WO2022007734A1 - High frequency electrical instrument for use with endoscope - Google Patents

High frequency electrical instrument for use with endoscope Download PDF

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Publication number
WO2022007734A1
WO2022007734A1 PCT/CN2021/104422 CN2021104422W WO2022007734A1 WO 2022007734 A1 WO2022007734 A1 WO 2022007734A1 CN 2021104422 W CN2021104422 W CN 2021104422W WO 2022007734 A1 WO2022007734 A1 WO 2022007734A1
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WO
WIPO (PCT)
Prior art keywords
knife
handle
sheath tube
tube
guide tube
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PCT/CN2021/104422
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French (fr)
Chinese (zh)
Inventor
胡晓刚
韩贯通
高嵩
完颜宏涛
Original Assignee
安瑞医疗器械(杭州)有限公司
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Priority claimed from CN202010653050.5 external-priority
Application filed by 安瑞医疗器械(杭州)有限公司 filed Critical 安瑞医疗器械(杭州)有限公司
Publication of WO2022007734A1 publication Critical patent/WO2022007734A1/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B18/1402Probes for open surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, 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
    • A61B90/08Accessories or related features not otherwise provided for
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, 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
    • A61B90/10Instruments, 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 for stereotaxic surgery, e.g. frame-based stereotaxis
    • A61B90/11Instruments, 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 for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00601Cutting
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B18/1442Probes having pivoting end effectors, e.g. forceps
    • A61B2018/1452Probes having pivoting end effectors, e.g. forceps including means for cutting
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, 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
    • A61B90/08Accessories or related features not otherwise provided for
    • A61B2090/0801Prevention of accidental cutting or pricking
    • A61B2090/08021Prevention of accidental cutting or pricking of the patient or his organs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002Irrigation

Abstract

Disclosed in the present invention is a high frequency electrical instrument for use with an endoscope, comprising a sheath tube, an I-knife, an O-knife, a first handle, a second handle, an electrode holder, and an injection port. The rear end of the sheath tube is fixedly connected to the second handle, and a spring flow guide tube penetrates the sheath tube. The rear end of the spring flow guide tube is fixedly connected to the first handle. The first handle moves back and forth and drives the spring flow guide tube to move back and forth. The front part of the sheath tube is further sleeved with an outer sheath tube. The O-knife and the I-knife penetrate the front part of the outer sheath tube, and the rear end of the I-knife is fixedly connected to the spring flow guide tube. The I-knife has an inner cavity and communicates with the spring flow guide tube. The spring flow guide tube moves back and forth and drives the I-knife to extend out of and retract into the front end of the outer sheath tube. The electric instrument integrates the functions of the I-knife, the O-knife and an injection needle and thus achieves three-in-one, and a doctor can perform corresponding operations as needed. Thus, the time for instrument replacement is saved.

Description

一种配合内窥镜使用的高频电器械A high-frequency electrical instrument used with endoscope 技术领域technical field
本发明涉及医疗器械技术领域,更具体地说,它涉及一种配合内窥镜使用的高频电器械。The invention relates to the technical field of medical devices, and more particularly, to a high-frequency electrical device used in conjunction with an endoscope.
背景技术Background technique
随着内镜技术以及其他相关技术的发展,内镜下消化道早癌治疗及筛查已经成为目前首选的治疗方法。目前常规的消化道早癌治疗过程往往需要很多器械配合使用。例如:先使用注射针在病变位置进行标记或注射使其隆起,再用电刀进行切除或剥离最后使用止血夹或电刀或注射针进行缝合或止血。操作过程繁琐,器械更换频繁,不仅手术效率低下而且对医生的专业技能要求高;器械更换增加病人痛苦且手术成本相对较高。With the development of endoscopic technology and other related technologies, endoscopic treatment and screening of early gastrointestinal cancer has become the preferred treatment method. At present, the conventional treatment of early gastrointestinal cancer often requires the use of many instruments. For example, first use an injection needle to mark the lesion or inject it to make it bulge, then use an electric knife to cut or peel it off, and finally use a hemostatic clip or an electric knife or an injection needle to suture or stop bleeding. The operation process is cumbersome and the instruments are replaced frequently, which not only has low operation efficiency but also requires high professional skills of doctors; instrument replacement increases the pain of patients and the operation cost is relatively high.
