WO2020135252A1 - 一种可拆卸的外科手术器械 - Google Patents

一种可拆卸的外科手术器械 Download PDF

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Publication number
WO2020135252A1
WO2020135252A1 PCT/CN2019/126970 CN2019126970W WO2020135252A1 WO 2020135252 A1 WO2020135252 A1 WO 2020135252A1 CN 2019126970 W CN2019126970 W CN 2019126970W WO 2020135252 A1 WO2020135252 A1 WO 2020135252A1
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WIPO (PCT)
Prior art keywords
assembly
cutter bar
connection structure
surgical instrument
bar assembly
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PCT/CN2019/126970
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English (en)
French (fr)
Inventor
聂红林
杨光
陈继东
Original Assignee
上海逸思医疗科技有限公司
逸思（苏州）医疗科技有限公司
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Application filed by 上海逸思医疗科技有限公司, 逸思（苏州）医疗科技有限公司 filed Critical 上海逸思医疗科技有限公司
Priority to US17/418,068 priority Critical patent/US20220096144A1/en
Priority to EP19902965.3A priority patent/EP3903707A4/en
Publication of WO2020135252A1 publication Critical patent/WO2020135252A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1442—Probes having pivoting end effectors, e.g. forceps
    • A61B18/1445—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00477—Coupling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00059—Material properties
    • A61B2018/00071—Electrical conductivity
    • A61B2018/00077—Electrical conductivity high, i.e. electrically conducting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00059—Material properties
    • A61B2018/00071—Electrical conductivity
    • A61B2018/00083—Electrical conductivity low, i.e. electrically insulating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00172—Connectors and adapters therefor
    • A61B2018/00178—Electrical connectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00589—Coagulation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00601—Cutting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/0063—Sealing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1412—Blade
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1422—Hook
    • 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
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0813—Accessories designed for easy sterilising, i.e. re-usable

Definitions

  • the present invention relates to the field of surgical instruments.
  • the present invention relates to a detachable surgical instrument.
  • high-frequency surgical instrument which is a surgical instrument used for electrocoagulation to stop bleeding and/or tissue cutting during surgery.
  • the principle of high-frequency surgical instruments is mainly to clamp and physically pressurize the blood vessel through the front two clamps, and at the same time, the high-frequency energy generator provides high-frequency electrical energy, which is transferred to the metal clamp at the front of the instrument, so that the inside of the blood vessel The collagen and fibrin dissolve and fuse together, closing the blood vessels. After the blood vessel is closed, the knife can be directly cut out to cut the closure band, which greatly shortens the operation time, reduces bleeding, and minimizes the risk of surgery. It is widely used because of its high efficiency and reliability relative to traditional suture ligation. Surgery.
  • the barrel is composed of an outer sleeve and an inner sleeve, and the cutter bar is located inside the inner sleeve.
  • the gap between the inner and outer sleeves, and between the inner sleeve and the cutter bar is relatively small. After an operation is completed, blood or tissue fluid will enter the gap between the inner and outer sleeves or between the inner sleeve and the shank. Because the gap is very small and long, the blood or tissue fluid entering the gap is difficult to clean. . Therefore, even if the structure and performance of the surgical instrument are still good, it cannot be reused again, and can only be used as a disposable instrument, so its use cost is very high.
  • the existing reusable high-frequency surgical instruments can only be replaced by using the cutting knife as a disposable part, but this cannot fundamentally solve the problem of difficulty in cleaning the gap between the outer sleeve and the inner sleeve, and still has high costs Defects.
  • the present invention aims to provide a surgical instrument with a detachable knife bar and handle assembly, and has the advantages of simple structure, convenient assembly and disassembly, easy cleaning and low use cost compared with the disclosed technical solutions.
  • the present invention provides a detachable surgical instrument, including a distal actuator, a knife rod assembly, and a handle assembly (3), the distal end of the knife rod assembly is connected to the remote actuator, The proximal end is connected to the handle assembly (3), and the cutter bar assembly includes at least a first cutter bar assembly (1) and a second cutter bar assembly (2), wherein the first cutter bar assembly (1) and the second cutter The rod assembly (2) and the handle assembly (3) are connected in sequence, and at least one connection is detachably connected.
