WO2024114463A1 - Ensemble de connexion d'appareil de stockage et agrafeuse chirurgicale - Google Patents

Ensemble de connexion d'appareil de stockage et agrafeuse chirurgicale Download PDF

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Publication number
WO2024114463A1
WO2024114463A1 PCT/CN2023/133111 CN2023133111W WO2024114463A1 WO 2024114463 A1 WO2024114463 A1 WO 2024114463A1 CN 2023133111 W CN2023133111 W CN 2023133111W WO 2024114463 A1 WO2024114463 A1 WO 2024114463A1
Authority
WO
WIPO (PCT)
Prior art keywords
storage device
electrical connector
stapler
actuator
axial direction
Prior art date
Application number
PCT/CN2023/133111
Other languages
English (en)
Chinese (zh)
Inventor
陈望东
王叶挺
周长磊
黄斌
Original Assignee
天臣国际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 天臣国际医疗科技股份有限公司 filed Critical 天臣国际医疗科技股份有限公司
Publication of WO2024114463A1 publication Critical patent/WO2024114463A1/fr

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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
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis in a single operation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure

Definitions

  • the present application relates to the technical field of medical devices, and in particular to a storage device connection assembly and a surgical stapler.
  • a motor-driven surgical stapler includes a stapler body and an actuator that cooperates with the stapler body.
  • the stapler body is provided with a motor assembly that provides power.
  • the actuator includes a stapler magazine and a staple anvil.
  • tissue is placed between the staple anvil and the stapler magazine, and the distance between the staple anvil and the stapler magazine is adjusted to gradually clamp the tissue.
  • the motor is started to provide power to the drive assembly, so that the drive assembly moves toward the distal end, and the staples in the stapler magazine are pushed outward and formed on the staple anvil, thereby completing the tissue anastomosis.
  • a storage device may be provided at the actuator to store information related to the use of the stapler, such as the number of uses, sterilization cycle, nail size, jaw size, identification information of the actuator or the stapler magazine, etc.
  • the storage device is connected to a second electrical connector provided on the stapler body through a first electrical connector, and then connected to an electric control device in the stapler body.
  • the existing first electrical connector and the second electrical connector are connected laterally.
  • the purpose of the present application is to provide a storage device connection assembly and a surgical stapler to avoid interference between the electrical connector and the mechanical structure when the actuator is assembled.
  • the present application embodiment provides a storage device connection assembly for a surgical stapler, wherein the surgical stapler comprises an actuator and a stapler body that are detachably connected, and the storage device connection assembly comprises:
  • a storage device provided in the actuator
  • a first electrical connection member provided on the actuator and electrically connected to the storage device
  • the second electrical connector is provided on the stapler body.
  • the second electrical connector is aligned with and abuts against the first electrical connector in the axial direction to achieve electrical connection.
  • it also includes:
  • the support member is arranged at the proximal end of the actuator, the storage device and the first electrical connector are arranged at the support member, and the first electrical connector is at least partially exposed at the proximal end side of the support member along the axial direction.
  • a mounting hole is provided at the distal end of the stapler body, and the second electrical connector is passed through the mounting hole and at least partially exposed at the distal end side of the stapler body along the axial direction.
  • a distal end of the second electrical connector is provided with an elastic connection portion, and the elastic connection portion can be driven to change a dimension in the axial direction.
  • a first step portion is provided on the proximal side of the mounting hole, and a second step portion matching with the first step portion is provided on the proximal end of the second electrical connector.
  • a side wall of the distal end of the stapler body is provided with a first cavity at a proximal side close to the mounting hole, and the mounting hole is connected to the first cavity.
  • a wire is further included, wherein a distal end of the wire is electrically connected to the second electrical connector.
  • the side wall of the distal end of the stapler body is further provided with a mounting groove extending along the axial direction, the wire is at least partially embedded in the mounting groove, and the mounting groove is connected to the first cavity through a wire perforation.
  • the distal end of the stapler body is provided with a first opening on the distal side of the mounting hole, the distal end of the second electrical connector is at least partially exposed in the first opening, and the proximal end of the actuator at least partially enters the interior of the distal end of the stapler body through the first opening.
  • a second opening is provided at the proximal end of the actuator, and the support member at least partially enters into the interior of the actuator through the second opening.
  • one of the side wall of the proximal end of the actuator and the side wall of the support member is provided with a guide groove, and the other of the two is provided with a guide portion, and the guide portion at least partially enters the guide groove.
  • An embodiment of the present application also provides a surgical stapler, comprising the above-mentioned storage device connecting assembly.
