610 are connected to the distal end of the moving part 200 and can rotate around the axis 620 at the same time, and the other ends are respectively connected to the horizontal axis on the clamping head 1111 and can also rotate around the horizontal axis.
  • the connecting rods 610 are coaxial with the rotation center of the movable member 200, or they may not be coaxial.
  • the structure of the connecting rod 610 is similar to a Y shape, and the purpose is to effectively transmit the thrust and pull force of the moving part 200 moving up and down to the clamping head 1111 to realize the opening and closing control of the clamping head 1111 .
  • the clamping part 100 can be controlled to open and switch to the opened state.
  • the clamping parts 100 can be controlled to approach each other and switch to the clamping state.
  • the moving part 200 and the clamping part connecting structure 600 can be integrally formed.
  • the moving element 200 has a moving element body 201 and at least two connecting rods 610 .
  • the connecting rod 610 is integrally formed with the main body 201 of the moving part.
  • the one-piece molding structure (including other one-piece molding structures described below) is made by laser cutting, which can realize the processing of extremely small gaps, which is conducive to the miniaturization of the overall structure and the improvement of the compactness of the structure.
  • the connecting rods 610 are connected to the clamping member 100 , and the connecting rods 610 are distributed in a staggered manner.
  • Each connecting rod 610 is correspondingly connected to a clamping arm 110 , and one connecting rod 610 can be specifically connected to the clamping arm 110 on the opposite side.
  • Connections between the connecting rods 610 and the moving body 201 are distributed around the central axis of the moving body 201 .
  • these joints can be evenly distributed around the central axis of the movable member body 201 , but in other embodiments, they can also be arranged in an uneven distribution on the premise that the opening and closing of the clamping arm 110 can be controlled.
  • the main body 201 of the moving element is a cylindrical structure.
  • One end of the connecting rod 610 connected to the cylindrical structure is an oblique section 611 cut obliquely from the wall of the cylindrical structure, because the clamping arm 110 will be twisted and deformed to a certain degree during the opening and closing process.
  • the oblique section 611 enables the connecting rod 610 to better adapt to the twisting and deformation of the clamping arm 110 , so that the entire opening and closing process of the clamping arm 110 is smoother and more stable without stagnation.
  • the joint where the connecting rod 610 is connected to the cylindrical structure (such as the oblique section 611 ) is located in the recessed area of the cylindrical structure.
  • the deformed area of the connecting rod 610 extends into the cylindrical structure of the moving part body 201 , reducing the protruding length of the connecting rod 610 from the moving part main body 201 , and shortening the axial length of the entire device.
  • FIGS. 4 and 5 there are two clamping arms 110 and two connecting rods 610 , and the connecting rods 610 correspond to and connect to the clamping arms 110 one by one.
  • the two connecting rods 610 are oppositely disposed on the cylinder wall of the main body 201 of the moving element.
  • the clamping member 100 includes a clamping arm 110 and a separation base 120 .
  • An integral structure is formed between the clamping arm 110 and the separation base 120 , and the two are connected as a whole through the second tearing portion 130 .
  • the second tearing portion 130 enables the operator to separate the clamping arm 110 from the separation base 120 by external force.
  • the clamping arm 110 includes at least two clamping arms 110 .
  • the clamping arms 110 are connected as a whole.
  • Each set of clamping arms 110 includes a clamping head 1111 and a bendable portion 1112 .
  • the clamping arms 110 are arranged in a jaw-like structure to clamp the target.
  • the claw-type structure is a structure capable of firmly grasping the target. For example, in FIGS. (at this time in the clamping state), the target can be grasped.
  • the transmission assembly 300 includes a sleeve assembly and a transmission member (such as a control wire, a steel wire rope, etc.) passing through the sleeve assembly, and the transmission member is connected to the pull rod 200 .
  • the separation base 120 of the clip 100 is rotatably connected to the bushing assembly, for example, mounted on the bushing assembly through a rotating seat, so that the clip 100 can rotate relative to the bushing assembly as a whole.
  • the sleeve assembly is connected with the control handle 400 , and the control handle 400 forms a linkage structure with the transmission part to control the movement of the transmission part, the pull rod 200 and the clamping part 100 .
  • the operator can control the handle 400 to control the rotation of the clip 100 relative to the cannula assembly, and can also control the opening and closing of the clip 100 through the control handle 400 .
  • the pull rods 200 all have a first stroke, a second stroke and a third stroke.
  • the first stroke, the second stroke and the third stroke are three parts in the whole movement stroke of the pull rod 200, and the three strokes may be in the same direction, or at least two strokes may be in different directions.
  • the pull rod 200 is in the first stroke, and now the pull rod 200 is away from the control handle 400 along its axial direction, and is close to the clamping member 100 (the figure is towards Right movement), the pull rod 200 can drive the clamping part 100 to expand outward, so that the clamping part 100 moves to the opened state.
  • the pull rod 200 is in the second stroke.
  • the pull rod 200 approaches the control handle 400 along its axial direction.
  • the clamping parts 100 approach each other inwardly, so that the clamping parts 100 move to the clamping state.
  • the pull rod 200 is in the third stroke, the pull rod 200 approaches the control handle 400 along its axial direction, and when it moves away from the clamping member 100 (moving to the left in the figure), the third stroke and The second stroke is in the same direction and closely connected, that is, when the clamping member 100 moves to the clamping state, the pull rod 200 switches from the second stroke to the third stroke.
  • the third stroke can be further divided into a plurality of sub-strokes, and these sub-strokes include a locking stroke, an inner disengagement stroke and an outer disengagement stroke.
  • the pull rod 200 After the pull rod 200 completes the locking stroke, it enters the inner disengagement stroke.
  • the pull rod 200 moves to the position shown in the figure, the clamping part 100 is separated from the pull rod 200, and the pull rod 200 can no longer drive the clamping part 100 to move, losing control of the clamping part 100, and the clamping part 100 is kept in the lock. stop state.
  • the movement stroke of the pull rod 200 is the inner disengagement stroke.
  • the pull rod 200 After the pull rod 200 completes the inner disengagement stroke, it enters the outer disengagement stroke.
  • the pull rod 200 moves to the position shown in the figure, the clamping member 100 and the separation base 120 are broken from the second tearing portion 130 at this moment, and the clamping member 100 is left on the object it clamps.
  • the separation base 120, the pull rod 200 and the transmission assembly 300 can be pulled out from the target object.
  • the movement stroke of the pull rod 200 is the outer disengagement stroke.
  • the separation base 120 is provided with a follower shaft 125 , and the follower shaft 125 traverses the separation base 120 .
  • the follower shaft 125 is used to drive the separating base 120 and the moving rod 200 to move toward the side close to the control handle 400 when the moving rod 200 moves along the third stroke.
  • the moving rod 200 can also have a limit slot 250 , and the follower shaft 125 is placed at the bottom of the limit slot 250 .
  • the bending deformation of the bendable part 1112 is realized by its integral structure.
  • the end of the clamping arm 110 close to the separation base 120 is the proximal end, and the end away from the separation base 120 is the distal end, from the proximal end of the clamping arm 110 to its far
  • the direction of the end is the first direction of the clamping arm 110 .
  • the deformation structure includes several first contraction seams 1113 arranged in sequence along the first direction.
  • the clamping arm 110 remains in the clamping state in the initial state, the first shrinkage seam 1113 maintains the initial state, and each part of the bendable portion 1112 does not deform.
  • the bendable portion 1112 is deformed outward, and the first contraction seam 1113 shrinks and deforms, so that the outside of the bendable portion 1112 (where the clamping arms 110 are away from each other) One side) shrinks, making the entire clamping head 1111 open.
  • the first contraction slit 1113 extends around the circumference of the bendable portion 1112 .
  • the first contraction joints 1113 are arranged in parallel.
  • the first contraction joints 1113 may be arranged in other shapes besides being parallel to each other.
