WO2020108302A1 - 医疗器械 - Google Patents

医疗器械 Download PDF

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Publication number
WO2020108302A1
WO2020108302A1 PCT/CN2019/117905 CN2019117905W WO2020108302A1 WO 2020108302 A1 WO2020108302 A1 WO 2020108302A1 CN 2019117905 W CN2019117905 W CN 2019117905W WO 2020108302 A1 WO2020108302 A1 WO 2020108302A1
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WO
WIPO (PCT)
Prior art keywords
clip
clamp
rod
medical device
assembly
Prior art date
Application number
PCT/CN2019/117905
Other languages
English (en)
French (fr)
Inventor
周丙超
张翚
杜运峰
刘殿臣
Original Assignee
苏州英途康医疗科技有限公司
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 苏州英途康医疗科技有限公司 filed Critical 苏州英途康医疗科技有限公司
Priority to EP19890383.3A priority Critical patent/EP3834747A4/en
Priority to US17/273,341 priority patent/US11464519B2/en
Publication of WO2020108302A1 publication Critical patent/WO2020108302A1/zh

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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
    • A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
    • A61B17/1285—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips for minimally invasive surgery
    • 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
    • A61B17/128—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for applying or removing clamps or clips
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00115—Electrical control of surgical instruments with audible or visual output
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00681—Aspects not otherwise provided for
    • A61B2017/00734—Aspects not otherwise provided for battery operated
    • 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
    • A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0266—Operational features for monitoring or limiting apparatus function
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/90—Identification means for patients or instruments, e.g. tags
    • A61B90/98—Identification means for patients or instruments, e.g. tags using electromagnetic means, e.g. transponders

Definitions

  • the invention relates to a medical device, which belongs to the technical field of medical devices.
  • the broken blood vessels in the incision need to be ligated to prevent bleeding.
  • Hemostasis technology has become one of the cores of basic surgical operation techniques. Surgical operation of any part of the human body involves bleeding and hemostasis almost without exception. Generally, ligation clips are used to close the hemostasis.
  • the existing clip appliers have no or only a simple preoperative safety device, so there is a problem that the components exceed the stroke range during the operation. During the operation, if the device exceeds the travel range, it may cause problems such as false firing and increase the risk of surgery.
  • the purpose of the present invention is to provide a medical device with extremely high safety factor, reduced surgical risk, simple structure and convenient operation.
  • a medical device includes a clamp, a working head and a handle, the working head connects the clamp and the handle, the handle includes a housing and is disposed on the housing
  • a firing force member on the body the working head includes a firing rod, a setting cavity provided on one side of the firing rod, and a clamping cartridge assembly provided in the setting cavity for delivering the ligating clip to the clamp
  • An inner cavity communicated with the setting cavity is formed in the housing, the firing rod is respectively connected to the firing force applying member and the clamp, and the firing force member drives the firing lever to move to cause the clip
  • the forceps are opened or closed; the medical device further includes a limiter to prevent the clip assembly and/or drive assembly from exceeding the range of travel.
  • the limiter includes a screw rod provided on the driving assembly, the screw rod is connected to the clamping cartridge assembly through a connecting piece, and the screw rod is screw-connected to the connecting piece, the The driving assembly drives the screw to push the connecting piece to drive the clamp assembly to feed.
  • the driving assembly drives the screw beyond the stroke range, the medical device stops working.
  • the limiter includes an electronic switch disposed on the clip assembly, a receiver disposed in the inner cavity and coupled with the electronic switch; when the receiver receives the electronic switch When signaled, the medical device stops working.
  • the limiter includes a first stopper disposed on a side shell of the inner cavity, a second stopper disposed in the inner cavity, and a clamper A protrusion on the assembly that is held by the second stopper, the protrusion is disposed between the first stopper and the second stopper; one end of the clip assembly is connected to the first stopper When the stopper resists or the projection block resists the second stopper, the medical device stops working.
  • the clip compartment assembly includes a ligation clip, a clip compartment groove for placing the ligation clip, and a push clip piece covered on the clip compartment groove, and the push clip piece is provided with a plurality of The ratchet teeth of the clamp, the ratchet teeth bear against the ligation clamp to push the ligation clamp to move toward the clamp under the drive of the driving rod.
  • the medical device further includes a driving rod provided on the clip cartridge assembly to push the push clip to move, and a push clip urging member is further provided on the handle, and the push clip urging member is The driving rod is connected to drive the driving rod to push the push clip to move.
  • a positioning block is provided in the inner cavity, a clamping portion is provided on the driving rod, and the positioning block cooperates with the clamping portion to restrict the movement of the driving rod in the direction of the clamp.
  • the driving lever includes a main lever body portion and a bending portion bent outward from one side of the main lever body portion, and the clamping portion includes a hook provided on the bending portion and a The first convex block on the main rod body, the positioning block is disposed between the hook and the first convex block.
  • the firing force member includes a paddle and a movable member
  • the paddle has a first connection portion, a second connection portion and a third connection portion, the first connection portion is connected to the housing shaft ,
  • the second connecting part is connected to the connecting rod, the third connecting part is connected to the movable part;
  • the positioning block is held by the paddle; when the positioning block moves forward, the The paddle rotates toward the direction of the gripper through the first connecting part to drive the firing lever to control the opening of the gripper, and when the positioning block moves backward, the paddle faces the direction through the first connecting part
  • the handle rotates in the direction described above to drive the firing lever to control the closing of the clamp.
  • a guide groove is provided in the housing, and the movable member is provided in the guide groove.
  • the movable member includes a spring fixedly arranged in the guide groove and used for resetting the paddle and a spring rod arranged in the spring, one end of the spring rod and the dial Piece connection, the other end of the spring rod resists the spring.