  • the actuator when the stapler is assembled, the actuator is connected to the stapler body along the axial direction of the stapler, and the first electrical connector and the second electrical connector are aligned and abutted in the axial direction of the stapler to achieve electrical connection.
  • the electrical connection point of the first electrical connector and the second electrical connector will not interfere with the mechanical structure to cause deformation of the first electrical connector or the second electrical connector, resulting in improper assembly.
  • improper assembly due to elastic failure of the first electrical connector or the second electrical connector will not occur. Not only is the assembly operation more convenient, but it also improves the reliability of the stapler and ensures the surgical effect.
  • FIG1 is a partial structural schematic diagram of a surgical stapler according to an embodiment of the present application.
  • Figure 2 is an enlarged view of point A in Figure 1;
  • FIG3 is a schematic diagram of the cooperation between the nail magazine housing, the second electrical connector and the wire according to an embodiment of the present application;
  • FIG4 is an exploded view of a storage device connection assembly according to an embodiment of the present application.
  • FIG5 is a schematic diagram of the cooperation between the nail magazine housing and the second electrical connector according to an embodiment of the present application.
  • FIG6 is a schematic diagram of the structure of a storage device assembly according to an embodiment of the present application.
  • FIG7 is a schematic structural diagram of a second electrical connector according to an embodiment of the present application.
  • FIG8 is a schematic structural diagram of a second matching portion according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a storage device assembly in cooperation with a second electrical connector and a wire according to an embodiment of the present application.
  • FIG. 10 is a schematic diagram of the storage device assembly cooperating with the second electrical connector and the wire after the support member is omitted according to an embodiment of the present application.
  • the present application provides a storage device connection assembly for a surgical stapler and a surgical stapler including the storage device connection assembly.
  • the surgical stapler includes a detachably connected actuator and a stapler body, and when in use, the actuator can be assembled to the stapler body along the axial direction of the stapler.
  • the storage device connection assembly includes a storage device, a first electrical connector and The second electrical connector, the storage device and the first electrical connector are arranged on the actuator, and the two are electrically connected.
  • the second electrical connector is arranged on the stapler body.
  • the actuator when the actuator is connected to the stapler body along the axial direction of the stapler, even if the actuator and the stapler body deviate in the axial direction, the electrical connection point between the first electrical connector and the second electrical connector will not interfere with the mechanical structure and cause the first electrical connector or the second electrical connector to deform, resulting in improper assembly. Moreover, even after multiple assembly operations, the situation of improper assembly due to elastic failure of the first electrical connector or the second electrical connector will not occur. Not only is the assembly operation more convenient, but it also improves the reliability of the stapler and ensures the surgical effect.
  • the surgical stapler includes a detachably connected actuator and a stapler body, wherein the actuator includes a stapler magazine assembly 2 and a staple anvil (not shown in the figure).
  • the stapler body includes a stapler magazine housing 10.
  • the actuator is detachably mounted on the distal end of the stapler magazine housing 10.
  • the proximal end of the stapler magazine assembly 2 includes a first mating portion 21, and the distal end of the stapler magazine housing 10 includes a second mating portion 1.
  • the first mating portion 21 is detachably connected to the second mating portion 1.
  • the distal side and the proximal side are relative to the operator, the side closer to the operator is the proximal side, the side farther from the operator, that is, the side closer to the surgical site is the distal side, and the direction along the axis of the stapler is the axial direction, that is, the direction from the distal side to the proximal side of the stapler, or from the proximal side to the distal side of the stapler.
  • the stapler assembly 2 its distal side is the left side
  • the proximal side is the right side.
  • the S1 direction is the direction from the distal side to the proximal side of the stapler.
  • the inner side and the outer side are relative to the axis of the stapler, the side close to the axis is the inner side, and the side away from the axis is the outer side.
  • the storage device connection assembly includes a storage device assembly 3 disposed on the first mating portion 21 of the staple cartridge assembly 2, and the storage device assembly 3 includes a storage device 31, two first electrical connectors 32 and a support member 33.
  • the storage device 31 is, for example, an EEPROM (Electrically Erasable Programmable read only memory, The storage device 31 is used to store information related to the use of the stapler, such as the number of uses, sterilization cycle, nail size, jaw size, identification information of the actuator or nail magazine, etc.
  • the storage device 31 and the first electrical connector 32 are arranged on the support member 33, and the first electrical connector 32 is at least partially exposed along the axial direction at the proximal side of the support member 33.
  • the first electrical connector 32 is a finger-shaped electrical connector, but the present application is not limited to this.