  • the first contraction joints 1113 are uniformly arranged in parallel along the circumferential direction of the bendable portion 1112 , so that the bending deformation direction of each first contraction joint 1113 can be unified, and the bending deformation of the clamping arm 110 is smoother and more stable.
  • the clamping arm 110 includes a connecting portion 112 .
  • the connecting part 112 , the bendable part 1112 and the clamping head 1111 are sequentially connected as a whole.
  • the second tearing part 130 is connected between the connecting part 112 and the separation base 120 .
  • the connecting portion 112 has the above-mentioned locking groove 1121 , and the locking groove 1121 is used to lock the clamping arm 110 in the clamping state.
  • the locking slot 1121 can at least prevent the clamping arm 110 from moving toward the opening direction, so as to ensure that the clamping arm 110 is always in a clamping state.
  • the clamping arm 110 forms a cylindrical structure.
  • One end of the pull rod 200 protrudes into the cylindrical structure and is connected with the clamping arm 110 .
  • An elastic piece 210 is provided on the pull rod 200 , and the elastic piece 210 is inclined toward the distal side of the clamping arm 110 along its protruding direction.
  • the inclined elastic piece 210 can move along the inner wall of the clamping arm 110 toward the side of the control handle 400 when the pull rod 200 moves along the third stroke, so as to prevent the elastic piece 210 from being clamped on other parts of the clamping arm 110 .
  • the elastic piece 210 moves to the slot position, the elastic piece 210 can be locked into the slot under the elastic force, so as to prevent the retraction of the pull rod 200 and the clamping arm 110 to open the clamping state.
  • the separation base 120 has a stop piece 121 , and the stop piece 121 is located on the moving path of the retaining section 220 .
  • the stop piece 121 prevents the retaining section 220 from continuing to move with the pull rod 200 and the separation section 230 to help the retaining section 220 and the separation section 230 to separate.
  • the pull rod 200 has a slot 260 arranged along its axial direction, and the stop piece 121 protrudes toward the pull rod 200 and extends into the slot 260 to break away from the stroke along the inside of the pull rod 200 When in motion, it is against the groove wall of the groove 260 .
  • the outer detachment structure there is at least one second tear part 130 , and the separation base 120 and the clamping arm 110 are only connected through the second tear part 130 , so as to facilitate the formation of the outer detachment.
  • the separation base 120 is disconnected from the clamping arm 110 .
  • the second tearing portion 130 is uniformly distributed around the clamping arm 110 and the separation base 120 .

Abstract

A manufacturing method for an integrated pull rod of a tissue clamping device, and an integrated pull rod manufactured by using the manufacturing method. In the method, a retaining section (220) and a separation section (230) are formed by cutting a tubular or sheet-shaped substrate by using a laser, and a connecting portion for connecting a clamp (100) is formed by cutting one end of the retaining section (220); and the entire retaining section (220) and separation section (230) are of an integrally formed structure, and the two can be broken at a first tear portion (240). The entire structure is simple to manufacture, has fewer parts and does not require secondary assembly. Furthermore, the retaining section (220) and the separation section (230) can be formed into a cylindrical structure, and are easily broken via pulling due to the fact that the retaining section and the separation section are only connected at one or more first tear portions (240) in a wall of the cylinder.

Description

组织夹闭装置的一体式拉杆及制造方法Integral pull rod and manufacturing method of tissue clipping device 技术领域technical field
本申请涉及医疗器械领域，具体涉及一种***式组织夹闭装置中拉杆的制造方法。The present application relates to the field of medical devices, in particular to a method for manufacturing a pull rod in an insert-type tissue clipping device.
背景技术Background technique
***式组织夹闭装置是一种***式医疗器械，用于夹闭人体或动物体内组织，以起到止血或闭合的作用，其包括止血夹、组织夹等。The plug-in tissue clipping device is a plug-in medical device, which is used to clip the tissue in the human body or animal body to stop bleeding or close it, and it includes hemostatic clips, tissue clips, etc.
例如，在消化道疾病微创化治疗过程中，通常会通过在内窥镜的器械通道置入该组织夹闭装置，以达到治疗目的。比如已经广泛使用止血夹（或组织夹），在胃肠出血或者创伤部位进行止血或者闭合。For example, during the minimally invasive treatment of digestive tract diseases, the tissue clamping device is usually inserted through the instrument channel of the endoscope to achieve the purpose of treatment. For example, hemostatic clips (or tissue clips) have been widely used to stop bleeding or close gastrointestinal bleeding or wound sites.
通常的组织夹闭装置中，内脱离结构由拉杆头、中轴与分离拉钩组成，拉钩是与中轴相互贯穿，拉钩有至少2片以上的半圆形金属片组合成完成的圆孔，或者顶部为C字型开口的金属片，在拉力下可向外张开，当张开尺寸大于中轴直径后实现与中轴的强行分离。而另一些一体式分离结构中，虽然拉杆由整块金属条在预定位置减少材料制成，但该结构通常采用传统机械加工工艺制成，制造过程复杂，而且该拉杆厚度大，操作手感不佳，需要极大的力才能拉断。In a common tissue clamping device, the internal detachment structure is composed of a pull rod head, a central shaft and a separation hook. The draw hook is interpenetrated with the central shaft. The draw hook has at least 2 or more semicircular metal sheets to form a complete round hole, or The metal sheet with a C-shaped opening at the top can expand outward under tension, and when the expanded size is larger than the diameter of the central shaft, it can be forcibly separated from the central shaft. In other one-piece separation structures, although the tie rod is made of a whole piece of metal strip at a predetermined position to reduce material, the structure is usually made by traditional machining technology, the manufacturing process is complicated, and the tie rod is thick and the operation is not good. , requiring great force to break.
技术问题technical problem
本发明主要提供一种组织夹闭装置的一体式拉杆的制造方法以及利用该制造方法制造的一体式拉杆，其能够减少零件数量，减少装配步骤。The present invention mainly provides a method for manufacturing an integrated pull rod of a tissue clipping device and the integrated pull rod manufactured by the manufacturing method, which can reduce the number of parts and assembly steps.
技术解决方案technical solution
基于上述目的，本申请一种实施例中提供一种组织夹闭装置的一体式拉杆的制造方法，包括步骤：Based on the above purpose, an embodiment of the present application provides a method for manufacturing an integrated pull rod of a tissue clamping device, including steps:
提供管状的基材；providing a tubular substrate;
利用激光在所述基材上切割出保留段和分离段，所述保留段和分离段之间通过第一撕裂部连为一体；using a laser to cut out a reserved section and a separated section on the base material, and the reserved section and the separated section are connected as a whole through a first tearing part;
利用激光在所述保留段背离所述分离段的一端切割出用于连接夹持件的连接部。A connecting portion for connecting the clip is cut at the end of the retaining section away from the separating section by using a laser.
基于上述目的，本申请一种实施例中提供一种一体式拉杆的制造方法，包括步骤：Based on the above purpose, an embodiment of the present application provides a method for manufacturing an integrated tie rod, including steps:
提供片状的基材；Provide sheet-like substrates;
利用激光在所述基材上切割出保留段和分离段，所述保留段和分离段之间通过第一撕裂部连为一体；using a laser to cut out a reserved section and a separated section on the base material, and the reserved section and the separated section are connected as a whole through a first tearing part;
利用激光在所述保留段背离所述分离段的一端切割出用于连接夹持件的连接部；using a laser to cut out a connecting portion for connecting a clamping piece at one end of the retaining section facing away from the separating section;
将所述基材绕第一方向弯曲并固定为管状。The substrate is bent about a first direction and fixed into a tubular shape.
一种实施例中，还包括步骤：In a kind of embodiment, also comprise step:
利用激光在所述第一撕裂部的两侧切割出向所述保留段一侧凹陷的凹陷区域，所述第一撕裂部位于凹陷区域内。A laser is used to cut out a recessed area on both sides of the first tearing portion, which is recessed toward the side of the retaining section, and the first tearing portion is located in the recessed area.