  • the present invention provides a detachable surgical instrument, including a distal effector, a shank assembly, and a handle assembly, the distal end of the shank assembly is connected to the distal actuator, and the proximal end is connected to the handle assembly, wherein
  • the cutter bar assembly includes at least a first cutter bar assembly and a second cutter bar assembly, and the first cutter bar assembly and the second cutter bar assembly are detachably connected.
  • the present invention provides a detachable surgical instrument, including a distal actuator, a shank assembly, and a handle assembly, the distal end of the shank assembly is connected to the distal actuator, and the proximal end is connected to the handle assembly,
  • the cutter bar assembly includes at least a first cutter bar assembly and a second cutter bar assembly, and the second cutter bar assembly and the handle assembly are detachably connected.
  • the present invention provides a detachable surgical instrument, including a distal actuator, a shank assembly, and a handle assembly, the distal end of the shank assembly is connected to the distal actuator, and the proximal end is connected to the handle assembly,
  • the arbor assembly includes at least a first arbor assembly and a second arbor assembly, and the first arbor assembly, the second arbor assembly, and the second arbor assembly are all detachable connection.
  • the first cutter bar assembly includes a first connection structure
  • the second cutter bar assembly includes a second connection structure
  • the first cutter bar assembly passes the first connection structure and
  • the second connection structure is detachably connected to the second cutter bar assembly.
  • the first cutter bar assembly includes a first outer sleeve, a first inner sleeve, and a first cutter bar
  • the first connection structure includes a first outer sleeve and a first inner sleeve
  • the first inner sleeve includes a first metal sleeve and a first insulator
  • the first insulator is sleeved outside the first metal sleeve
  • the first metal spring piece and the second metal spring piece are mounted on the first insulator
  • At least one groove is provided on the first insulator.
  • the second cutter bar assembly includes a second outer sleeve, a second inner sleeve, and a second cutter bar
  • the second connection structure includes a second outer sleeve and a second inner sleeve
  • the second inner sleeve includes a second insulator and a second metal sleeve, at least one electrode sheet is disposed in the second insulator, and the at least one electrode sheet is connected to the second metal sleeve.
  • the at least one electrode sheet of the second cutter bar assembly is fitted into a groove corresponding to the first insulator of the first cutter bar assembly.
  • first outer sleeve and the second outer sleeve are connected by threads.
  • the at least one groove is a T-shaped structure.
  • the at least one electrode sheet is a T-shaped structure.
  • the second cutter bar assembly is detachably connected to the handle assembly.
  • the second cutter bar assembly includes a third connection structure
  • the handle assembly includes a fourth connection structure adapted to the third connection structure
  • the second cutter bar assembly passes The third connection structure and the fourth connection structure are detachably connected with the handle assembly.
  • the third connection structure includes a rotary dial, a first disassembly button assembly, and an outer sleeve connector
  • the fourth connection structure includes a metal connector and a second disassembly button assembly.
  • the first disassembly and assembly button assembly includes a first button, a first spring, and a first metal snap ring. After the first spring is installed on the first button, it is fixed to The first metal snap ring.
  • the metal connecting member includes an annular limiting groove, corresponding to the first metal snap ring.
  • the first disassembly and assembly button assembly may be pressed down to slide the first metal snap ring downward to push the second cutter bar assembly to connect with the metal along the axis After the first metal snap ring enters the annular limit groove of the metal connecting piece, the first spring returns the first disassembly/assembly button assembly to its original position.
  • the surgical instrument of the present invention is not limited to electrocautery, electric hook, stapler and the like.
  • Figure 1 is a schematic diagram of a detachable surgical system
  • FIG. 2 is a schematic diagram of a detachable surgical instrument
  • FIG. 3 is a schematic diagram of disassembly of a detachable surgical instrument
  • FIG. 4 is a structural composition diagram of the first cutter bar assembly, and an enlarged view of the first connection structure is schematically shown in the lower right corner;
  • FIG. 5 is a structural composition diagram of a second cutter bar assembly, and an enlarged view of a second connection structure is schematically shown in the lower left corner;
  • FIG. 6 is a schematic diagram of the pre-assembly of the first cutter bar assembly and the second cutter bar assembly;
  • FIG. 7 is a schematic view of the first arbor assembly and the second arbor assembly assembled in place
  • FIG. 8 is a schematic diagram of the pre-assembly of the cutter bar assembly and the handle;
  • FIG. 9 is a schematic view of the assembly of the cutter bar assembly and the handle assembly in place, and the enlarged schematic views of the assembly of the third connection structure and the fourth connection structure are shown below;
  • 10 is a schematic diagram of the assembly of the cutter bar assembly and the handle assembly.