  • the medical device of the present invention has a simple structure and is easy to operate; by providing limited position protection, the medical device has a very high safety factor, effectively reducing the probability of failure when a single failure occurs, and reducing the surgical risk;
  • FIG. 1 is a schematic diagram of the overall structure of the medical device of the present invention.
  • FIG. 2 is a schematic diagram of the structure of the cartridge assembly in FIG. 1.
  • FIG. 3 is a schematic diagram of the structure of the ligation clip in FIG. 2.
  • FIG. 4 is a schematic cross-sectional structure diagram of the medical device of the present invention.
  • FIG 5 is another schematic cross-sectional structure diagram of the medical device of the present invention.
  • FIG. 6 is a schematic structural diagram of the driving assembly in FIG. 4.
  • FIG. 7 is a schematic structural diagram of the connection assembly in FIG. 4.
  • a medical device in a preferred embodiment of the present invention includes a clamp 3, a working head 2 and a handle 1, the working head 2 connects the clamp 3 and the handle 1, the work
  • the head 2 includes a housing 10, a firing force member provided in the housing 10, a firing lever 21 connected to the firing force member, a positioning cavity 22 provided on one side of the firing lever 21, A clamping chamber assembly 23 in the installation cavity 22 for delivering the ligating clamp 231 to the clamp 3, the firing rod 21 is respectively connected to the firing force applying member and the clamp 3, and is forced by the firing force The piece drives the firing rod 21 to move to open or close the clamp 3.
  • An inner cavity 11 communicating with the positioning cavity 22 is formed in the housing 10, an opening 12 is opened on the housing 10 on one side of the inner cavity 11, and the clip assembly 23 passes through the opening 12 to pass through the inner
  • the cavity 11 is further inserted into the positioning cavity 22.
  • the casing 10 is further provided with a cover 13 connected to the opening 12, and the cover 13 is opened or closed relative to the opening 12.
  • the clamp 3 includes a movable jaw 31 and a fixed jaw 32.
  • the movable jaw 31 and the fixed jaw 32 are connected by a rotating shaft 33, and the firing rod 21 is connected to the rotating shaft 33.
  • the firing rod 21 moves forward or backward to control the movable jaw 31 to open or close relative to the fixed jaw 32.
  • the clamping cartridge assembly 23 includes a ligating clip 231, a clamping slot 232 for placing the ligating clip 231, and a pushing clip piece 233 provided on the clamping slot 232.
  • the pushing clip piece 233 is provided with A plurality of ratchet teeth facing the clamp 3, the ratchet teeth abut the ligation clamp 231 to push the ligation clamp 231 to move toward the clamp 3 under the driving of the driving rod 26.
  • the ligating clip 231 includes a first clip arm 2311, a second clip arm 2312, and a connecting member 2313 for connecting the first clip arm 2311 and the second clip arm 2312.
  • the first clamping arm 2311 is further provided with a boss 2314 for resisting the ratchet teeth to push the ligating clamp 231 to move toward the clamp 3 in the clamping slot 232
  • the boss 2314 is a cylinder It is formed on the end of the first clamping arm 2311 away from the connecting member 2313.
  • the boss 2314 has a slope extending along the moving direction of the ligating clip 231 in the clip slot 232.
  • the ratchets resist the boss 2314 to push the ligating clip 231 toward the clamp 3; when the push clip 233 is retracted, due to the boss
  • the inclined surface of 2314 gradually slopes downward from the direction of the clamp 3, and the ratchet tooth does not interfere with the ligating clip 231 when it retracts following the pushing clip 233, and the position of the ligating clip 231 remains unchanged.
  • the medical device further includes a driving rod 26 provided on the clip cartridge assembly 23, and a push clip urging member is further provided on the handle 1, and the push clip urging member is connected to the driving rod 26 to drive
  • the driving rod 26 pushes the push clip 233 to move.
  • the push clip piece 233 is disposed on the clip magazine groove 232 and connected to the push clip piece 233.
  • one end of the push clip piece 233 is provided with a mounting portion 2331.
  • the push clip 233 is connected through the mounting portion 2331.
  • a brake 27 is detachably disposed between the driving rod 26 and the cartridge assembly 23 to restrict relative movement of the driving rod 26 and the cartridge assembly 23.
  • a bending piece 2321 is provided on one side of the clamping slot 232, the driving rod 26 has a resisting surface facing away from the clamp 3, and the bending piece 2321 is held against the braking piece 27 against the face.
  • the recessed surface of the resisting surface is formed with a groove for accommodating the bending piece 2321, or the resisting surface is a flat surface, and it only needs to form resistance to the bending piece 2321, which is not limited herein .
  • the driving rod 26 is provided with a clamping slot 263, and the braking member 27 is provided with a clamping block 271 which is engaged with the clamping slot 263.
  • the braking member 27 is M-shaped, the M-shaped braking member 27 is bent inwardly to provide a locking block 271, and the driving rod 26 is provided with locking slots 263 on both sides of one end.
  • the M-shaped braking member 27 slides into the clamping slot 263 through the clamping block 271 to fix the driving rod 26 and the clamping slot 232.
  • the pushing clip force member includes a positioning block 24, a connecting component 25 connected to the positioning block 24, and a driving component 28 connected to the connecting component 25, the driving component 28 is driven to push the connecting component 25 and then The positioning block 24 is driven to move.
  • the positioning block 24 is disposed in the inner cavity 11, the driving rod 26 is provided with a clamping portion, and the positioning block 24 cooperates with the clamping portion to restrict the movement of the driving rod 26 in the direction of the clamp 3.
  • the driving rod 26 includes a main rod body portion 261 and a bending portion 262 formed by bending outward from one side of the main rod body portion 261, and the clamping portion includes a hook 2621 provided on the bending portion 262 And a first protrusion 2611 provided on the main rod body 261, and the positioning block 24 is provided between the hook 2621 and the first protrusion 2611.