一种实施例中，还包括步骤：In a kind of embodiment, also comprise step:
利用激光在所述保留段上切割出用于锁止夹持件的弹片；using a laser to cut out a shrapnel for locking the clip on the retaining section;
将弹片向所述保留段的外侧凸起变形。The shrapnel is convexly deformed to the outside of the retaining section.
一种实施例中，还包括步骤：In a kind of embodiment, also comprise step:
利用激光在所述分离段上切割出限位槽，所述限位槽沿所述分离段的第一方向延伸设置。A limiting groove is cut on the separating section by using a laser, and the limiting groove is extended along a first direction of the separating section.
一种实施例中，所述限位槽为至少两个，其沿所述分离段的第二方向分布。In one embodiment, there are at least two limiting grooves, which are distributed along the second direction of the separation section.
一种实施例中，还包括步骤：In a kind of embodiment, also comprise step:
利用激光在所述分离段切割出开槽，所述开槽朝向所述保留段的一端具有开口，所述保留段的端面位于所述开口处。A laser is used to cut a slot in the separation section, the slot has an opening facing one end of the retention section, and the end surface of the retention section is located at the opening.
一种实施例中，所述连接部包括两个带有安装孔的支脚，所述支脚用于与连杆连接。In one embodiment, the connecting part includes two legs with installation holes, and the legs are used for connecting with the connecting rod.
一种实施例中，所述连接部包括两个连杆，所述连杆由激光在所述保留段上一体切割而成，所述连杆用于与夹持件连接。In one embodiment, the connecting part includes two connecting rods, the connecting rods are integrally cut on the retaining section by laser, and the connecting rods are used for connecting with the clip.
基于上述目的，本申请一种实施例中提供一种组织夹闭装置的一体式拉杆, 其特征在于，采用如上述任一项所述的制造方法制成。Based on the above purpose, an embodiment of the present application provides an integrated pull rod of a tissue clamping device, which is characterized in that it is made by the manufacturing method as described in any one of the above.
有益效果Beneficial effect
依据上述实施例的一体式拉杆的制造方法,该方法中利用激光在管状或片状的基材上切割出保留段和分离段，在保留段的一端切割出用于连接夹持件的连接部。整个保留段、分离段为一体成型结构，两者从第一撕裂部处断裂。整个结构加工简单，零件更少，无需二次装配。而且，该保留段和分离段为能够形成筒状结构，两者只依靠筒壁上的一处或多处第一撕裂部连接，更容易拉断。According to the manufacturing method of the one-piece pull rod of the above-mentioned embodiment, in this method, a laser is used to cut out a reserved section and a separated section on a tubular or sheet-shaped base material, and a connecting portion for connecting a clamping piece is cut out at one end of the reserved section . The entire retaining section and the separating section are integrally formed, and both are broken from the first tearing part. The entire structure is simple to process, has fewer parts, and does not require secondary assembly. Moreover, the retaining section and the separation section can form a cylindrical structure, and the two are only connected by one or more first tearing parts on the wall of the cylinder, so they are easier to break.
附图说明Description of drawings
图1为本申请一种实施例中拉杆的结构示意图；Fig. 1 is a schematic structural view of a pull rod in an embodiment of the present application;
图2为图1所示拉杆与夹持件连接后的剖视图；Fig. 2 is a cross-sectional view after the tie rod shown in Fig. 1 is connected to the clamping member;
图3为图1所示拉杆断裂时的示意图；Fig. 3 is a schematic diagram when the pull rod shown in Fig. 1 breaks;
图4为本申请另一种实施例中拉杆的结构示意图，此时，连杆处于张开状态；Fig. 4 is a structural schematic diagram of the pull rod in another embodiment of the present application, at this moment, the connecting rod is in an open state;
图5为图4所示结构中连杆处于闭合状态的示意图；Fig. 5 is a schematic diagram of the connecting rod in a closed state in the structure shown in Fig. 4;
图6为本申请一种实施例中***式组织夹闭装置的结构示意图，其中传动组件采用了省略画法；Fig. 6 is a schematic diagram of the structure of the plug-in tissue clipping device in an embodiment of the present application, in which the transmission components are omitted;
图7为本申请一种实施例中***式组织夹闭装置处于张开状态时（运动杆在第一行程内运动）的剖视图；Fig. 7 is a cross-sectional view of the plug-in tissue clamping device in an open state (the movement rod moves in the first stroke) in an embodiment of the present application;
图8为图7所示状态下夹持件的局部被剖开后的结构示意图；Fig. 8 is a schematic structural view of a part of the clamping part cut away in the state shown in Fig. 7;
图9为本申请一种实施例中***式组织夹闭装置处于夹持状态时（运动杆在第二行程内运动）的剖视图；Fig. 9 is a cross-sectional view of the plug-in tissue clamping device in an embodiment of the present application when it is in the clamping state (the movement rod moves in the second stroke);
图10为本申请一种实施例中***式组织夹闭装置处于夹持状态，夹持臂被锁止于锁止结构时（运动杆在第三行程内运动）的剖视图；Fig. 10 is a cross-sectional view of the plug-in tissue clamping device in an embodiment of the present application when the clamping arm is locked in the locking structure (the movement rod moves in the third stroke) in the clamping state;
图11为本申请一种实施例中***式组织夹闭装置处于夹持状态，运动杆上保留段和分离段自第二撕裂部断裂时（运动杆在第三行程内运动）的剖视图；Fig. 11 is a cross-sectional view of the inserted tissue clamping device in an embodiment of the present application when the retained section and the separated section on the moving rod are broken from the second tearing part (the moving rod moves in the third stroke) in the clamping state;
图12为本申请一种实施例中***式组织夹闭装置处于夹持状态，夹持件和分离基座自第一撕裂部断裂时（运动杆在第三行程内运动）的剖视图；Fig. 12 is a cross-sectional view of the insertion type tissue clamping device in the clamping state in one embodiment of the present application, when the clamping part and the separation base are broken from the first tearing part (the moving rod moves in the third stroke);
图13为本申请一种实施例中采用图4和5所示拉杆的组织夹闭装置处于张开状态时的剖视图；Fig. 13 is a cross-sectional view of the tissue clipping device using the pull rod shown in Figs. 4 and 5 in an open state in an embodiment of the present application;
图14为图13所示结构处于夹持状态时的剖视图。Fig. 14 is a cross-sectional view of the structure shown in Fig. 13 when it is in a clamping state.
本发明的实施方式Embodiments of the present invention
下面通过具体实施方式结合附图对本发明作进一步详细说明。其中不同实施方式中类似元件采用了相关联的类似的元件标号。在以下的实施方式中，很多细节描述是为了使得本申请能被更好的理解。然而，本领域技术人员可以毫不费力的认识到，其中部分特征在不同情况下是可以省略的，或者可以由其他元件、材料、方法所替代。在某些情况下，本申请相关的一些操作并没有在说明书中显示或者描述，这是为了避免本申请的核心部分被过多的描述所淹没，而对于本领域技术人员而言，详细描述这些相关操作并不是必要的，他们根据说明书中的描述以及本领域的一般技术知识即可完整了解相关操作。The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings. Wherein, similar elements in different implementations adopt associated similar element numbers. In the following implementation manners, many details are described for better understanding of the present application. However, those skilled in the art can readily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the application are not shown or described in the description, this is to avoid the core part of the application being overwhelmed by too many descriptions, and for those skilled in the art, it is necessary to describe these operations in detail Relevant operations are not necessary, and they can fully understand the relevant operations according to the description in the specification and general technical knowledge in the field.