  • the first matching portion 21 has a second opening 212 facing the proximal side.
  • the support member 33 at least partially enters the second opening 212, and the first electrical connector 32 is at least partially exposed at the proximal end of the first matching portion 21, and the portion of the first electrical connector 32 exposed at the proximal end of the first matching portion 21 is the electrical connection point of the first electrical connector 32.
  • a guide portion 331 is provided on one side of the support member 33, and a side wall of the first matching portion 21 is provided with a guide groove 211 extending along the axial direction of the stapler. When the support member 33 carrying the first electrical connector 32 and the storage device 31 is installed on the first matching portion 21 , the guide portion 331 is at least partially inserted into the guide groove 211 to guide the installation of the support member 33 .
  • the side wall of the support member 33 may be provided with a guide groove 211
  • the inner wall of the first matching portion 21 may be provided with a guide portion 331 .
  • the storage device connection assembly also includes two second electrical connectors 4 and two wires 5 (one wire 5 is shown in the figure as an example).
  • the second electrical connector 4 and the wire 5 are both arranged in the second matching portion 1 of the stapler housing 10.
  • Each second electrical connector 4 is electrically connected to the distal end 51 of a corresponding wire 5, and the proximal end of the wire 5 is connected to the control device in the stapler body.
  • the second electrical connector 4 is aligned with the first electrical connector 32 in the axial direction and abuts against each other to achieve electrical connection.
  • the first electrical connector 32 and the second electrical connector 4 are in a one-to-one correspondence.
  • the storage device 31 is connected to the control device in the stapler body through the first electrical connector 32, the second electrical connector 4 and the wire 5 in sequence, and the control device can control the storage device 31 and read the stored data from the storage device 31.
  • the distal end of the second matching portion 1 is provided with a first opening 15.
  • the inner diameter of the second matching part 1 is greater than or equal to the outer diameter of the first matching part 21.
  • the first matching part 21 can at least partially enter the interior of the second matching part 1 through the first opening 15.
  • the distal end of the second matching part 1 is provided with a mounting wall 16, and the mounting wall 16 is provided with two mounting holes 14.
  • the second electrical connector 4 is penetrated in the mounting holes 14 and at least partially exposed to the distal side of the second matching part 1 along the axial direction.
  • the proximal end surface of the first matching part 21 is at least partially opposite to the mounting hole 14, and the proximal end of the first electrical connector 32 abuts against and is electrically connected to the distal end of the second electrical connector 4.
  • the second electrical connector 4 includes a mounting part 42 disposed inside the mounting hole 14, and the distal end of the mounting part 42 is provided with an elastic connecting part 41, and the elastic connecting part 41 can be driven to change the size in the axial direction.
  • the elastic connecting part 41 is not subjected to pressure and protrudes from the distal end of the mounting part 42 and has a first axial length.
  • the proximal end of the first electrical connector 32 compresses the elastic connector 41, so that the elastic connector 41 is retracted toward the mounting portion 42 and has a second axial length, and the second axial length is less than the first axial length, which can ensure the stability of the abutment and electrical connection between the first electrical connector 32 and the second electrical connector 4.
  • the elastic connector 41 can itself be an elastic metal connector, or an elastic member can be provided at the proximal end of the elastic connector 41, so that the elastic connector 41 can compress the elastic member and reduce the axial length.
  • a rigid connector can also be provided at the distal end of the mounting portion 42, so as to improve the reliability of the abutment and electrical connection between the first electrical connector 32 and the second electrical connector 4 after assembly by controlling the position accuracy of the first electrical connector 32 and the second electrical connector 4.
  • the distal side wall of the second mating portion 1 is provided with a first cavity 11 on the proximal side close to the mounting hole 14, and the mounting hole 14 is connected to the first cavity 11.
  • the side wall of the second mating portion 1 is also provided with a mounting groove 12 extending along the axial direction, and the wire 5 is at least partially embedded in the mounting groove 12, and the mounting groove 12 is connected to the first cavity 11 through the wire through hole 13.
  • Figure 9 exemplarily shows a structure in which a wire 5 cooperates with the second electrical connector 4.
  • Figure 10 exemplarily shows a structure in which two wires 5 cooperate with the second electrical connector 4.
  • the operation can be performed at the first cavity 11, and the second electrical connector 4 can be inserted from the proximal end of the mounting hole 14, and inserted until the elastic connecting portion 41 is at least partially exposed from the distal end of the mounting hole 14.
  • the portion of the elastic connection portion 41 exposed at the distal end of the mounting hole 14 is the electrical connection point of the second electrical connector 4.
  • the proximal side of the mounting hole 14 is also provided with a first step portion, and the proximal end of the mounting portion 42 of the second electrical connector 4 is provided with a second step portion 43 that matches the first step portion.