  • the positioning block 24 is provided with a first through hole for allowing the clip assembly 23 to enter the positioning cavity 22.
  • the hook 2621 passes through the first through hole to resist the positioning block 24.
  • the hook 2621 is a slope-shaped structure, and the slope-shaped structure has an inclined surface and a vertical surface connected to the inclined surface, and the vertical surface is locked with the positioning block 24. Taking the direction of arrow a in the figure as the front, the slope-like structure slopes upward from the front. The slope-like structure elastically returns to the positioning block 24 after passing through the first through hole under the pressure of the first through hole.
  • the first protrusion 2611 and the hook 2621 are provided on different surfaces to better fix the clip assembly 23. It is true that in other embodiments, the first protrusion 2611 and the hook 2621 can also be disposed on the same plane, which is not limited herein.
  • the medical device further includes a stopper for preventing the cartridge assembly 23 and/or the drive assembly 28 from exceeding the range of travel.
  • the limiter includes a first stopper, a second stopper 43, and a second protrusion 2322.
  • the first stopper is disposed on one side housing 10 of the inner cavity 11, and the first stopper resists one end of the clip assembly 23 to restrict the clip assembly 23 toward the Handle 1 moves in the direction.
  • the second stopper 43 is disposed in the inner cavity 11, the second protrusion 2322 is disposed on the clamping slot 232 and is locked with the second stopper 43, the second The convex block 2322 is disposed between the first stopper and the second stopper 43, and the second stopper 43 and the second convex block 2322 are locked to limit the orientation of the clip assembly 23 The clamp moves in three directions.
  • the first stopper, the second stopper 43 and the second protrusion 2322 are disposed to form a first limit protection for the clip assembly 23.
  • the medical device stops working.
  • the stopper includes a screw 285 provided on the drive assembly 28, the screw 285 is connected to the clamping cartridge assembly 23 through a connection assembly 25, and the screw 285 is threaded on the connection assembly 25 Connection, the drive assembly 28 drives the screw 285 to push the connection assembly 25 to drive the clamp assembly 23 to feed, when the drive assembly 28 drives the screw 285 out of the stroke range, the medical device stop working.
  • the driving assembly 28 is disposed in the handle 1, and further includes a driving motor 281, a first gear 282 connected to the driving motor 281, a second gear 283 that is vertically meshed with the first gear 282, and A nut 284 connected to the second gear 283, the second gear 283 is sleeved on the nut 284.
  • the driving motor 281 has an output shaft, and the first gear 282 is sleeved on the output shaft.
  • the output shaft transmits the speed and torque output by the drive motor 281 to the first gear 282 and the second gear 283, and converts radial rotation to axial rotation.
  • the driving assembly 28 is screwed to the connecting assembly 25 through a screw 285, and the length of the screw 285 is limited to form a third limit protection for the medical device.
  • the limiter includes an electronic switch disposed on the clip assembly 23, and a receiver disposed in the inner cavity 11 and coupled with the electronic switch.
  • the electronic switch cooperates with the receiver to form a second limit protection for the clip assembly 23.
  • the medical device stops working.
  • the number of the electronic switches is two, which are a first electronic switch and a second electronic switch, respectively.
  • the first electronic switch and the second electronic switch are disposed on two sides of the clip assembly 23 Side to prevent the cartridge assembly 23 from exceeding the range of travel.
  • the electronic switch is a conventional position switch, which will not be repeated here.
  • the electronic switch may also be provided on the connection assembly 25 and/or the positioning block 24, which is determined according to actual application requirements and is not specifically limited herein.
  • the connecting assembly 25 includes a connecting piece 251 and a connecting rod 252.
  • the connecting rod 252 connects the connecting piece 251 and the positioning block 24.
  • the screw 285 is connected to the connecting piece 251.
  • the driving assembly 28 drives the screw 285 to move forward so that the connecting piece 251 drives the positioning block 24 to move the clamping cartridge assembly 23 in the direction of the clamp 3.
  • the connecting piece 251 is provided with a second through hole and a third through hole, the screw 285 is screw-connected with the third through hole, and the clip assembly 23 passes through the second through hole to enter the installation cavity twenty two.
  • the connecting assembly 25 may further include a connecting sleeve 253, and the connecting piece 251 is sleeved on the connecting sleeve 253. At this time, the connecting rod 252 connects the connecting sleeve 253 and the positioning block 24.
  • the firing force member includes a paddle 41 and a movable member 42, the paddle 41 has a first connection portion, a second connection portion and a third connection portion, the first connection portion and the housing 10 axis
  • the second connecting portion is connected to the connecting rod 252
  • the third connecting portion is connected to the movable member 42
  • the positioning block 24 is engaged with the paddle 41.
  • the first connection portion, the second connection portion, and the third connection portion form a triangle, which can better drive the firing lever 21 forward or forward when the paddle 41 is tilted forward or backward Move backwards.
  • the casing 10 is provided with a guide groove, and the movable member 42 is provided in the guide groove.
  • the movable member 42 includes a spring 421 fixedly disposed in the guide groove and used for resetting the paddle 41, and a spring rod 422 disposed in the spring 421. One end of the spring rod 422 is The paddle 41 is connected, and the other end of the spring rod 422 bears against the spring 421.
  • the firing force member may be a firing handle, which is directly connected to the firing rod 21 to drive the firing rod 21 to fire, which is not limited herein.
  • the medical device further includes a rotating handle 4 for connecting the handle 1 and the working head 2. By adjusting the rotating handle 4 to adjust the angle of the clamp 3, thereby reducing the adjustment of the clamp 3 due to angle limitation during operation The difficulty of the angle.
  • both the second stopper 43 and the guide groove are provided on the rotary handle 4.