另外，说明书中所描述的特点、操作或者特征可以以任意适当的方式结合形成各种实施方式。同时，方法描述中的各步骤或者动作也可以按照本领域技术人员所能显而易见的方式进行顺序调换或调整。因此，说明书和附图中的各种顺序只是为了清楚描述某一个实施例，并不意味着是必须的顺序，除非另有说明其中某个顺序是必须遵循的。In addition, the characteristics, operations or characteristics described in the specification can be combined in any appropriate manner to form various embodiments. At the same time, the steps or actions in the method description can also be exchanged or adjusted in a manner obvious to those skilled in the art. Therefore, various sequences in the specification and drawings are only for clearly describing a certain embodiment, and do not mean a necessary sequence, unless otherwise stated that a certain sequence must be followed.
本文中为部件所编序号本身，例如“第一”、“第二”等，仅用于区分所描述的对象，不具有任何顺序或技术含义。而本申请所说“连接”、“联接”，如无特别说明，均包括直接和间接连接（联接）。The serial numbers assigned to components in this document, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning. The "connection" and "connection" mentioned in this application include direct and indirect connection (connection) unless otherwise specified.
本实施例提供了几种针对***式组织夹闭装置（为了方便描述，以下称为夹闭装置）中一体式拉杆的制造方法。该夹闭装置用于夹闭人或动物体内组织（统称为目标物），以起到止血或闭合的作用，其可包括但不限于止血夹、组织夹等。This embodiment provides several manufacturing methods for the integrated pull rod in the insertable tissue clipping device (for convenience of description, hereinafter referred to as the clipping device). The clipping device is used to clip tissues in the body of a human or an animal (collectively referred to as a target) for hemostasis or closure, and may include but not limited to hemostatic clips, tissue clips, and the like.
请参考图1-5，一种实施例中，其以筒状的基材为加工基础，制造一种一体式拉杆200。该一体式拉杆200不限于图1-5所示结构。Please refer to FIGS. 1-5 , in one embodiment, a one-piece tie rod 200 is manufactured based on a cylindrical base material. The one-piece tie rod 200 is not limited to the structures shown in FIGS. 1-5 .
制造方法包括步骤：The manufacturing method includes the steps of:
S11、提供筒状的基材。S11, providing a cylindrical substrate.
在该步骤中，该管材可以为0.1-0.2mm的金属管材。当然，也可以采用其他厚度和材料的其他管材。In this step, the pipe can be a metal pipe of 0.1-0.2mm. Of course, other tubing of other thicknesses and materials may also be used.
S12、利用激光在基材上切割出保留段220和分离段230，保留段220和分离段230之间通过第一撕裂部240连为一体。S12 , using a laser to cut out the reserved section 220 and the separated section 230 on the substrate, and the reserved section 220 and the separated section 230 are connected as a whole through the first tearing part 240 .
该第一撕裂部240可以为至少一个，其沿管材的第二方向设置。当使用管材作为基材时，该第一方向为基材的轴向。第二方向为基材的周向。There may be at least one first tear portion 240, which is arranged along the second direction of the pipe. When a pipe is used as the base material, the first direction is the axial direction of the base material. The second direction is the circumferential direction of the substrate.
S13、利用激光在保留段220背离分离段230的一端切割出用于连接夹持件100的连接部。S13 , using a laser to cut out a connecting portion for connecting the clip 100 at the end of the retaining section 220 away from the separating section 230 .
该步骤中，连接部既可以直接对接夹持件100，也可通过与其他夹持件连接结构600连接，以对接夹持件100。In this step, the connecting part can be directly connected to the clip 100 , or can be connected to other clip connection structures 600 to dock with the clip 100 .
本实施例所示各步骤可按照任意可行的顺序进行，并不限于以上述内容描述的顺序。尤其是，激光切割时可根据需要而灵活地选择相应部位进行切割，并不限于按照上述顺序切割。The steps shown in this embodiment can be performed in any feasible order, and are not limited to the order described above. In particular, during laser cutting, corresponding parts can be flexibly selected for cutting according to needs, and are not limited to cutting in the above sequence.
另一种实施例中，还提供了一种用片材来制造该一体式拉杆200的制造方法。该一体式拉杆200不限于图1-5所示结构。该制造方法包括步骤：In another embodiment, there is also provided a manufacturing method for manufacturing the integrated tie rod 200 with sheet material. The one-piece tie rod 200 is not limited to the structures shown in FIGS. 1-5 . The manufacturing method includes the steps of:
S21、提供片状的基材。S21, providing a sheet-shaped substrate.
在该步骤中，该管材可以为0.1-0.2mm的金属片材。当然，也可以采用其他厚度和材料的其他片材。In this step, the pipe can be a metal sheet of 0.1-0.2mm. Of course, other sheets of other thicknesses and materials may also be used.
S22、利用激光在基材上切割出保留段220和分离段230，保留段220和分离段230之间通过第一撕裂部240连为一体。S22 , using a laser to cut out the reserved section 220 and the separated section 230 on the substrate, and the reserved section 220 and the separated section 230 are connected as a whole through the first tearing part 240 .
该第一撕裂部240可以为至少一个，其沿管材的第二方向设置。There may be at least one first tear portion 240, which is arranged along the second direction of the pipe.
S23、利用激光在保留段220背离分离段230的一端切割出用于连接夹持件100的连接部。S23 , using a laser to cut out a connecting portion for connecting the clip 100 at the end of the retaining section 220 away from the separating section 230 .
该步骤中，连接部既可以直接对接夹持件100，也可通过与其他夹持件连接结构600连接，以对接夹持件100。In this step, the connecting part can be directly connected to the clip 100 , or can be connected to other clip connection structures 600 to dock with the clip 100 .
S24、将基材绕第一方向弯曲并固定为筒状。S24. Bending the base material around the first direction and fixing it into a cylindrical shape.
当该片状的基材被制成筒状结构后，即可获得如图1-5所示的拉杆200。其中，该固定可以为焊接、粘接或机械结构连接（如螺接、卡接）等。After the sheet-shaped base material is made into a cylindrical structure, a tie rod 200 as shown in FIGS. 1-5 can be obtained. Wherein, the fixing may be welding, bonding or mechanical structural connection (such as screw connection, clip connection) and the like.
其中，当使用片材作为基材时，该第一方向为其形成筒状结构后的轴向。第二方向为其形成筒状结构后的周向。Wherein, when a sheet is used as the base material, the first direction is the axial direction after forming the cylindrical structure. The second direction is the circumferential direction after forming the cylindrical structure.
同样地，本实施例所示各步骤可按照任意可行的顺序进行，并不限于以上述内容描述的顺序。尤其是，激光切割时可根据需要而灵活地选择相应部位进行切割，并不限于按照上述顺序切割。Likewise, the steps shown in this embodiment can be performed in any feasible order, and are not limited to the order described above. In particular, during laser cutting, corresponding parts can be flexibly selected for cutting according to needs, and are not limited to cutting in the above order.
进一步地，在上述两种制造方法中，请参考图1-5，一种实施例中，还可以包括步骤：Further, in the above two manufacturing methods, please refer to Fig. 1-5, in an embodiment, the steps may also be included:
利用激光在第一撕裂部240的两侧切割出向保留段220一侧凹陷的凹陷区域241，第一撕裂部240位于凹陷区域241内。A laser is used to cut out a recessed area 241 on both sides of the first tearing portion 240 , which is recessed toward the side of the retaining section 220 , and the first tearing portion 240 is located in the recessed area 241 .
在上述两种制造方法中，请参考图1-5，还可包括步骤：In the above two manufacturing methods, please refer to Figure 1-5, and may also include steps:
利用激光在保留段220上切割出用于锁止夹持结构的弹片210；Using a laser to cut out the elastic sheet 210 for locking the clamping structure on the retaining section 220;
将弹片210向保留段220的外侧凸起变形。The elastic piece 210 is convexly deformed to the outside of the retaining section 220 .
在上述两种制造方法中，请参考图1-5，还可包括步骤：In the above two manufacturing methods, please refer to Figure 1-5, and may also include steps:
利用激光在分离段230上切割出限位槽250，限位槽250沿分离段230的第一方向延伸设置。A limiting slot 250 is cut on the separating section 230 by using a laser, and the limiting slot 250 extends along a first direction of the separating section 230 .