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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

L'invention concerne un ensemble de connexion d'appareil de stockage et une agrafeuse chirurgicale. L'agrafeuse chirurgicale comprend un mécanisme d'exécution et un corps d'agrafeuse qui sont reliés de manière amovible. L'ensemble de connexion d'appareil de stockage comprend : un appareil de stockage (31) disposé sur le mécanisme d'exécution, un premier élément de connexion électrique (32) disposé sur le mécanisme d'exécution et connecté électriquement à l'appareil de stockage (31), et un second élément de connexion électrique (4) disposé sur le corps d'agrafeuse. Lorsque le mécanisme d'exécution est connecté au corps d'agrafeuse le long de la direction axiale de l'agrafeuse, le second élément de connexion électrique (4) et le premier élément de connexion électrique (32) sont alignés dans la direction axiale et viennent en butée l'un contre l'autre pour obtenir une connexion électrique. Le premier élément de connexion électrique (32) et le second élément de connexion électrique (4) viennent en butée l'un contre l'autre dans la direction axiale de l'agrafeuse pour obtenir une connexion électrique, et un assemblage incorrect dû à la déformation du premier élément de connexion électrique (32) ou du second élément de connexion électrique (4) provoqué par l'interférence d'un point de connexion électrique du premier élément de connexion électrique (32) et du second élément de connexion électrique (4) avec une structure mécanique est évité, améliorant ainsi la fiabilité d'assemblage et assurant des effets chirurgicaux.
PCT/CN2023/133111 2022-12-01 2023-11-22 Ensemble de connexion d'appareil de stockage et agrafeuse chirurgicale WO2024114463A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211531081.9 2022-12-01
CN202211531081.9A CN115778460A (zh) 2022-12-01 2022-12-01 存储装置连接组件及外科吻合器

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WO2024114463A1 true WO2024114463A1 (fr) 2024-06-06

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115778460A (zh) * 2022-12-01 2023-03-14 天臣国际医疗科技股份有限公司 存储装置连接组件及外科吻合器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110192903A (zh) * 2018-11-08 2019-09-03 北京派尔特医疗科技股份有限公司 一种吻合器主体、钉匣、吻合器以及吻合器的控制方法
US20200093487A1 (en) * 2014-09-05 2020-03-26 Ethicon Llc Smart cartridge wake up operation and data retention
CN111938733A (zh) * 2014-06-09 2020-11-17 柯惠Lp公司 可重复使用的手术器械的认证和信息系统
WO2021244575A1 (fr) * 2020-06-03 2021-12-09 苏州英途康医疗科技有限公司 Adaptateur pour dispositif d'anastomose endoscope électrique, et dispositif d'anastomose endoscope électrique
CN114533165A (zh) * 2022-01-20 2022-05-27 北京天助畅运医疗技术股份有限公司 电动腔镜吻合器及其控制方法和控制装置
CN115778460A (zh) * 2022-12-01 2023-03-14 天臣国际医疗科技股份有限公司 存储装置连接组件及外科吻合器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111938733A (zh) * 2014-06-09 2020-11-17 柯惠Lp公司 可重复使用的手术器械的认证和信息系统
US20200093487A1 (en) * 2014-09-05 2020-03-26 Ethicon Llc Smart cartridge wake up operation and data retention
CN110192903A (zh) * 2018-11-08 2019-09-03 北京派尔特医疗科技股份有限公司 一种吻合器主体、钉匣、吻合器以及吻合器的控制方法
WO2021244575A1 (fr) * 2020-06-03 2021-12-09 苏州英途康医疗科技有限公司 Adaptateur pour dispositif d'anastomose endoscope électrique, et dispositif d'anastomose endoscope électrique
CN114533165A (zh) * 2022-01-20 2022-05-27 北京天助畅运医疗技术股份有限公司 电动腔镜吻合器及其控制方法和控制装置
CN115778460A (zh) * 2022-12-01 2023-03-14 天臣国际医疗科技股份有限公司 存储装置连接组件及外科吻合器

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