  • the handle 1 includes a housing 16, a control circuit disposed in the housing 10, and a first switch 14 and a second switch 15 coupled to the control circuit, the first switch 14 is used to drive the driving lever 26 And the firing lever 21 moves forward, and the second switch 15 is used to drive the driving lever 26 and the firing lever 21 to move backward.
  • the driving component 28 is coupled to the control circuit.
  • the handle 1 further includes a battery coupled to the control circuit and a display provided on the handle 1.
  • the inside of the control circuit is composed of a drive module 28 control module controlled by a single chip microcomputer, a work head identification module, a clip magazine sending and firing stroke control module, a battery detection and control module, a machine working state indication module and a data record storage module.
  • the control module of the drive assembly 28 is responsible for controlling the start and stop of the screw 285.
  • the first switch 14 and the second switch 15 installed under the handle 1 are isolated from the inside of the main body of the clamp, and pass the first switch 14 and the second switch 15
  • the internal magnet is close to and far away from the Hall switch sealed inside the handle 1 to realize the control of the drive assembly 28;
  • the identification module of the working head 2 transmits the type data of the working head 2 through the terminal provided on the installation cavity 22, and then instructs the control circuit to call the corresponding working program;
  • the clip sending and firing stroke control module is composed of the signal recognition module installed in the working head 2, the electronic switch position control module, and the safety module to realize the clip sending and firing actions;
  • Battery detection and control module battery detection module provides battery power detection function, will monitor battery power before and during surgery to ensure that the battery power used in surgery can meet the needs of surgery or replace the battery in time;
  • the working state indication module provides the display of the battery power display, the working head 2 connection state, the clip feeding completion state, and the firing completion state through the display.
  • the working process of the medical device of the present invention is: pressing the first switch 14, the driving assembly 28 drives the driving rod 26 through the screw 285 to push the push clip 233 to move forward, until the ligating clip 231 is pushed to the clamp 3 within.
  • the firing rod 21 moves forward simultaneously, so that the clamp 3 is in an open state; pressing the second switch 15, the driving assembly 28 drives the driving rod 26 through the screw 285 to drive the pushing clip 233 to move backward At the same time, the firing rod 21 moves backward simultaneously, so that the clamp 3 is tightly closed to ligate the target tissue.