  • a surgical instrument system is mainly composed of a detachable electrosurgical instrument 10 and a high-frequency current generator 20.
  • the high-frequency current generator 20 generates high-frequency electric energy, and transmits it to the metal clamp at the front end of the high-frequency electrosurgical instrument to close the blood vessel.
  • the detachable electrosurgical instrument 10 includes a distal end effector, a first cutter bar assembly 1, a second cutter bar assembly 2 and a handle assembly 3.
  • the first arbor assembly 1, the second arbor assembly 2 and the handle assembly 3 can be easily installed and disassembled.
  • the first cutter bar assembly 1 includes a first outer sleeve 14, a first inner sleeve 15, and a first cutter bar 16.
  • a distal actuator is connected to the distal end of the first cutter bar assembly 1, and the proximal end Including the first connection structure.
  • the distal actuator includes a first clamp 11, a second clamp 12, and a fixed pin 13; the first clamp 11 and the second clamp 12 pass through the fixed pin 13 is fixed to the first outer sleeve 14 and can be welded, riveted or screwed together.
  • the two clamps can rotate through the fixed pin 13 to close and open the clamps .
  • the distal actuator is not limited to a pair of clamp structures, such as tweezers.
  • the manipulation mode of the distal actuator can be manipulated by using the manipulation mode of the actuator in the surgical instrument in the prior art.
  • the first connection structure includes a first outer sleeve 14 and a first inner sleeve 15.
  • the first inner sleeve 15 includes a first metal sleeve 151 and a first insulator 152 sleeved outside the first metal sleeve 151, and the fixing method can be co-injection, adhesive or welding. Way.
  • the first inner sleeve 15 further includes a first metal spring piece 17 and a second metal spring piece 18 mounted on the first insulator 152, and the role is to ensure reliable electrical connection between the first cutter bar assembly 1 and the second cutter bar assembly 2 It can be fixed by hot melt, co-injection or adhesive.
  • the first insulator 152 is provided with a pair of grooves.
  • the groove is T-shaped, but it is not limited thereto.
  • the second cutter bar assembly 2 includes a second outer sleeve 23, a second inner sleeve 21, and a second cutter bar 22.
  • the distal end of the second cutter bar assembly 2 includes a second connection structure that is adapted to the first connection mechanism.
  • the proximal end of the second cutter bar assembly 2 includes a third connection structure, which is adapted to the fourth connection structure of the handle assembly 3.
  • the second connection structure includes a second inner sleeve 21 and a second outer sleeve 23.
  • the second inner sleeve 21 includes a first electrode sheet 211, a second electrode sheet 213, a second insulator 212, and a second metal sleeve 214.
  • the second insulator 212 is sleeved around the first electrode sheet 211 and the second electrode sheet 213.
  • the second insulator 212 can be fixed in various ways by co-injection, adhesive or welding.
  • the installation or removal function of the first arbor assembly 1 and the second arbor assembly 2 is mainly through the connection/removal of the first inner sleeve 15 and the second inner sleeve 21, the first The connection/disassembly of the outer sleeve 14 and the second outer sleeve 23 is achieved.
  • the first electrode piece 211 and the second electrode piece 213 having the T-shaped structure of the second cutter bar assembly 2 are mounted on the first insulator 152 of the first cutter bar assembly 1 along the vertical direction of the cutter bar axis corresponding to T In the shape of the groove, until it touches the bottom surface of the limit, the first metal spring piece 17 and the first electrode piece 211 just touch, the second metal spring piece 18 and the second electrode piece 213 just touch; the first shank 16 and the second knife
  • the rod 22 is provided with a pre-pressure to maintain elastic contact by the spring 19 of the first shank assembly 1 (see FIG. 4) and the spring 27 of the second shank assembly 2 (see FIG.
  • first outer sleeve 14 and the second outer sleeve 23 are fixedly connected together by threads 141 (see FIG. 4) and threads 231 (see FIG. 5) to form a complete cutter bar assembly.
  • the proximal end of the second cutter bar assembly 2 includes a third connection structure
  • the distal end of the handle assembly 3 includes a fourth connection structure adapted to the third connection structure.