申请公布号为CN108523986A的中国专利公开了一种内窥镜用带注射针的高频刀具,该高频刀具在进行操作时,需要通过锁紧件锁紧双指把手,避免轴向电极发生意外滑动,这就给医护者带来的操作的不便;如果,锁紧件没有锁紧,当移动双指把手或者滑块时,会产生联动现象,进而出现误操作,会给患者带来意外的伤害;同时,轴向电极和针管并排设置在外鞘管内,使外鞘管的径向尺寸较大。The Chinese patent with the application publication number CN108523986A discloses a high-frequency tool with an injection needle for an endoscope. When the high-frequency tool is operated, the two-finger handle needs to be locked by a locking member to avoid accidents in the axial electrode. Sliding, which brings inconvenience to the operation of the medical staff; if the locking member is not locked, when the two-finger handle or the slider is moved, a linkage phenomenon will occur, and misoperation will occur, which will bring unexpected accidents to patients. At the same time, the axial electrode and the needle tube are arranged side by side in the outer sheath tube, so that the radial dimension of the outer sheath tube is larger.
申请公布号为CN109771027A的中国专利公开了多功能切开刀,涉及一种包括导电注液刀头、圈套、拉索、外管组件及设有滑环和电极插头芯杆组成的具有实现了内镜下黏膜剥离手术前及手术中组织的剥离及注水功能的多功能切开刀。The Chinese patent with the application publication number CN109771027A discloses a multi-functional cutting knife, which relates to a device including a conductive liquid injection knife head, a snare, a pulling cable, an outer tube assembly, and a slip ring and an electrode plug core rod. Multifunctional scalpel for tissue stripping and water injection before and during microscopic mucosal dissection.
授权公告号为CN209074869U的中国专利公开了一种新型黏膜切开刀,涉及一种将黏膜切开刀和注射针整合到双腔导管的不同腔道中,从而实现整合注射针和黏膜切开刀功能的新型黏膜切开刀。The Chinese patent with the authorization announcement number CN209074869U discloses a new type of mucosal incision knife, which involves integrating the mucosal incision knife and the injection needle into different cavities of the double-lumen catheter, thereby realizing the functions of integrating the injection needle and the mucosal incision knife The new mucosal incision knife.
授权公告号为CN209186932U的中国专利公开了一种具有注液结构的内镜用高频电刀,涉及一种利用刀体与远端限位环之间的缝隙形成注液通道,达到注射功能的内镜高频电刀。The Chinese patent with the authorization announcement number CN209186932U discloses a high-frequency electric knife for endoscope with a liquid injection structure, which relates to a liquid injection channel formed by using the gap between the knife body and the distal limit ring to achieve the injection function. Endoscopic high frequency electrosurgery.
授权公告号为CN209186930U的中国专利公开了一种具有双刀头的内镜用高频电刀,涉及一种具有双刀头的内镜用高频电刀,通过两个刀头之间的阻尼结构用一个刀头控制另外一个刀头的收缩运动。The Chinese patent with the authorization announcement number CN209186930U discloses a high-frequency electric knife for endoscope with double cutter heads, which relates to a high-frequency electric knife for endoscopy with double cutter heads. The structure uses one cutter head to control the retraction movement of the other cutter head.
授权公告号为CN209916189U的中国专利公开了胆道粘膜电凝球,涉及一种胆道黏膜电凝球,设备前端增加电凝器可以在手术中及时进行电凝止血。The Chinese patent with the authorization announcement number CN209916189U discloses a biliary mucosal electrocoagulation bulb, which relates to a biliary mucosal electrocoagulation bulb. The addition of an electrocoagulator at the front end of the device can perform electrocoagulation and hemostasis in time during surgery.
专利公开号为US20190298435A1的美国专利涉及一种通过含有中央内腔的轴与轴远端带有电极腔的电极连接,且电极含有一个或多个不同角度的电极内腔出口的带有注射功能的高频电刀设备。U.S. Patent Publication No. US20190298435A1 relates to an electrode with an electrode lumen at the distal end of the shaft connected through a shaft containing a central lumen, and the electrode contains one or more electrode lumen exits at different angles with an injection function. High-frequency electrosurgical equipment.
上述专利方案仍然存在一些弊端,包括:The above patented solution still has some drawbacks, including:
1)功能不够多样化,仍然无法满足医生对高频电器械的多功能需求;1) The functions are not diversified enough, and it still cannot meet the multi-functional needs of doctors for high-frequency electrical instruments;
2)在进行注射或者电切功能时,需要进行一些非必要的操作,增加了医生的操作负担;2) When performing injection or electric resection, some unnecessary operations need to be performed, which increases the operational burden of doctors;
3)结构较复杂,制造成本高。3) The structure is more complicated and the manufacturing cost is high.