  • the clamping cartridge assembly 23 can enter and exit the cavity through the opening 12 so that the ligation clamp 231 is delivered to the clamp 3, so that the clamping cartridge assembly 23 can be replaced, and the clamp 3.
  • the working head 2 and the handle 1 can be reused, so as to achieve the purpose of cost saving;
  • the positioning block 24 is locked with the pick 41 to drive the firing lever 21 forward or backward to control the opening and closing of the clamp 3, so that the firing lever 21, the clamp 3 and the clamp assembly 23 can be operated at the same time, without the need to separate and single
  • the operation achieves the purposes of simplifying the device, rapid firing, and improving efficiency.

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

Abstract

一种医疗器械，包括夹钳（3）、工作头（2）及手柄（1），工作头（2）连接夹钳（3）与手柄（1），手柄（1）包括壳体（10），工作头（2）包括击发施力件、与击发施力件连接的击发杆（21）、设置在所述击发杆（21）一侧的安置腔（22）、设置在所述安置腔（22）内用以给所述夹钳（3）输送结扎夹（231）的夹仓组件（23），所述壳体（10）内形成与所述安置腔（22）连通的内腔（11），所述击发杆（21）分别与所述击发施力件和夹钳（3）连接、并且由所述击发施力件驱动该击发杆（21）运动进而使所述夹钳（3）张开或闭合；所述医疗器械还包括用以防止所述夹仓组件（23）和/或驱动组件（26）超出行程范围的限位件。该医疗器械通过设置有限位保护，使其具有极高的安全系数，有效降低在发生单一故障时失效的概率，降低手术风险；且结构简单，操作方便。

Description

医疗器械
本申请要求了申请日为2018年11月30日，申请号为201811449486.1的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及一种医疗器械，属于医疗器械技术领域。
背景技术
外科手术过程中为充分暴露手术视野，需要对切口内的断裂血管进行结扎，以阻止出血。止血技术已经成为了外科手术基本操作技术的核心之一，人体任何部位的外科操作几乎无一例外地涉及到出血与止血，一般使用施夹钳结扎夹闭合止血。然而，现有的施夹钳没有或者只有简易的术前保险装置，因而在手术中存在部件超出行程范围的问题。在手术过程中，如果器件超行程范围，可能会造成误击发等问题，使手术风险增大。
发明内容
本发明的目的在于提供一种具有极高安全系数、降低手术风险、且结构简单、操作方便的医疗器械。
为达到上述目的，本发明提供如下技术方案：一种医疗器械，包括夹钳、工作头及手柄，所述工作头连接所述夹钳与手柄，所述手柄包括壳体和设置在所述壳体上的击发施力件，所述工作头包括击发杆、设置在所述击发杆一侧的安置腔、设置在所述安置腔内用以给所述夹钳输送结扎夹的夹仓组件，所述壳体内形成与所述安置腔连通的内腔，所述击发杆分别与所述击发施力件和夹钳连接、并且由所述击发施力件驱动该击发杆运动进而使所述夹钳张开或闭合；所述医疗器械还包括用以防止所述夹仓组件和/或驱动组件超出行程范围的限位件。
进一步地，所述限位件包括设置在所述设置在所述驱动组件上的螺杆，所述螺杆通过连接片与所述夹仓组件连接，所述螺杆与所述连接片螺纹连接，所述驱动组件驱动所述螺杆推动所述连接片进而以驱动所述夹仓组件进给，当所 述驱动组件驱动所述螺杆超出行程范围时，所述医疗器械停止工作。
进一步地，所述限位件包括设置在所述夹仓组件上的电子开关、设置在所述内腔内并与所述电子开关耦合的接收器；当所述接收器接收到所述电子开关信号时，所述医疗器械停止工作。
进一步地，所述限位件包括设置在所述内腔的的一侧壳体上的第一止位件、设置在所述内腔内的第二止位件、及设置在所述夹仓组件上与所述第二止位件卡持的凸块，所述凸块设置在所述第一止位件与第二止位件之间；所述夹仓组件的一端与所述第一止位件抵持或所述凸块与所述第二止位件抵持时，所述医疗器械停止工作。
进一步地，所述夹仓组件包括结扎夹、用以放置所述结扎夹的夹仓槽、盖设在所述夹仓槽上的推夹片，所述推夹片上设置有若干个朝向所述夹钳的棘齿，所述棘齿抵持所述结扎夹以在所述驱动杆的驱动下推动所述结扎夹朝向所述夹钳移动。
进一步地，所述医疗器械还包括设置在所述夹仓组件上以推动所述推夹片移动的驱动杆，所述手柄上还设置有推夹施力件，所述推夹施力件与所述驱动杆连接以驱动所述驱动杆推动所述推夹片移动。
进一步地，所述内腔内设置有定位块，所述驱动杆上设置有卡持部，所述定位块与卡持部配合以限制所述驱动杆朝向夹钳的方向移动。
进一步地，所述驱动杆包括主杆体部和自所述主杆体部一侧向外弯折形成的折弯部，所述卡持部包括设置在所述折弯部上的卡勾及设置在所述主杆体部上的第一凸块，所述定位块设置在所述卡勾及第一凸块之间。
进一步地，所述击发施力件包括拨片及与活动件，所述拨片具有第一连接部、第二连接部及第三连接部，所述第一连接部与所述壳体轴连接，所述第二连接部与所述连接杆连接，所述第三连接部与所述活动件连接；所述定位块与所述拨片卡持；当所述定位块向前运动时，所述拨片通过所述第一连接部朝向所述夹钳方向旋转以驱动击发杆控制夹钳张开，当所述定位块向后移动时，所述拨片通过所述第一连接部朝向所述手柄方向旋转以驱动击发杆控制夹钳闭合。
进一步地，所述壳体内设置有导槽，所述活动件设置在所述导槽内。
进一步地，所述活动件包括固定设置在所述导槽内并用以复位所述拨片的弹簧及设置在所述设置在所述弹簧内的弹簧杆，所述弹簧杆的一端与所述拨片连接，所述弹簧杆的另一端抵持所述弹簧。
本发明的有益效果在于：本发明的医疗器械结构简单，操作方便；通过设置有限位保护，使得医疗器械具有极高的安全系数，有效降低在发生单一故障时失效的概率，降低手术风险；