  • the third connection structure includes a rotary dial 24, a first detachable button assembly 25, and an outer sleeve connector 26.
  • the handle assembly 3 includes a metal connector 31, a second detachable button assembly 32, a power-on button 33, a cutting trigger 34, a clamping trigger 35, and a handle body 36.
  • the mounting or dismounting functions of the second cutter bar assembly 2 and the handle assembly 3 are mainly through the connection or disassembly of the first disassembly and assembly button assembly 25 and the outer sleeve connector 26, the metal connector 31, and the second disassembly and assembly button assembly 32 and The connection or disassembly of the second inner sleeve 21 is achieved.
  • the connection structure of the first disassembly/assembly button assembly 25 and the metal connector 31 is shown in FIG. 9, and the second outer sleeve 23 and the outer sleeve connector 26 are fixedly connected by co-injection, welding, screw connection or adhesive.
  • the first disassembly and assembly button assembly 25 includes a first button 251, a first spring 252, and a first metal snap ring 253. After the first spring 252 is installed on the first button 251, it is fixed to the first metal snap ring 253.
  • the fixing method can be achieved by screw connection, crimping or gluing. After the fixing, the first spring 252 has a pre-pressure on the outer sleeve connector 26, so that the first metal snap ring 253 cannot be connected with the natural state The annular limiting grooves of the metal connecting member 31 are engaged.
  • FIGS. 8, 9 and 10 The detailed installation structure and steps of the second arbor assembly 2 and the handle assembly 3 are shown in FIGS. 8, 9 and 10. Press the first disassembly button assembly 25 along the vertical direction of the arbor axis and the first metal snap ring 253 Slide down and push the second cutter bar assembly 2 to install with the handle metal connector 31 along the axis of the cutter bar. When the first metal snap ring 253 enters the annular limit slot of the metal connector 31, the first disassembly button assembly 25 Return to the original position under the action of the first spring 252 to realize the connection and fixation of the second cutter bar assembly 2 and the handle assembly 3.