技术问题technical problem
针对现有技术存在的不足,本发明在于提供一种配合内窥镜使用的高频电器械,该电器械整合了I刀、O刀以及注射针功能实现了三合一,医生可以根据需要进行相应的操作,如此节省了更换器械的时间,提高了手术效率。Aiming at the deficiencies in the prior art, the present invention provides a high-frequency electrical instrument for use with an endoscope. The electrical instrument integrates the functions of the I knife, the O knife and the injection needle to achieve three-in-one, and the doctor can perform Corresponding operations save time for changing instruments and improve surgical efficiency.
技术解决方案technical solutions
为实现上述目的,本发明提供了如下技术方案:一种配合内窥镜使用的高频电器械,包括鞘管、I刀、O刀、第一手柄、第二手柄、电极座以及注射接口;In order to achieve the above object, the present invention provides the following technical solutions: a high-frequency electrical instrument used in conjunction with an endoscope, comprising a sheath, an I knife, an O knife, a first handle, a second handle, an electrode holder and an injection interface;
所述鞘管的后端与第二手柄固定连接,且鞘管内穿设有弹簧导流管;第二手柄上滑动设置第一手柄,所述弹簧导流管的后端与第一手柄固定连接,第一手柄在第二手柄上前后滑动并带动弹簧导流管相对于鞘管进行前后滑动;同时,弹簧导流管与电极座上的连接器连接,弹簧导流管的内腔道与注射接口连通;The rear end of the sheath tube is fixedly connected with the second handle, and a spring guide tube is passed through the sheath tube; a first handle is slidably arranged on the second handle, and the rear end of the spring guide tube is fixedly connected with the first handle , the first handle slides back and forth on the second handle and drives the spring guide tube to slide back and forth relative to the sheath; at the same time, the spring guide tube is connected with the connector on the electrode seat, and the inner lumen of the spring guide tube is connected to the injection interface connection;
所述鞘管外还套设有外鞘管,所述外鞘管的前部穿设所述O刀和所述I刀,I刀贯穿O刀,且I刀的后端与弹簧导流管的前端固定连接;O刀固定在鞘管的前端,且O刀上还固定有径向电极;外鞘管相对于鞘管向后滑动能够露出O刀;The outer sheath tube is also sleeved with an outer sheath tube, the front part of the outer sheath tube is pierced with the O knife and the I knife, the I knife runs through the O knife, and the rear end of the I knife and the spring guide tube The front end of the sheath is fixedly connected; the O knife is fixed on the front end of the sheath, and the radial electrode is also fixed on the O knife; the outer sheath slides backward relative to the sheath to expose the O knife;
I刀具有内腔并与弹簧导流管的内腔道相连通;弹簧导流管前后运动并带动I刀从外鞘管的前端伸出和缩回。The I knife has an inner cavity and is communicated with the inner lumen of the spring guide tube; the spring guide tube moves back and forth and drives the I knife to extend and retract from the front end of the outer sheath.
本申请的技术方案中,弹簧导流管兼具导管以及导电的作用,即在切割时,弹簧导流管、电极座上的电极与I刀连接形成电回路;在注射时,弹簧导流管、注射接口与I刀的内腔连通形成注射通道;如此,一方面,在液体注射和电切割功能之间通过对应驱动件的反向运动,以此首先可以完全消除待命功能的意外启动,避免对病人造成意外伤害或对手术过程造成干扰;同时,可以减少医生操作中的非必要动作,提高手术效率;其次,亦可以避免多个功能件的同向运动产生联动而出现误操作现象;另一方面,可以缩小鞘管的径向尺寸,且该器械的内部结构更加简单。In the technical solution of the present application, the spring guide tube has both the functions of conduit and conduction, that is, when cutting, the spring guide tube and the electrode on the electrode holder are connected with the I knife to form an electrical circuit; during injection, the spring guide tube is , The injection interface is communicated with the inner cavity of the I knife to form an injection channel; in this way, on the one hand, between the liquid injection and electric cutting functions, through the reverse movement of the corresponding driving member, firstly, the accidental activation of the standby function can be completely eliminated, avoiding It can cause accidental injury to the patient or interfere with the surgical process; at the same time, it can reduce unnecessary movements in the operation of the doctor and improve the efficiency of the operation; secondly, it can also avoid the occurrence of misoperation caused by the linkage of multiple functional parts in the same direction; On the one hand, the radial dimension of the sheath can be reduced, and the internal structure of the device is simpler.