通过定位块与拨片卡持以驱动击发杆前进或后退从而控制夹钳张开或闭合，达到了简化装置、击发快速高效的目的。
上述说明仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，并可依照说明书的内容予以实施，以下以本发明的较佳实施例并配合附图详细说明如后。
附图说明
图1为本发明的医疗器械的整体结构示意图。
图2为图1中的夹仓组件的结构示意图。
图3为图2中的结扎夹的结构示意图。
图4为本发明的医疗器械的剖面结构示意图。
图5为本发明的医疗器械的另一剖面结构示意图。
图6为图4中的驱动组件的结构示意图。
图7为图4中的连接组件的结构示意图。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。
请参见图1至图7，本发明的一较佳实施例中的医疗器械包括夹钳3、工作头2及手柄1，所述工作头2连接所述夹钳3与手柄1，所述工作头2包括壳体10、设置在所述壳体10内的击发施力件、与所述击发施力件连接的击发杆21、设置在所述击发杆21一侧的安置腔22、设置在所述安置腔22内用以给所述夹 钳3输送结扎夹231的夹仓组件23，所述击发杆21分别与所述击发施力件和夹钳3连接、并且由所述击发施力件驱动该击发杆21运动进而使所述夹钳3张开或闭合。所述壳体10内形成与所述安置腔22连通的内腔11，所述内腔11的一侧壳体10上开设有开口12，所述夹仓组件23通过开口12以经过所述内腔11进而插入至所述安置腔22内。所述壳体10上还设置有与所述开口12连接的盖体13，所述盖体13相对于所述开口12打开或闭合。
所述夹钳3包括活动钳口31及固定钳口32，所述活动钳口31与固定钳口32通过转轴33连接，所述击发杆21与所述转轴33连接。所述击发杆21向前或向后移动以控制所述活动钳口31相对于所述固定钳口32张开或闭合。
所述夹仓组件23包括结扎夹231、用以放置所述结扎夹231的夹仓槽232、盖设在所述夹仓槽232上的推夹片233，所述推夹片233上设置有若干个朝向所述夹钳3的棘齿，所述棘齿抵持所述结扎夹231以在所述驱动杆26的驱动下推动所述结扎夹231朝向所述夹钳3移动。所述结扎夹231包括第一夹臂2311、第二夹臂2312及用于连接所述第一夹臂2311及第二夹臂2312的连接件2313。所述第一夹臂2311上还设置有用以使所述棘齿抵持以推动该结扎夹231在所述夹仓槽232内朝夹钳3移动的凸台2314，所述凸台2314为圆柱状并设置在所述第一夹臂2311远离所述连接件2313的一端。所述凸台2314具有沿所述结扎夹231在夹仓槽232内的移动方向延伸的斜面。当所述推夹片233送夹时，所述棘齿抵持所述凸台2314以将所述结扎夹231推向所述夹钳3；当所述推夹片233退回时，由于凸台2314的斜面是自夹钳3方向逐渐向下倾斜，所述棘齿跟随所述推夹片233退回时不会对所述结扎夹231形成干涉，所述结扎夹231位置保持不变。
所述医疗器械还包括设置在所述夹仓组件23上的驱动杆26，所述手柄1上还设置有推夹施力件，所述推夹施力件与所述驱动杆26连接以驱动所述驱动杆26推动所述推夹片233移动。所述推夹片233设置在所述夹仓槽232上并与所述推夹片233连接，在本实施例中，所述推夹片233的一端设置有安装部2331，所述驱动件与所述推夹片233通过所述安装部2331连接。
所述驱动杆26与夹仓组件23之间可拆卸地设置有制动件27，以限制所述驱动杆26与夹仓组件23相对运动。所述夹仓槽232的一侧设置有折弯片2321，所述驱动杆26具有背向所述夹钳3的抵持面，所述折弯片2321通过制动件27抵持在所述抵持面上。所述抵持面内凹形成有用以容纳所述折弯片2321的凹槽，或所述抵持面为平面，只需与所述折弯片2321形成抵持即可，在此不做限定。
所述驱动杆26上设置有卡槽263，所述制动件27上设置有与所述卡槽263卡持配合的卡块271。在本实施例中，所述制动件27为M型，该M型制动件27的向内弯折设置有卡块271，所述驱动杆26的一端的两侧设置有卡槽263，所述M型制动件27通过卡块271滑入卡槽263以将驱动杆26及夹仓槽232固定。
所述推夹施力件包括定位块24、与所述定位块24连接的连接组件25及与所述连接组件25连接的驱动组件28，所述驱动组件28驱动以推动所述连接组件25进而驱动所述定位块24移动。
所述定位块24设置在内腔11内，所述驱动杆26上设置有卡持部，所述定位块24与卡持部配合以限制所述驱动杆26朝向夹钳3的方向移动。所述驱动杆26包括主杆体部261和自所述主杆体部261一侧向外弯折形成的折弯部262，所述卡持部包括设置在所述折弯部262上的卡勾2621及设置在所述主杆体部261上的第一凸块2611，所述定位块24设置在所述卡勾2621及第一凸块2611之间。所述定位块24上设置有用于使所述夹仓组件23进入所述安置腔22的第一通孔，所述卡勾2621穿过所述第一通孔与所述定位块24抵持。所述卡勾2621为坡状结构，所述坡状结构具有斜面及与所述斜面连接的垂直面，所述垂直面与所述定位块24卡持。以图中箭头a方向为前方，所述坡状结构自前往后向上倾斜。所述坡状结构在第一通孔的挤压下穿过所述第一通孔后弹性复位抵持所述定位块24。在本实施例中，所述第一凸块2611与卡勾2621设置在不同面上，以将所述夹仓组件23更好的固定。诚然，在其他实施例中，所述第一凸块2611及卡勾2621也可设置在同一平面上，在此不作限定。
所述医疗器械还包括用于防止所述夹仓组件23和/或驱动组件28超出行程 范围的限位件。
所述限位件包括第一止位件、第二止位件43及第二凸块2322。所述第一止位件设置在所述内腔11的一侧壳体10上，所述第一止位件抵持所述夹仓组件23的一端以限制所述夹仓组件23朝向所述手柄1方向移动。所述第二止位件43设置在所述内腔11内，所述第二凸块2322设置在所述夹仓槽232上并与所述第二止位件43卡持，所述第二凸块2322设置在所述第一止位件与第二止位件43之间，所述第二止位件43与所述第二凸块2322卡持以限制所述夹仓组件23朝向所述夹钳3方向移动。所述第一止位件、第二止位件43及第二凸块2322的设置以形成对所述夹仓组件23的第一限位保护。所述夹仓组件23的一端与所述第一止位件抵持或所述第二凸块2322与所述第二止位件43抵持时，所述医疗器械停止工作。