在上述两种制造方法中，请参考图1-5，限位槽250为至少两个，其沿分离段230的第二方向分布。In the above two manufacturing methods, please refer to FIGS. 1-5 , there are at least two limiting grooves 250 distributed along the second direction of the separation section 230 .
在上述两种制造方法中，请参考图1-5，还可包括步骤：In the above two manufacturing methods, please refer to Figure 1-5, and may also include steps:
利用激光在分离段230切割出开槽260，开槽260朝向保留段220的一端具有开口，保留段220的端面位于开口处。A slot 260 is cut in the separating section 230 by using a laser, and the slot 260 has an opening facing the end of the retaining section 220 , and the end surface of the retaining section 220 is located at the opening.
请参考图1和2，一种实施例中，连接部包括两个带有安装孔的支脚270，支脚270用于与连杆610连接。Please refer to FIGS. 1 and 2 , in one embodiment, the connecting portion includes two legs 270 with mounting holes, and the legs 270 are used to connect with the connecting rod 610 .
请参考图1-5，一种实施例中，连接部包括两个连杆610，连杆610由激光在保留段220上一体切割而成，连杆610用于与夹持件100连接。Please refer to FIGS. 1-5 , in one embodiment, the connecting part includes two connecting rods 610 , the connecting rods 610 are integrally cut on the retaining section 220 by laser, and the connecting rods 610 are used for connecting with the clamping member 100 .
另一方面，本实施例还提供了一种夹闭装置，该夹闭装置中的一体式夹持件可采用上述各实施例所示的方式制造而成。On the other hand, this embodiment also provides a clamping device, in which the one-piece clamping part can be manufactured in the manner shown in the above-mentioned embodiments.
请参考图1-14，该夹闭装置包括夹持件100、拉杆200、传动组件300以及控制手柄400。Please refer to FIGS. 1-14 , the clamping device includes a clamping member 100 , a pull rod 200 , a transmission assembly 300 and a control handle 400 .
该拉杆200用于控制夹持件100的张开和夹持状态。拉杆200与夹持臂110连接，拉杆200的运动能够控制夹持臂110向张开方向运动和向夹持方向运动。该传动组件300起到支承夹持件100以及向拉杆200传递运动和力的作用。The pull rod 200 is used to control the opening and clamping states of the clamping member 100 . The pull rod 200 is connected with the clamping arm 110 , and the movement of the pull rod 200 can control the clamping arm 110 to move toward the opening direction and the clamping direction. The transmission assembly 300 plays a role in supporting the clamping member 100 and transmitting motion and force to the pull rod 200 .
请参考图1-5，拉杆200为一体成型结构，其具有保留段220和分离段230。保留段220和分离段230之间通过第一撕裂部240连为一体。Please refer to FIGS. 1-5 , the tie rod 200 is an integral structure, which has a retaining section 220 and a separating section 230 . The retaining section 220 and the separating section 230 are connected as a whole through the first tearing part 240 .
请参考图2，一种实施例中，该夹持件连接结构600包括至少两个连杆610，图中所示为两个连杆610。该两个连杆610的一端被一同连接在运动件200的远端，同时可绕轴620进行旋转，另一端分别与夹持头1111上的横轴连接，也可以绕该横轴旋转。各连杆610与运动件200的转动中心同轴，也可以不同轴。Please refer to FIG. 2 , in one embodiment, the clip connecting structure 600 includes at least two connecting rods 610 , two connecting rods 610 are shown in the figure. One ends of the two connecting rods 610 are connected to the distal end of the moving part 200 and can rotate around the axis 620 at the same time, and the other ends are respectively connected to the horizontal axis on the clamping head 1111 and can also rotate around the horizontal axis. The connecting rods 610 are coaxial with the rotation center of the movable member 200, or they may not be coaxial.
请参考图2，该连杆610结构类似Y字型，目的是将运动件200上下运动的推力和拉力有效的传递至夹持头1111上，实现夹持头1111的开合控制。如在图1所示实施例中，当运动件200向上（即向夹持件100的远端）运动时，可控制夹持件100张开，切换到张开状态。当运动件200向下（即向夹持件100的近端）运动时，可控制夹持件100相互靠近，切换到夹持状态。Please refer to FIG. 2 , the structure of the connecting rod 610 is similar to a Y shape, and the purpose is to effectively transmit the thrust and pull force of the moving part 200 moving up and down to the clamping head 1111 to realize the opening and closing control of the clamping head 1111 . As in the embodiment shown in FIG. 1 , when the moving part 200 moves upward (ie, toward the distal end of the clamping part 100 ), the clamping part 100 can be controlled to open and switch to the opened state. When the moving part 200 moves downward (ie toward the proximal end of the clamping part 100 ), the clamping parts 100 can be controlled to approach each other and switch to the clamping state.
请参考图4、5以及图13和14，在另一种***式夹持器械中，该运动件200可与夹持件连接结构600为一体成型结构。Please refer to FIGS. 4 and 5 and FIGS. 13 and 14 , in another insert-type clamping device, the moving part 200 and the clamping part connecting structure 600 can be integrally formed.
该运动件200具有运动件主体201以及至少两个连杆610。连杆610与运动件主体201为一体成型结构。一体式成型结构（包括下述其他一体成型结构）由激光切割制成，可实现极小缝隙的加工，有利于整体结构的小型化和提高结构紧凑性。The moving element 200 has a moving element body 201 and at least two connecting rods 610 . The connecting rod 610 is integrally formed with the main body 201 of the moving part. The one-piece molding structure (including other one-piece molding structures described below) is made by laser cutting, which can realize the processing of extremely small gaps, which is conducive to the miniaturization of the overall structure and the improvement of the compactness of the structure.
该连杆610与夹持件100连接，连杆610交错分布，每个连杆610对应与一个夹持臂110连接，一个连杆610具体可与相对侧的夹持臂110连接。各个连杆610与运动件主体201的连接处围绕运动件主体201的中心轴线分布。通常，这些连接处可围绕运动件主体201的中心轴线均匀分布，但其他实施例中，在能够实现对夹持臂110张开和闭合控制的前提下，也可以以不均匀的分布方式设置。The connecting rods 610 are connected to the clamping member 100 , and the connecting rods 610 are distributed in a staggered manner. Each connecting rod 610 is correspondingly connected to a clamping arm 110 , and one connecting rod 610 can be specifically connected to the clamping arm 110 on the opposite side. Connections between the connecting rods 610 and the moving body 201 are distributed around the central axis of the moving body 201 . Usually, these joints can be evenly distributed around the central axis of the movable member body 201 , but in other embodiments, they can also be arranged in an uneven distribution on the premise that the opening and closing of the clamping arm 110 can be controlled.
请参考图4和5，一种实施例中，运动件主体201为筒状结构。连杆610连接于筒状结构的一端为由筒状结构的筒壁斜向切割而成斜向段611，因为夹持臂110在张开和闭合过程中，会伴随着一定程度的扭曲变形，该斜向段611可使得连杆610能够更好的适应夹持臂110的扭曲变形，使夹持臂110整个张开和闭合过程更加顺畅和稳定，不会出现卡滞。Please refer to FIGS. 4 and 5 , in one embodiment, the main body 201 of the moving element is a cylindrical structure. One end of the connecting rod 610 connected to the cylindrical structure is an oblique section 611 cut obliquely from the wall of the cylindrical structure, because the clamping arm 110 will be twisted and deformed to a certain degree during the opening and closing process. The oblique section 611 enables the connecting rod 610 to better adapt to the twisting and deformation of the clamping arm 110 , so that the entire opening and closing process of the clamping arm 110 is smoother and more stable without stagnation.