作为优选,所述第二手柄的前端还固定有套管。Preferably, the front end of the second handle is also fixed with a sleeve.
作为优选,所述外鞘管的后端固定有外鞘把手,所述外鞘把手套接在所述鞘管上,外鞘把手向后运动并带动外鞘管相对于鞘管向后运动。Preferably, an outer sheath handle is fixed at the rear end of the outer sheath tube, the outer sheath handle is connected to the sheath tube, and the outer sheath handle moves backwards and drives the outer sheath tube to move backward relative to the sheath tube.
作为优选,所述弹簧导流管上包覆有包塑层。Preferably, the spring guide tube is covered with a plastic coating layer.
作为优选,所述第二手柄包括手柄主体以及固定在手柄主体后端的拇指环;第一手柄为双指环结构。Preferably, the second handle includes a handle body and a thumb ring fixed at the rear end of the handle body; the first handle is a double-finger ring structure.
作为优选,所述O刀的前端端部还固定有陶瓷头。Preferably, a ceramic head is also fixed at the front end of the O-knife.
作为优选,所述注射接口固定在第一手柄上。Preferably, the injection interface is fixed on the first handle.
作为优选,所述鞘管的前端还插接固定有陶瓷垫,所述O刀通过所述陶瓷垫固定在鞘管的前端。Preferably, a ceramic pad is also inserted and fixed at the front end of the sheath tube, and the O-knife is fixed on the front end of the sheath tube through the ceramic pad.
作为优选,所述陶瓷垫呈圆柱状,且陶瓷垫的外周壁形成齿状。Preferably, the ceramic pad is cylindrical, and the outer peripheral wall of the ceramic pad is formed into a tooth shape.
作为优选,所述电极座与所述第二手柄之间通过卡接、过盈配合或者螺纹连接。Preferably, the electrode holder and the second handle are connected by snap connection, interference fit or screw connection.
有益效果beneficial effect
综上所述,本发明具有以下有益效果:To sum up, the present invention has the following beneficial effects:
1、本申请的弹簧导流管兼具导管以及导电的作用,即在切割时,弹簧导流管、电极座上的连接器与I刀连接形成电回路;在注射时,弹簧导流管的内腔道、注射接口与I刀的内腔连通形成注射通道;如此,一方面,在液体注射和电切割功能之间通过对应驱动件的反向运动,以此首先可以完全消除待命功能的意外启动,避免对病人造成意外伤害或对手术过程造成干扰;同时,可以减少医生操作中的非必要动作,提高手术效率;其次,亦可以避免多个功能件的同向运动产生联动而出现误操作现象;1. The spring guide tube of the present application has both the functions of conduit and conduction, that is, when cutting, the connector on the spring guide tube and the electrode holder is connected with the I knife to form an electrical circuit; during injection, the spring guide tube The inner cavity, the injection interface and the inner cavity of the I knife are connected to form an injection channel; in this way, on the one hand, between the liquid injection and electric cutting functions, through the reverse movement of the corresponding driving member, firstly, the accident of the standby function can be completely eliminated. Start-up to avoid accidental injury to the patient or interference with the surgical process; at the same time, it can reduce unnecessary actions in the operation of the doctor and improve the efficiency of surgery; secondly, it can also avoid the linkage of multiple functional parts in the same direction and cause misoperation Phenomenon;
2、本申请的I刀贯穿O刀,且O刀穿设在鞘管的前端并与鞘管固定连接,如此可以缩小鞘管的径向尺寸;2, the I knife of the application penetrates the O knife, and the O knife is worn on the front end of the sheath tube and is fixedly connected with the sheath tube, so that the radial dimension of the sheath tube can be reduced;
3、该高频电器械的内部结构更加简单,且制造成本低。3. The internal structure of the high-frequency electrical apparatus is simpler and the manufacturing cost is low.
附图说明Description of drawings
图1为本发明的结构示意图;Fig. 1 is the structural representation of the present invention;
图2为本高频电器械的头端部的剖视图;2 is a cross-sectional view of the head end of the high-frequency electrical apparatus;
图3为本发明的I刀或者注射针处于工作状态的示意图;Fig. 3 is the schematic diagram that the I knife or the injection needle of the present invention is in the working state;
图4为本发明的O刀处于工作状态的示意图。FIG. 4 is a schematic diagram of the O-knife of the present invention in a working state.