所述限位件包括设置在所述设置在所述驱动组件28上的螺杆285，所述螺杆285通过连接组件25与所述夹仓组件23连接，所述螺杆285与所述连接组件25螺纹连接，所述驱动组件28驱动所述螺杆285推动所述连接组件25进而以驱动所述夹仓组件23进给，当所述驱动组件28驱动所述螺杆285超出行程范围时，所述医疗器械停止工作。所述驱动组件28设置在所述手柄1内，还包括驱动马达281、与所述驱动马达281连接的第一齿轮282、与所述第一齿轮282竖直方向啮合设置的第二齿轮283及与所述第二齿轮283连接的螺母284，所述第二齿轮283套设在所述螺母284上。所述驱动马达281具有输出轴，所述第一齿轮282套设在所述输出轴上。输出轴将驱动马达281输出的速度和扭矩传递给第一齿轮282及第二齿轮283，将径向转动转变为轴向转动。其中，所述驱动组件28通过螺杆285与所述连接组件25实现螺纹连接，所述螺杆285的长度的限制以形成对所述医疗器械的第三限位保护。
所述限位件包括设置在所述夹仓组件23上的电子开关、设置在所述内腔11内并与所述电子开关耦合的接收器。所述电子开关与接收器的配合以形成对所述夹仓组件23的第二限位保护。当所述接收器接收到所述电子开关信号时，所述医疗器械停止工作。在本实施例中，所述电子开关的个数为两个，分别为第 一电子开关及第二电子开关，所述第一电子开关及第二电子开关设置在所述夹仓组件23的两侧以防止所述夹仓组件23超出行程范围。所述电子开关为常规位置开关，在此不做赘述。所述电子开关还可设置在所述连接组件25和/或定位块上24，根据实际应用需求而定，在此不做具体限定。
以上三种限位保护可任意组合，根据具体情况而定。
所述连接组件25包括连接片251及连接杆252，所述连接杆252连接所述连接片251及定位块24，所述螺杆285与所述连接片251连接。所述驱动组件28驱动所述螺杆285向前移动以使得所述连接片251驱动所述定位块24移动从而驱动所述夹仓组件23往夹钳3方向移动。所述连接片251上设置有第二通孔及第三通孔，所述螺杆285与所述第三通孔螺纹连接，所述夹仓组件23穿过所述第二通孔以进入安置腔22。诚然，所述连接组件25还可包括连接套253，所述连接片251套设在所述连接套253上，此时，所述连接杆252连接所述连接套253及定位块24。
所述击发施力件包括拨片41及与活动件42，所述拨片41具有第一连接部、第二连接部及第三连接部，所述第一连接部与所述壳体10轴连接，所述第二连接部与所述连接杆252连接，所述第三连接部与所述活动件42连接，所述定位块24与所述拨片41卡持。在本实施例中，所述第一连接部、第二连接部及第三连接部形成三角形，在所述拨片41前倾或后倾时能更好的带动所述击发杆21向前或向后移动。当所述定位块24向前运动时，所述拨片41通过所述第一连接部朝向所述夹钳3方向旋转以驱动击发杆21控制夹钳3张开，当所述定位块24向后移动时，所述拨片41通过所述第一连接部朝向所述手柄1方向旋转以驱动击发杆21控制夹钳3闭合。所述壳体10内设置有导槽，所述活动件42设置在所述导槽内。所述活动件42包括固定设置在所述导槽内并用以复位所述拨片41的弹簧421及设置在所述设置在所述弹簧421内的弹簧杆422，所述弹簧杆422的一端与所述拨片41连接，所述弹簧杆422的另一端抵持所述弹簧421。当所述定位块24向后移动时，所述拨片41向后下压使得弹簧421发生形变；当所述定位块24向前移动时，所述弹簧421由于其弹力驱使所述拨片41复位。
诚然，在其他实施例中，所述击发施力件可为击发手柄，所述击发手柄直接与所述击发杆21连接以驱动所述击发杆21击发，在此不作限定。
所述医疗器械还包括用于连接所述手柄1及工作头2的旋转手柄4，通过调整所述旋转手柄4以调整夹钳3的角度，从而降低操作过程中由于角度的限制调整夹钳3角度的难度。在本实施例中，所述第二止位件43及导槽皆设置在所述旋转手柄4上。
所述手柄1包括外壳16、设置在所述外壳10内的控制电路及耦合至所述控制电路的第一开关14及第二开关15，所述第一开关14用于驱动所述驱动杆26及击发杆21向前移动，所述第二开关15用于驱动所述驱动杆26及击发杆21向后移动。所述驱动组件28耦合至所述控制电路。所述手柄1还包括耦合至所述控制电路的电池及设置在所述手柄1上的显示器。
所述控制电路内部是由单片机控制的驱动组件28控制模组、工作头识别模块，夹仓送夹和击发行程控制模块、电池检测及控制模块，机器工作状态指示模块以及数据记录存储模块构成。
其中：
驱动组件28控制模组负责控制螺杆285的启动与停止，安装在手柄1下方的第一开关14及第二开关15与施夹钳的主机内部隔离，并通过第一开关14及第二开关15内部的磁铁接近与远离密闭封装在手柄1内部的霍尔开关实现驱动组件28的控制；
工作头2识别模块通过设置在安置腔22上的端子来传递工作头2类型数据，进而指示控制电路调用相应工作程序；
夹仓送夹和击发行程控制模块，由安装在工作头2中的信号识别模块，电子开关位置控制模块，安全模块共同实现送夹和击发动作；
电池检测及控制模块，电池检测模块提供电池电量检测功能，会在术前和术中监控电池电量，确保手术中使用的电池电量能够满足手术需求或及时更换电池；
工作状态指示模块，通过显示器来提供电池电量显示、工作头2连接状态、 送夹完成状态、击发完成状态的显示。
本发明的医疗器械工作过程为：按下第一开关14，所述驱动组件28通过螺杆285驱动所述驱动杆26推动推夹片233向前移动，直至将结扎夹231推移至所述夹钳3内。所述击发杆21同时向前移动，使得所述夹钳3处于张开状态；按下第二开关15，所述驱动组件28通过螺杆285驱动所述驱动杆26带动推夹片233向后移动，所述击发杆21同时向后移动，使得夹钳3紧闭以结扎目标组织。
综上所述：通过在壳体10上设置有开口12，使得夹仓组件23可通过开口12进出腔体以使得给夹钳3输送结扎夹231，实现夹仓组件23可更换、而夹钳3、工作头2及手柄1可重复使用，从而达到节约成本的目的；
通过在夹仓组件23内放置多个结扎夹231并输送给夹钳3，解决现有的器械无法实现结扎夹231连发而造成使用不方便、增加手术风险等问题；
通过设置有多个限位保护，使得医疗器械具有极高的安全系数，有效降低在发生单一故障时失效的概率；
通过定位块24与拨片41卡持以驱动击发杆21前进或后退从而控制夹钳3张开或闭合，使得击发杆21、夹钳3与夹仓组件23同时进行操作，无需分开、单次操作，达到了简化装置、击发快速、提高效率的目的。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (11)

  1. 一种医疗器械，其特征在于，包括夹钳、工作头及手柄，所述工作头连接所述夹钳与手柄，所述手柄包括壳体，所述工作头包括击发施力件、与所述击发施力件连接的击发杆、设置在所述击发杆一侧的安置腔、设置在所述安置腔内用以给所述夹钳输送结扎夹的夹仓组件，所述壳体内形成与所述安置腔连通的内腔，所述击发杆分别与所述击发施力件和夹钳连接、并且由所述击发施力件驱动该击发杆运动进而使所述夹钳张开或闭合；所述医疗器械还包括用以防止所述夹仓组件和/或驱动组件超出行程范围的限位件。