请参考图4和5，一种实施例中，连杆610连接于筒状结构的连接处（如斜向段611）位于筒状结构的凹陷区域内。使得该连杆610的变形区域延伸至运动件主体201的筒状结构内，减少连杆610凸出于运动件主体201的长度，缩减整个装置的轴向长度。Please refer to FIGS. 4 and 5 , in one embodiment, the joint where the connecting rod 610 is connected to the cylindrical structure (such as the oblique section 611 ) is located in the recessed area of the cylindrical structure. The deformed area of the connecting rod 610 extends into the cylindrical structure of the moving part body 201 , reducing the protruding length of the connecting rod 610 from the moving part main body 201 , and shortening the axial length of the entire device.
作为一种示例，请参考图4和5，夹持臂110为两个，连杆610为两个，连杆610与夹持臂110一一对应并连接。两个连杆610相对地设置在运动件主体201的筒壁。As an example, referring to FIGS. 4 and 5 , there are two clamping arms 110 and two connecting rods 610 , and the connecting rods 610 correspond to and connect to the clamping arms 110 one by one. The two connecting rods 610 are oppositely disposed on the cylinder wall of the main body 201 of the moving element.
进一步地，请参考图7-14，该夹持件100包括夹持臂110和分离基座120。该夹持臂110和分离基座120之间形成一体式结构，两者通过第二撕裂部130连为一体。该第二撕裂部130使得操作者能通过外力将夹持臂110和分离基座120分离开。Further, referring to FIGS. 7-14 , the clamping member 100 includes a clamping arm 110 and a separation base 120 . An integral structure is formed between the clamping arm 110 and the separation base 120 , and the two are connected as a whole through the second tearing portion 130 . The second tearing portion 130 enables the operator to separate the clamping arm 110 from the separation base 120 by external force.
该夹持臂110包括至少两个夹持臂110。夹持臂110之间连接为一体。每组夹持臂110包括夹持头1111和可弯曲部1112。夹持臂110之间呈夹爪式结构设置，以夹持目标物。该夹爪式结构为能够牢固抓取目标物的结构，例如在图1-4中，当夹持臂110为两组时，两个夹持臂110相对设置，当其如图1所示闭合（此时处于夹持状态）时，即可抓取目标物。The clamping arm 110 includes at least two clamping arms 110 . The clamping arms 110 are connected as a whole. Each set of clamping arms 110 includes a clamping head 1111 and a bendable portion 1112 . The clamping arms 110 are arranged in a jaw-like structure to clamp the target. The claw-type structure is a structure capable of firmly grasping the target. For example, in FIGS. (at this time in the clamping state), the target can be grasped.
请参考图6，该传动组件300包括套管组件和穿设在套管组件内的传动件（如控制线、钢丝绳等），传动件与拉杆200连接。其中，该夹持件100的分离基座120可转动的连接在套管组件上，例如通过旋转座安装在套管组件上，以便夹持件100能够整体相对套管组件转动。该套管组件与控制手柄400连接，控制手柄400与传动件形成联动结构，以控制传动件、拉杆200以及夹持件100的动作。例如，操作者可通过控制手柄400来操控夹持件100相对套管组件转动，还可以通过控制手柄400来控制夹持件100的开闭。Please refer to FIG. 6 , the transmission assembly 300 includes a sleeve assembly and a transmission member (such as a control wire, a steel wire rope, etc.) passing through the sleeve assembly, and the transmission member is connected to the pull rod 200 . Wherein, the separation base 120 of the clip 100 is rotatably connected to the bushing assembly, for example, mounted on the bushing assembly through a rotating seat, so that the clip 100 can rotate relative to the bushing assembly as a whole. The sleeve assembly is connected with the control handle 400 , and the control handle 400 forms a linkage structure with the transmission part to control the movement of the transmission part, the pull rod 200 and the clamping part 100 . For example, the operator can control the handle 400 to control the rotation of the clip 100 relative to the cannula assembly, and can also control the opening and closing of the clip 100 through the control handle 400 .
该拉杆200都具有第一行程、第二行程和第三行程。该第一行程、第二行程和第三行程为拉杆200整个运动行程中的三个部分，该三个行程可以是相同方向，也可以至少两个行程之间为不同方向。The pull rods 200 all have a first stroke, a second stroke and a third stroke. The first stroke, the second stroke and the third stroke are three parts in the whole movement stroke of the pull rod 200, and the three strokes may be in the same direction, or at least two strokes may be in different directions.
作为一种示例，请参考图7、8和13，此时，该拉杆200处于第一行程中，此时拉杆200沿其轴向背离控制手柄400，而靠近夹持件100的（图示向右运动）运动时，该拉杆200能够带动夹持件100向外张开，从而使夹持件100运动至张开状态。As an example, please refer to FIGS. 7, 8 and 13. At this time, the pull rod 200 is in the first stroke, and now the pull rod 200 is away from the control handle 400 along its axial direction, and is close to the clamping member 100 (the figure is towards Right movement), the pull rod 200 can drive the clamping part 100 to expand outward, so that the clamping part 100 moves to the opened state.
请参考图9和14，此时，该拉杆200处于第二行程中，该拉杆200沿其轴向靠近控制手柄400，背离夹持件100（图示向左运动）时，该拉杆200能够带动夹持件100向内相互靠近，从而使夹持件100运动至夹持状态。Please refer to FIGS. 9 and 14. At this time, the pull rod 200 is in the second stroke. The pull rod 200 approaches the control handle 400 along its axial direction. The clamping parts 100 approach each other inwardly, so that the clamping parts 100 move to the clamping state.
请参考图10-12，此时，该拉杆200处于第三行程中，该拉杆200沿其轴向靠近控制手柄400，背离夹持件100（图示向左运动）时，该第三行程与第二行程同方向，且紧密连接，即当夹持件100运动到夹持状态后，拉杆200即从第二行程切换到第三行程。其中，该第三行程又可分为多个子行程，这些子行程包括锁止行程、内脱离行程和外脱离行程。Please refer to Figures 10-12, at this time, the pull rod 200 is in the third stroke, the pull rod 200 approaches the control handle 400 along its axial direction, and when it moves away from the clamping member 100 (moving to the left in the figure), the third stroke and The second stroke is in the same direction and closely connected, that is, when the clamping member 100 moves to the clamping state, the pull rod 200 switches from the second stroke to the third stroke. Wherein, the third stroke can be further divided into a plurality of sub-strokes, and these sub-strokes include a locking stroke, an inner disengagement stroke and an outer disengagement stroke.
请参考图10，当拉杆200切换至第三行程起，直至运动至图示位置，此时夹持件100被锁止，拉杆200无法反向运动而再打开夹持件100。此过程中拉杆200的运动行程为锁止行程。Please refer to FIG. 10 , when the pull rod 200 switches to the third stroke until it moves to the position shown in the figure, the clip 100 is locked at this time, and the pull rod 200 cannot move in reverse to open the clip 100 again. During this process, the movement stroke of the pull rod 200 is the locking stroke.
请参考图11，拉杆200完成锁止行程后，进入内脱离行程。当拉杆200运动至图示位置时，此时夹持件100从拉杆200上分离，拉杆200无法再带动夹持件100移动，失去对夹持件100的控制，夹持件100被保持在锁止状态。此过程中拉杆200的运动行程为内脱离行程。Please refer to FIG. 11 , after the pull rod 200 completes the locking stroke, it enters the inner disengagement stroke. When the pull rod 200 moves to the position shown in the figure, the clamping part 100 is separated from the pull rod 200, and the pull rod 200 can no longer drive the clamping part 100 to move, losing control of the clamping part 100, and the clamping part 100 is kept in the lock. stop state. During this process, the movement stroke of the pull rod 200 is the inner disengagement stroke.