  • the same structure and fixing method can be applied to the connection structure of the second disassembly button assembly 32 and the second inner sleeve 21 to realize the opening or closing action of the first clamp 11 and the second clamp 12 .

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Abstract

一种可拆卸的外科手术器械（10），包括远端执行器、刀杆组件、手柄组件（3），刀杆组件至少包括第一刀杆组件（1）与第二刀杆组件（2），其中，第一刀杆组件（1）与第二刀杆组件（2）之间可拆卸地连接；或者第二刀杆组件（2）和手柄组件（3）之间可拆卸地连接；或者第一刀杆组件（1）、第二刀杆组件（2）和手柄组件（3）之间均可拆卸地连接。由此解决了市场上主流的手术器械使用后不容易清洗，不能重复使用的问题，能显著降低器械的使用成本，具有结构简单、装拆方便、使用成本低的优点。

Description

一种可拆卸的外科手术器械 技术领域
本发明涉及外科手术器械领域，具体而言，本发明涉及一种可拆卸的外科手术器械。
背景技术
在外科学的发展历史中，手术出血是妨碍外科发展的重要因素之一。寻求切割加止血的手术技术或方法始终贯穿于外科学的发展进程，各类具有切割或止血功能的手术器械也相继推出。其中，最具代表性的就是高频外科手术器械，它是用于手术过程中的电凝止血和/或切割组织的外科手术器械。高频外科手术器械的作用原理主要是通过前端两个夹钳对血管进行夹持和物理加压，同时由高频能量发生器提供高频电能，传递至器械前端的金属夹钳，使得血管内的胶原蛋白和纤维蛋白溶解变性融合在一起，使血管闭合。血管闭合后，可直接出刀切断闭合带，因此极大地缩短了手术时间，减少出血，将手术风险降至最低，因其相对于传统的缝线结扎的高效性和可靠性而被广泛应用于外科手术。
现有的外科手术器械多是一次性使用的器械，其枪管由外套管和内套管组成，刀杆位于内套管之内。内外套管之间、内套管与刀杆之间的间隙比较小。在一台手术完成之后，会有血液或者组织液进入内外套管之间或者内套管与刀杆之间的间隙，因为间隙非常小且狭长，进入间隙之内的血液或者组织液很难被清洗干净。因此即便外科手术器械的结构与性能依然良好，也不能被再次重复使用，只能作为一次性器械来使用，所以其使用成本非常高昂。
现有的重复使用高频外科手术器械，只有将切割刀作为一次性部件可以更换使用，但这并不能从根本上解决外套管和内套管之间间隙清洗困难的问 题，且仍然存在成本高昂的缺陷。
发明内容
本发明旨在提出一种刀杆和手柄组件可拆卸的外科手术器械，且相对于已公开的技术方案具有结构简单、装拆方便、易于清洗、使用成本低的优点。
为了实现上述目的，本发明提供了一种可拆卸的外科手术器械，包括远端执行器、刀杆组件、手柄组件(3)，所述刀杆组件的远端连接所述远端执行器，近端连接所述手柄组件(3)，所述刀杆组件至少包括第一刀杆组件(1)和第二刀杆组件(2)，其中，第一刀杆组件(1)、第二刀杆组件(2)和手柄组件(3)依次连接，且至少有一个连接是可拆卸地连接。
一方面，本发明提供了一种可拆卸的外科手术器械，包括远端执行器、刀杆组件、手柄组件，所述刀杆组件的远端连接远端执行器，近端连接手柄组件，其中，所述刀杆组件至少包括第一刀杆组件与第二刀杆组件，所述第一刀杆组件与所述第二刀杆组件之间可拆卸的连接。
另一方面，本发明提供了一种可拆卸的外科手术器械，包括远端执行器、刀杆组件、手柄组件，所述刀杆组件的远端连接远端执行器，近端连接手柄组件，其中，所述刀杆组件至少包括第一刀杆组件与第二刀杆组件，所述第二刀杆组件与所述手柄组件之间可拆卸地连接。