  2. 如权利要求1所述的医疗器械，其特征在于，所述限位件包括设置在所述设置在所述驱动组件上的螺杆，所述螺杆通过连接片与所述夹仓组件连接，所述螺杆与所述连接片螺纹连接，所述驱动组件驱动所述螺杆推动所述连接片进而以驱动所述夹仓组件进给，当所述驱动组件驱动所述螺杆超出行程范围时，所述医疗器械停止工作。
  3. 如权利要求1所述的医疗器械，其特征在于，所述限位件包括设置在所述夹仓组件上的电子开关、设置在所述内腔内并与所述电子开关耦合的接收器；当所述接收器接收到所述电子开关信号时，所述医疗器械停止工作。
  4. 如权利要求1所述的医疗器械，其特征在于，所述限位件包括设置在所述内腔的的一侧壳体上的第一止位件、设置在所述内腔内的第二止位件、及设置在所述夹仓组件上与所述第二止位件卡持的凸块，所述凸块设置在所述第一止位件与第二止位件之间；所述夹仓组件的一端与所述第一止位件抵持或所述凸块与所述第二止位件抵持时，所述医疗器械停止工作。
  5. 如权利要求1至4中任一项所述的医疗器械，其特征在于，所述夹仓组件包括结扎夹、用以放置所述结扎夹的夹仓槽、盖设在所述夹仓槽上的推夹片，所述推夹片上设置有若干个朝向所述夹钳的棘齿，所述棘齿抵持所述结扎夹以在所述驱动杆的驱动下推动所述结扎夹朝向所述夹钳移动。
  6. 如权利要求5所述的医疗器械，其特征在于，所述医疗器械还包括设置在所述夹仓组件上以推动所述推夹片移动的驱动杆，所述手柄上还设置有推夹施力件，所述推夹施力件与所述驱动杆连接以驱动所述驱动杆推动所述推夹片 移动。
  7. 如权利要求6所述的医疗器械，其特征在于，所述内腔内设置有定位块，所述驱动杆上设置有卡持部，所述定位块与卡持部配合以限制所述驱动杆朝向夹钳的方向移动。
  8. 如权利要求7所述的医疗器械，其特征在于，所述驱动杆包括主杆体部和自所述主杆体部一侧向外弯折形成的折弯部，所述卡持部包括设置在所述折弯部上的卡勾及设置在所述主杆体部上的第一凸块，所述定位块设置在所述卡勾及第一凸块之间。
  9. 如权利要求8所述的医疗器械，其特征在于，所述击发施力件包括拨片及与活动件，所述拨片具有第一连接部、第二连接部及第三连接部，所述第一连接部与所述壳体轴连接，所述第二连接部与所述连接杆连接，所述第三连接部与所述活动件连接；所述定位块与所述拨片卡持；当所述定位块向前运动时，所述拨片通过所述第一连接部朝向所述夹钳方向旋转以驱动击发杆控制夹钳张开，当所述定位块向后移动时，所述拨片通过所述第一连接部朝向所述手柄方向旋转以驱动击发杆控制夹钳闭合。
  10. 如权利要求9所述的医疗器械，其特征在于，所述壳体内设置有导槽，所述活动件设置在所述导槽内。
  11. 如权利要求10所述的医疗器械，其特征在于，所述活动件包括固定设置在所述导槽内并用以复位所述拨片的弹簧及设置在所述设置在所述弹簧内的弹簧杆，所述弹簧杆的一端与所述拨片连接，所述弹簧杆的另一端抵持所述弹簧。
PCT/CN2019/117905 2018-11-30 2019-11-13 医疗器械 WO2020108302A1 (zh)

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Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
CN111248970B (zh) * 2018-11-30 2021-06-18 苏州英途康医疗科技有限公司 医疗器械
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7976552B2 (en) * 2003-07-02 2011-07-12 Olympus Corporation Ligation apparatus
CN106466197A (zh) * 2015-08-19 2017-03-01 柯惠Lp公司 手术施夹器
CN206867246U (zh) * 2017-01-17 2018-01-12 上海市第五人民医院 一种腹腔镜专用荷包缝合装置
CN108135602A (zh) * 2015-07-30 2018-06-08 伊西康有限责任公司 包括用于确保外科器械的正确顺序操作的系统的外科器械
CN108472044A (zh) * 2016-01-11 2018-08-31 柯惠有限合伙公司 内窥镜可搁置手术施夹器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6840945B2 (en) * 2001-02-28 2005-01-11 Microline, Inc. Medical clip applier safety arrangement
US8585717B2 (en) 2008-08-29 2013-11-19 Covidien Lp Single stroke endoscopic surgical clip applier
CN101836882B (zh) * 2010-05-05 2011-11-23 王水良 一次性自动连发钛夹钳
US9282974B2 (en) * 2012-06-28 2016-03-15 Ethicon Endo-Surgery, Llc Empty clip cartridge lockout
CN103356266B (zh) * 2013-08-05 2015-08-19 杭州康基医疗器械有限公司 一次性钛夹钳同步异向操作装置
US20170340331A1 (en) * 2015-01-20 2017-11-30 Covidien Lp Surgical clip applier with multiple clip feeding mechanism
US10660651B2 (en) 2016-10-31 2020-05-26 Covidien Lp Endoscopic reposable surgical clip applier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7976552B2 (en) * 2003-07-02 2011-07-12 Olympus Corporation Ligation apparatus
CN108135602A (zh) * 2015-07-30 2018-06-08 伊西康有限责任公司 包括用于确保外科器械的正确顺序操作的系统的外科器械
CN106466197A (zh) * 2015-08-19 2017-03-01 柯惠Lp公司 手术施夹器
CN108472044A (zh) * 2016-01-11 2018-08-31 柯惠有限合伙公司 内窥镜可搁置手术施夹器
CN206867246U (zh) * 2017-01-17 2018-01-12 上海市第五人民医院 一种腹腔镜专用荷包缝合装置

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