请参考图12，拉杆200完成内脱离行程后，进入外脱离行程。当拉杆200运动至图示位置时，此时夹持件100和分离基座120从第二撕裂部130断裂，至此，夹持件100被留在其所夹持的目标物上。分离基座120、拉杆200以及传动组件300可从目标物体内抽出。此过程中拉杆200的运动行程为外脱离行程。Please refer to FIG. 12 , after the pull rod 200 completes the inner disengagement stroke, it enters the outer disengagement stroke. When the pull rod 200 moves to the position shown in the figure, the clamping member 100 and the separation base 120 are broken from the second tearing portion 130 at this moment, and the clamping member 100 is left on the object it clamps. The separation base 120, the pull rod 200 and the transmission assembly 300 can be pulled out from the target object. During this process, the movement stroke of the pull rod 200 is the outer disengagement stroke.
具体地，该分离基座120设有随动轴125，该随动轴125横穿在分离基座120上。该随动轴125用于在运动杆200沿第三行程运动时，带动分离基座120与运动杆200一同向靠近控制手柄400的一侧运动。该运动杆200上还可有限位槽250，该随动轴125置于限位槽250的底部。随着运动杆200向控制手柄400一侧的移动，当运动杆200进入外脱离行程时，该限位槽250的顶部运动至随动轴125处，从而开始带动随动轴125以及分离基座120向控制手柄400一侧运动，进而促使分离基座120与夹持臂110分离。Specifically, the separation base 120 is provided with a follower shaft 125 , and the follower shaft 125 traverses the separation base 120 . The follower shaft 125 is used to drive the separating base 120 and the moving rod 200 to move toward the side close to the control handle 400 when the moving rod 200 moves along the third stroke. The moving rod 200 can also have a limit slot 250 , and the follower shaft 125 is placed at the bottom of the limit slot 250 . As the movement rod 200 moves to the control handle 400 side, when the movement rod 200 enters the outer disengagement stroke, the top of the limit groove 250 moves to the follower shaft 125, thereby starting to drive the follower shaft 125 and the separation base 120 moves to one side of the control handle 400 , thereby prompting the separation base 120 to separate from the clamping arm 110 .
进一步地，该可弯曲部1112的弯曲变形通过其一体式结构实现。请参考图7-10，一些实施例中，该夹持臂110靠近分离基座120的一端为近端，背离分离基座120的一端为远端，自夹持臂110的近端向其远端的方向为夹持臂110的第一方向。为了实现该一体式的变形结构，该变形结构包括若干条第一收缩缝1113，第一收缩缝1113沿第一方向依次排列。Further, the bending deformation of the bendable part 1112 is realized by its integral structure. Please refer to FIGS. 7-10 , in some embodiments, the end of the clamping arm 110 close to the separation base 120 is the proximal end, and the end away from the separation base 120 is the distal end, from the proximal end of the clamping arm 110 to its far The direction of the end is the first direction of the clamping arm 110 . In order to realize the one-piece deformation structure, the deformation structure includes several first contraction seams 1113 arranged in sequence along the first direction.
一种实施例中，如图9和10所示，夹持臂110在初始状态下保持在夹持状态，第一收缩缝1113之间维持在初始状态，可弯曲部1112各部分不产生形变。如图7和8所示，当需要张开夹持臂110时，可弯曲部1112向外形变，第一收缩缝1113收缩变形，从而使可弯曲部1112的外侧（夹持臂110相互背离的一侧）收缩，使得整个夹持头1111张开。In one embodiment, as shown in FIGS. 9 and 10 , the clamping arm 110 remains in the clamping state in the initial state, the first shrinkage seam 1113 maintains the initial state, and each part of the bendable portion 1112 does not deform. As shown in Figures 7 and 8, when the clamping arm 110 needs to be opened, the bendable portion 1112 is deformed outward, and the first contraction seam 1113 shrinks and deforms, so that the outside of the bendable portion 1112 (where the clamping arms 110 are away from each other) One side) shrinks, making the entire clamping head 1111 open.
请参考图9和10，一种实施例中，该第一收缩缝1113绕可弯曲部1112的周向延伸。第一收缩缝1113之间平行设置。当然，该第一收缩缝1113之间除了相互平行，也可设置成其他形状。而将第一收缩缝1113设置为统一沿可弯曲部1112周向平行排列，可统一各第一收缩缝1113的弯曲变形方向，使夹持臂110的弯曲变形更加顺畅和稳定。Please refer to FIGS. 9 and 10 , in one embodiment, the first contraction slit 1113 extends around the circumference of the bendable portion 1112 . The first contraction joints 1113 are arranged in parallel. Certainly, the first contraction joints 1113 may be arranged in other shapes besides being parallel to each other. The first contraction joints 1113 are uniformly arranged in parallel along the circumferential direction of the bendable portion 1112 , so that the bending deformation direction of each first contraction joint 1113 can be unified, and the bending deformation of the clamping arm 110 is smoother and more stable.
进一步地，请参考图7-10，一种实施例中，该夹持臂110包括连接部112。连接部112、可弯曲部1112以及夹持头1111依次连为一体。第二撕裂部130连接于连接部112和分离基座120之间。Further, please refer to FIGS. 7-10 , in an embodiment, the clamping arm 110 includes a connecting portion 112 . The connecting part 112 , the bendable part 1112 and the clamping head 1111 are sequentially connected as a whole. The second tearing part 130 is connected between the connecting part 112 and the separation base 120 .
请参考图7-10，该连接部112具有上述的卡槽1121，卡槽1121用于将夹持臂110锁止在夹持状态。该卡槽1121至少能阻止夹持臂110向张开方向运动，以保证夹持臂110始终处于夹持状态。Please refer to FIGS. 7-10 , the connecting portion 112 has the above-mentioned locking groove 1121 , and the locking groove 1121 is used to lock the clamping arm 110 in the clamping state. The locking slot 1121 can at least prevent the clamping arm 110 from moving toward the opening direction, so as to ensure that the clamping arm 110 is always in a clamping state.
该夹持臂110形成筒状结构。拉杆200的一端伸入至筒状结构内，并与夹持臂110连接。拉杆200上设有的弹片210，弹片210沿其凸起方向向夹持臂110的远端一侧倾斜。该倾斜设置的弹片210能够在拉杆200沿第三行程运动时，顺着夹持臂110的内壁向控制手柄400一侧运动，避免弹片210卡接在夹持臂110的其他部位。当弹片210运动到卡槽位置时，弹片210可在弹力下卡入卡槽，以阻碍拉杆200以及夹持臂110回缩而打开夹持状态。The clamping arm 110 forms a cylindrical structure. One end of the pull rod 200 protrudes into the cylindrical structure and is connected with the clamping arm 110 . An elastic piece 210 is provided on the pull rod 200 , and the elastic piece 210 is inclined toward the distal side of the clamping arm 110 along its protruding direction. The inclined elastic piece 210 can move along the inner wall of the clamping arm 110 toward the side of the control handle 400 when the pull rod 200 moves along the third stroke, so as to prevent the elastic piece 210 from being clamped on other parts of the clamping arm 110 . When the elastic piece 210 moves to the slot position, the elastic piece 210 can be locked into the slot under the elastic force, so as to prevent the retraction of the pull rod 200 and the clamping arm 110 to open the clamping state.
为了辅助拉杆200进行内脱离，请参考图10和11，一种实施例中，该分离基座120具有止动片121，该止动片121位于保留段220的移动路径上。当拉杆200位于内脱离行程时，止动片121阻止保留段220继续随拉杆200和分离段230运动，以帮助保留段220和分离段230分离。In order to assist the pull rod 200 to disengage, please refer to FIGS. 10 and 11 , in one embodiment, the separation base 120 has a stop piece 121 , and the stop piece 121 is located on the moving path of the retaining section 220 . When the pull rod 200 is in the inner disengagement stroke, the stop piece 121 prevents the retaining section 220 from continuing to move with the pull rod 200 and the separation section 230 to help the retaining section 220 and the separation section 230 to separate.
在图10所示实施例中，该拉杆200具有沿其轴向设置的开槽260，止动片121向拉杆200凸起设置，并伸入开槽260内，以在拉杆200沿内脱离行程运动时，抵顶开槽260的槽壁。In the embodiment shown in FIG. 10 , the pull rod 200 has a slot 260 arranged along its axial direction, and the stop piece 121 protrudes toward the pull rod 200 and extends into the slot 260 to break away from the stroke along the inside of the pull rod 200 When in motion, it is against the groove wall of the groove 260 .