另一方面，本发明提供了一种可拆卸的外科手术器械，包括远端执行器、刀杆组件、手柄组件，所述刀杆组件的远端连接远端执行器，近端连接手柄组件，其中，所述刀杆组件至少包括第一刀杆组件与第二刀杆组件，所述第一刀杆组件、所述第二刀杆组件以及所述第二刀杆组件之间均可拆卸地连接。
在一些可选的实施方式中，所述第一刀杆组件包括第一连接结构，所述第二刀杆组件包括第二连接结构，所述第一刀杆组件通过所述第一连接结构和所述第二连接结构与所述第二刀杆组件可拆卸地连接。
在一些可选的实施方式中，所述第一刀杆组件包括第一外套管、第一内套管、第一刀杆，所述第一连接结构包括第一外套管和第一内套管，第一内套管包括第一金属套管和第一绝缘体，所述第一绝缘体套设在第一金属套管外，第一金属弹片和第二金属弹片安装在所述第一绝缘体上，所述第一绝缘体上设置有至少一槽。
在一些可选的实施方式中，所述第二刀杆组件包括第二外套管、第二内套管和第二刀杆，所述第二连接结构包括第二外套管和第二内套管，第二内套管包括第二绝缘体和第二金属套管，至少一电极片设置于所述第二绝缘体内，所述至少一电极片与第二金属套管连接。
在一些可选的实施方式中，所述第二刀杆组的所述至少一电极片，装配到所述第一刀杆组件的所述第一绝缘体相对应的槽内。
在一些可选的实施方式中，所述第一外套管与所述第二外套管通过螺纹连接。
在一些可选的实施方式中，所述至少一槽为T形结构。
在一些可选的实施方式中，所述至少一电极片为T形结构。
在一些可选的实施方式中，所述第二刀杆组件与所述手柄组件可拆卸地连接。
在一些可选的实施方式中，所述第二刀杆组件包括第三连接结构，所述手柄组件包括与所述第三连接结构适配的第四连接结构，所述第二刀杆组件通过所述第三连接结构和所述第四连接结构与所述手柄组件可拆卸地连接。
在一些可选的实施方式中，所述第三连接结构包括旋转拨轮、第一拆装按钮组件、外套管连接件，所述第四连接结构包括金属连接件、第二拆装按钮组件。
在一些可选的实施方式中，所述第一拆装按钮组件包括第一按钮、第一弹簧和第一金属卡环，将所述第一弹簧安装到所述第一按钮后，固接于所述 第一金属卡环。
在一些可选的实施方式中，所述金属连接件包括环形限位槽，与所述第一金属卡环相对应。
在一些可选的实施方式中，所述第一拆装按钮组件可向下按压，使所述第一金属卡环向下滑动，推动所述第二刀杆组件沿轴线方向与所述金属连接件连接，当所述第一金属卡环进入金属连接件的环形限位槽后，所述第一弹簧使得所述第一拆装按钮组件回复原位。
优选的，本发明的外科手术器械不限于电刀、电钩、吻合器等。
与现有技术相比，本申请的有益效果是：
1)解决了市场上外科手术器械使用后不容易清洗，不能重复使用的问题，能显著降低器械的使用成本。
2)具有结构简单、装拆方便、使用成本低的优点。
附图说明
附图用来提供对本申请的进一步理解，并且构成说明书的一部分，与本申请的具体实施方式一起用于解释本申请，并不构成对本申请的限制。
图1是可拆卸的外科手术系统示意图；
图2是可拆卸的外科手术器械示意图；
图3是可拆卸的外科手术器械的拆卸示意图；
图4是第一刀杆组件结构组成图，右下角示意性示出了第一连接结构的放大图；
图5是第二刀杆组件结构组成图，左下角示意性示出了第二连接结构的放大图；
图6是第一刀杆组件与第二刀杆组件预装配示意图；
图7是第一刀杆组件与第二刀杆组件装配到位的示意图；
图8是刀杆组件与手柄预装配示意图；
图9是刀杆组件与手柄组件装配到位的示意图，下方示意性示出了第三连接结构和第四连接结构装配的放大图；
图10是刀杆组件与手柄组件装配的示意图。
具体实施方式
下面结合具体实施方式对本申请作进一步的说明，其中，附图仅用于示例性说明，表示的仅是示意图，而非实物图，不能理解为对本专利的限制，为了更好地说明本申请的具体实施方式，附图某些部件会有省略、放大或缩小，并不代表实际产品的尺寸，对本领域技术人员来说，附图中某些公知结构及其说明可能省略是可以理解的，基于本申请中的具体实施方式，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他具体实施方式，都属于本申请保护的范围。
一种外科手术器械系统，如图1所示，主要由可拆卸的电外科手术器械10和高频电流发生器20组成。其中，高频电流发生器20产生高频电能，传递至高频电外科手术器械前端的金属夹钳，对血管进行闭合。
一实施例中，如图2所示，可拆卸的电外科手术器械10，包括远端执行器、第一刀杆组件1、第二刀杆组件2和手柄组件3。
如图3所示，第一刀杆组件1、第二刀杆组件2和手柄组件3可实现方便安装和拆卸。
如图4所示，第一刀杆组件1包括第一外套管14、第一内套管15、第一刀杆16，在第一刀杆组件1的远端连接远端执行器，近端包括第一连接结构。
一实施例中，如图4所示，所述远端执行器包括第一夹钳11、第二夹钳12和固定销轴13；第一夹钳11和第二夹钳12通过固定销轴13固接于第一外套管14，固接方式可采用焊接、铆接或螺纹连接等多种工艺方式实现，两 夹钳通过固定销轴13可进行旋转，实现夹钳之间的闭合与张开。其他实施例中，远端执行器不限于一对夹钳结构，例如镊子等。远端执行器的操纵方式可以采用现有技术中外科手术器械中的执行器的操纵方式进行操纵。
第一刀杆组件1的第一连接结构的详细结构如图4所示。第一连接结构包括第一外套管14和第一内套管15。本实施例中，第一内套管15包括第一金属套管151和套设在第一金属套管151外的第一绝缘体152，其固接方式可选择共注、胶黏或焊接等多种方式实现。第一内套管15还包括安装在第一绝缘体152上的第一金属弹片17和第二金属弹片18，作用是保证第一刀杆组件1与第二刀杆组件2之间的电气连接可靠性，其固接方式可选择热熔、共注或粘胶等多种方式实现。
在一实施例中，如图6所示，第一绝缘体152上设置有一对槽。在一实施例中，所述槽为T形，但不限于此。
如图5所示，第二刀杆组件2包括第二外套管23、第二内套管21、第二刀杆22。第二刀杆组件2的远端包括第二连接结构，其与所述第一连接机构相适配。第二刀杆组件2的近端包括第三连接结构，其与所述手柄组件3的第四连接结构相适配。
第二刀杆组件2的第二连接结构的详细结构如图5所示，第二连接结构包括第二内套管21和第二外套管23。在一实施例中，第二内套管21包括第一电极片211、第二电极片213、第二绝缘体212和第二金属套管214。第二绝缘体212套设在第一电极片211、第二电极片213外。第二绝缘体212固接方式可选择共注、粘胶或焊接等多种方式实现。
如图6、图7所示，第一刀杆组件1与第二刀杆组件2的安装或拆卸功能主要是通过第一内套管15和第二内套管21的连接/拆卸、第一外套管14和第二外套管23的连接/拆卸实现。将第二刀杆组件2的具有T形结构的第一电极片211和第二电极片213沿刀杆轴线垂直方向，安装到第一刀杆组件1 的第一绝缘体152上与之对应的T形槽内，直至接触到限位底面，此时第一金属弹片17和第一电极片211刚好接触，第二金属弹片18和第二电极片213刚好接触；第一刀杆16和第二刀杆22分别由第一刀杆组件1的弹簧19(见图4)和第二刀杆组件2的弹簧27(见图5)提供预压力保持弹性接触；完成上述步骤后，将第一外套管14和第二外套管23通过螺纹141(见图4)和螺纹231(见图5)固接在一起，形成一个完整的刀杆组件。
如图8、图9所示，第二刀杆组件2的近端包括第三连接结构，手柄组件3远端包括与第三连接结构适配的第四连接结构。第三连接结构包括旋转拨轮24、第一拆装按钮组件25和外套管连接件26。
手柄组件3包括金属连接件31、第二拆装按钮组件32、通电按钮33、切割扳机34、夹闭扳机35和手柄本体36。
第二刀杆组件2和手柄组件3的安装或拆卸功能主要是通过第一拆装按钮组件25和外套管连接件26、金属连接件31的连接或拆卸，以及第二拆装按钮组件32和第二内套管21的连接或拆卸实现的。
第一拆装按钮组件25和金属连接件31的连接结构如图9所示，第二外套管23和外套管连接件26通过共注、焊接、螺纹连接或胶黏等多种方式进行固接，第一拆装按钮组件25包括第一按钮251、第一弹簧252和第一金属卡环253，将第一弹簧252安装到第一按钮251后，再固接于第一金属卡环253，其固接方式有螺纹连接、压接或胶黏等多种方式实现，固接后第一弹簧252对外套管连接件26有个预压力，使第一金属卡环253在自然状态下不能与金属连接件31的环形限位槽进行配合。
第二刀杆组件2和手柄组件3详细安装结构和步骤如图8、图9和图10所示，沿刀杆轴线垂直方向按压所述第一拆装按钮组件25，第一金属卡环253向下滑动，推动第二刀杆组件2沿刀杆轴线方向与手柄金属连接件31进行安装，当第一金属卡环253进入金属连接件31的环形限位槽后，第一拆装按钮 组件25在第一弹簧252作用下回复原位，实现对第二刀杆组件2和手柄组件3的连接和固定。以此类推，同样的结构和固接方式可应用于第二拆装按钮组件32和第二内套管21的连接结构，实现第一夹钳11和第二夹钳12的张开或闭合动作。
需要说明的是，附图中的实施方式仅为本申请比较有代表性的实施例，本申请的保护范围不仅仅限定在附图中实施方式所限定的范围内，对附图中实施方式的组合、变形、变化均落在本申请的保护范围内。尽管已经示出和描述了本申请的具体实施方式，对于本领域的普通技术人员而言，可以理解在不脱离本申请的原理和精神的情况下，可以对这些具体实施方式进行多种变化、修改、替换和变型，本申请的范围由所附权利要求及其等同物限定。

Claims (17)