进一步地，请参考图12，在外脱离结构中，该第二撕裂部130为至少一个，分离基座120与夹持臂110仅通过第二撕裂部130连接，以便于在外脱离形成中将分离基座120与夹持臂110断开。为了均匀受力，一种实施例中，该第二撕裂部130绕夹持臂110和分离基座120的周向均匀分布。Further, please refer to FIG. 12 , in the outer detachment structure, there is at least one second tear part 130 , and the separation base 120 and the clamping arm 110 are only connected through the second tear part 130 , so as to facilitate the formation of the outer detachment. The separation base 120 is disconnected from the clamping arm 110 . For uniform stress, in one embodiment, the second tearing portion 130 is uniformly distributed around the clamping arm 110 and the separation base 120 .
具有本领域技术的人将认识到，在不脱离本发明的基本原理的情况下，可以对上述实施例的细节进行许多改变。因此，本发明的范围应根据以下权利要求确定。Those skilled in the art will recognize that many changes may be made to the details of the above-described embodiments without departing from the underlying principles of the invention. Accordingly, the scope of the invention should be determined from the following claims.

Claims (10)

  1. 一种组织夹闭装置的一体式拉杆的制造方法, 其特征在于，包括步骤：A method for manufacturing an integrated pull rod of a tissue clipping device, characterized in that it comprises the steps of:
    提供管状的基材；providing a tubular substrate;
    利用激光在所述基材上切割出保留段和分离段，所述保留段和分离段之间通过第一撕裂部连为一体；using a laser to cut out a reserved section and a separated section on the base material, and the reserved section and the separated section are connected as a whole through a first tearing part;
    利用激光在所述保留段背离所述分离段的一端切割出用于连接夹持件的连接部。A connecting portion for connecting the clip is cut at the end of the retaining section away from the separating section by using a laser.
  2. 一种组织夹闭装置的一体式拉杆的制造方法, 其特征在于，包括步骤：A method for manufacturing an integrated pull rod of a tissue clipping device, characterized in that it comprises the steps of:
    提供片状的基材；Provide sheet-like substrates;
    利用激光在所述基材上切割出保留段和分离段，所述保留段和分离段之间通过第一撕裂部连为一体；using a laser to cut out a reserved section and a separated section on the base material, and the reserved section and the separated section are connected as a whole through a first tearing part;
    利用激光在所述保留段背离所述分离段的一端切割出用于连接夹持件的连接部；using a laser to cut out a connecting portion for connecting a clamping piece at one end of the retaining section facing away from the separating section;
    将所述基材绕第一方向弯曲并固定为管状。The substrate is bent about a first direction and fixed into a tubular shape.
  3. 如权利要求1或2所述的制造方法，其特征在于，还包括步骤：The manufacturing method according to claim 1 or 2, further comprising the steps of:
    利用激光在所述第一撕裂部的两侧切割出向所述保留段一侧凹陷的凹陷区域，所述第一撕裂部位于凹陷区域内。A laser is used to cut out a recessed area on both sides of the first tearing portion, which is recessed toward the side of the retaining section, and the first tearing portion is located in the recessed area.
  4. 如权利要求1-3任一项所述的制造方法，其特征在于，还包括步骤：The manufacturing method according to any one of claims 1-3, further comprising the steps of:
    利用激光在所述保留段上切割出用于锁止夹持件的弹片；using a laser to cut out a shrapnel for locking the clip on the retaining section;
    将弹片向所述保留段的外侧凸起变形。The shrapnel is convexly deformed to the outside of the retaining section.
  5. 如权利要求1-4任一项所述的制造方法，其特征在于，还包括步骤：The manufacturing method according to any one of claims 1-4, further comprising the steps of:
    利用激光在所述分离段上切割出限位槽，所述限位槽沿所述分离段的第一方向延伸设置。A limiting groove is cut on the separating section by using a laser, and the limiting groove is extended along a first direction of the separating section.
  6. 如权利要求5所述的制造方法，其特征在于，所述限位槽为至少两个，其沿所述分离段的第二方向分布。The manufacturing method according to claim 5, characterized in that there are at least two limiting grooves distributed along the second direction of the separation section.
  7. 如权利要求1-6任一项所述的制造方法，其特征在于，还包括步骤：The manufacturing method according to any one of claims 1-6, further comprising the steps of:
    利用激光在所述分离段切割出开槽，所述开槽朝向所述保留段的一端具有开口，所述保留段的端面位于所述开口处。A slot is cut on the separation section by using a laser, the slot has an opening facing one end of the retention section, and the end surface of the retention section is located at the opening.
  8. 如权利要求1-7任一项所述的制造方法，其特征在于，所述连接部包括两个带有安装孔的支脚，所述支脚用于与连杆连接。The manufacturing method according to any one of claims 1-7, characterized in that, the connecting part comprises two legs with mounting holes, and the legs are used for connecting with the connecting rod.
  9. 如权利要求1-7任一项所述的制造方法，其特征在于，所述连接部包括两个连杆，所述连杆由激光在所述保留段上一体切割而成，所述连杆用于与夹持件连接。The manufacturing method according to any one of claims 1-7, characterized in that, the connecting part comprises two connecting rods, the connecting rods are integrally cut on the reserved section by laser, and the connecting rods For connection with clamps.
  10. 一种组织夹闭装置的一体式拉杆, 其特征在于，采用如权利要求1-9任一项所述的制造方法制成。An integrated pull rod of a tissue clamping device, characterized in that it is made by the manufacturing method according to any one of claims 1-9.
PCT/CN2022/082117 2022-03-21 2022-03-21 Integrated pull rod of tissue clamping device and manufacturing method therefor WO2023015893A1 (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102711631A (en) * 2009-11-09 2012-10-03 心血管科技有限公司 Tissue closure devices, device and systems for delivery, kits and methods therefor
US20160228181A1 (en) * 2015-01-07 2016-08-11 Ramon Berguer Septotomy Catheter For Aortic Dissection
CN106659503A (en) * 2014-03-05 2017-05-10 阿姆泽尔医药公司 Method and apparatus for occluding a blood vessel and/or other tubular structures
JP2017192513A (en) * 2016-04-19 2017-10-26 株式会社新興セルビック Manufacturing method of synthetic resin blood vessel clip, and synthetic resin blood vessel clip
CN108903984A (en) * 2018-07-20 2018-11-30 中国医学科学院阜外医院 Clipping anastomotic fitting
WO2021061182A1 (en) * 2019-09-25 2021-04-01 Aquedeon Medical, Inc. Vascular and aortic grafts and deployment tools
CN215384344U (en) * 2021-02-25 2022-01-04 江苏安特尔医疗科技有限公司 Hemostatic clamp

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102711631A (en) * 2009-11-09 2012-10-03 心血管科技有限公司 Tissue closure devices, device and systems for delivery, kits and methods therefor
CN106659503A (en) * 2014-03-05 2017-05-10 阿姆泽尔医药公司 Method and apparatus for occluding a blood vessel and/or other tubular structures
US20160228181A1 (en) * 2015-01-07 2016-08-11 Ramon Berguer Septotomy Catheter For Aortic Dissection
JP2017192513A (en) * 2016-04-19 2017-10-26 株式会社新興セルビック Manufacturing method of synthetic resin blood vessel clip, and synthetic resin blood vessel clip
CN108903984A (en) * 2018-07-20 2018-11-30 中国医学科学院阜外医院 Clipping anastomotic fitting
WO2021061182A1 (en) * 2019-09-25 2021-04-01 Aquedeon Medical, Inc. Vascular and aortic grafts and deployment tools
CN215384344U (en) * 2021-02-25 2022-01-04 江苏安特尔医疗科技有限公司 Hemostatic clamp

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