  1. 一种可拆卸的外科手术器械，包括远端执行器、刀杆组件、手柄组件(3)，所述刀杆组件的远端连接所述远端执行器，近端连接所述手柄组件(3)，其特征在于：所述刀杆组件至少包括第一刀杆组件(1)和第二刀杆组件(2)，其中，第一刀杆组件(1)、第二刀杆组件(2)和手柄组件(3)依次连接，且至少有一个连接是可拆卸地连接。
  2. 如权利要求1所述的可拆卸的外科手术器械，其特征在于：所述第一刀杆组件(1)包括第一连接结构，所述第二刀杆组件(2)包括第二连接结构，所述第一刀杆组件(1)通过所述第一连接结构和所述第二连接结构与所述第二刀杆组件(2)可拆卸地连接。
  3. 如权利要求1所述的可拆卸的外科手术器械，其特征在于：所述第二刀杆组件(2)包括第三连接结构，所述手柄组件(3)包括与所述第三连接结构适配的第四连接结构，所述第二刀杆组件(2)通过所述第三连接结构和所述第四连接结构与所述手柄组件(3)可拆卸地连接。
  4. 如权利要求2所述的可拆卸的外科手术器械，其特征在于：所述第二刀杆组件(2)包括第三连接结构，所述手柄组件(3)包括与所述第三连接结构适配的第四连接结构，所述第二刀杆组件(2)通过所述第三连接结构和所述第四连接结构与所述手柄组件(3)可拆卸地连接。
  5. 如权利要求2或4所述的可拆卸的外科手术器械，其特征在于：所述第一刀杆组件(1)包括第一外套管(14)、第一内套管(15)和第一刀杆(16)，所述第一连接结构包括第一外套管(14)和第一内套管(15)，其中，所述第一内套管(15)包括第一金属套管(151)和套设在第一金属套管(151)外的第一绝缘体(152)，第一金属弹片(17)和第二金属弹片(18)安装在所述第一绝缘体(152)上，所述第一绝缘体(152)上设置有至少一槽。
  6. 如权利要求5所述的可拆卸的外科手术器械，其特征在于：所属至少一槽为T形结构。
  7. 如权利要求2或4所述的可拆卸的外科手术器械，其特征在于：所述第二刀杆组件(2)包括第二外套管(23)、第二内套管(21)和第二刀杆(22)，所述第二连接结构包括第二外套管(23)和第二内套管(21)，第二内套管(21)包括第二绝缘体(212)和第二金属套管(214)，至少一电极片设置于所述第二绝缘体(212)内，所述至少一电极片与第二金属套管(214)连接。
  8. 如权利要求7所述的可拆卸的外科手术器械，其特征在于：所述至少一电极片为T形结构。
  9. 如权利要求5所述的可拆卸的外科手术器械，其特征在于：所述第二刀杆组件(2)包括第二外套管(23)、第二内套管(21)和第二刀杆(22)，所述第二连接结构包括第二外套管(23)和第二内套管(21)，第二内套管(21)包括第二绝缘体(212)和第二金属套管(214)，至少一电极片设置于所述第二绝缘体(212)内，所述至少一电极片与第二金属套管(214)连接。
  10. 如权利要求9所述的可拆卸的外科手术器械，其特征在于：所述至少一电极片为T形结构。
  11. 如权利要求10所述的可拆卸的外科手术器械，其特征在于：所述第二刀杆组件(2)的所述至少一电极片，装配到所述第一刀杆组件(1)的所述第一绝缘体(152)相对应的槽内。
  12. 如权利要求9所述的可拆卸的外科手术器械，其特征在于：所述第一外套管(14)与所述第二外套管(23)通过螺纹(141，231)连接。
  13. 如权利要求3或4所述的可拆卸的外科手术器械，其特征在于：所述第三连接结构包括旋转拨轮(24)、第一拆装按钮组件(25)、外套管连接件(26)，所述第四连接结构包括金属连接件(31)、第二拆装按钮组件(32)。
  14. 如权利要求13所述的可拆卸的外科手术器械，其特征在于：所述第 一拆装按钮组件(25)包括第一按钮(251)、第一弹簧(252)和第一金属卡环(253)，将所述第一弹簧(252)安装到所述第一按钮(251)后，固接于所述第一金属卡环(253)。
  15. 如权利要求13所述的可拆卸的外科手术器械，其特征在于：所述金属连接件(31)包括圆环形限位槽，与所述第一金属卡环(253)相对应。
  16. 如权利要求15所述的可拆卸的外科手术器械，其特征在于：所述第一拆装按钮组件(25)可向下按压，使所述第一金属卡环(253)向下滑动，推动所述第二刀杆组件(2)沿轴线方向与所述金属连接件(31)连接，当所述第一金属卡环(253)进入金属连接件(31)的圆环形限位槽后，所述第一弹簧(252)使得所述第一拆装按钮组件(25)回复原位。
  17. 如权利要求1所述的可拆卸的外科手术器械，其特征在于：所述手术器械为电刀、电钩或吻合器。
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US20220096144A1 (en) 2022-03-31

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