附图标记:1、拇指环;2、第二手柄;3、第一手柄;4、注射接口;5、电极座;6、连接器;7、套管;8、鞘管;9、外鞘把手;10、外鞘管;11、陶瓷头;12、I刀;13、径向电极;14、O刀;15、陶瓷垫;16、弹簧导流管;17、包塑层。Reference numerals: 1, thumb ring; 2, second handle; 3, first handle; 4, injection interface; 5, electrode holder; 6, connector; 7, cannula; 8, sheath tube; 9, outer sheath Handle; 10, outer sheath tube; 11, ceramic head; 12, I knife; 13, radial electrode; 14, O knife; 15, ceramic pad; 16, spring guide tube; 17, plastic coating.
本发明的实施方式Embodiments of the present invention
参照附图对本发明做进一步说明。The present invention will be further described with reference to the accompanying drawings.
本实施例公开了一种配合内窥镜使用的高频电器械,如图1~4所示,包括鞘管8、I刀12、O刀14、第一手柄3、第二手柄2、电极座5以及注射接口4,电极座5上设置有连接器6,同时电极座5设置在第二手柄2的前端,且与第二手柄2之间通过卡接、过盈配合或者螺纹连接;另外,注射接口4固定在第一手柄3上;鞘管8的后端与第二手柄2固定连接,且鞘管8内穿设有弹簧导流管16,弹簧导流管16上同时包覆有包塑层,第二手柄2上滑动设置第一手柄3,弹簧导流管16的后端与第一手柄3固定连接,第一手柄3在第二手柄上前后滑动并带动弹簧导流管16相对于鞘管进行前后运动,同时,弹簧导流管16与电极座5上的连接器6连接,弹簧导流管16的内腔道与注射接口4连通;鞘管8外还套设有外鞘管10,外鞘管10的前部穿设O刀14和I刀12,I刀12贯穿O刀14,鞘管8的前端还插接固定有陶瓷垫15,O刀14通过陶瓷垫15固定在鞘管8的前端,陶瓷垫15呈圆柱状,且陶瓷垫15的外周壁形成齿状;I刀12的后端与弹簧导流管16的前端固定连接;O刀14上还固定有径向电极13;外鞘管10相对于鞘管8向后滑动能够露出O刀14;同时,I刀12具有内腔并与弹簧导流管16的内腔道相连通;弹簧导流管16前后运动并带动I刀12从外鞘管10的前端伸出和缩回。This embodiment discloses a high-frequency electrical instrument used in conjunction with an endoscope. As shown in Figures 1 to 4, it includes a sheath tube 8, an I knife 12, an O knife 14, a first handle 3, a second handle 2, and electrodes. The seat 5 and the injection interface 4, the electrode seat 5 is provided with a connector 6, and the electrode seat 5 is arranged at the front end of the second handle 2, and is connected with the second handle 2 by snap connection, interference fit or screw connection; , the injection interface 4 is fixed on the first handle 3; the rear end of the sheath tube 8 is fixedly connected with the second handle 2, and the sheath tube 8 is provided with a spring guide tube 16, and the spring guide tube 16 is also covered with Plastic coating layer, the first handle 3 is slidably arranged on the second handle 2, the rear end of the spring guide tube 16 is fixedly connected with the first handle 3, the first handle 3 slides back and forth on the second handle and drives the spring guide tube 16 The back and forth movement is performed relative to the sheath tube, and at the same time, the spring guide tube 16 is connected with the connector 6 on the electrode base 5, and the inner lumen of the spring guide tube 16 is communicated with the injection interface 4; Sheath tube 10, the front part of outer sheath tube 10 wears O knife 14 and I knife 12, I knife 12 penetrates O knife 14, the front end of sheath tube 8 is also plugged and fixed with ceramic pad 15, and O knife 14 passes through ceramic pad 15 Fixed on the front end of the sheath tube 8, the ceramic pad 15 is cylindrical, and the outer peripheral wall of the ceramic pad 15 forms a tooth shape; the rear end of the I knife 12 is fixedly connected with the front end of the spring guide tube 16; the O knife 14 is also fixed with Radial electrode 13; the outer sheath tube 10 slides backward relative to the sheath tube 8 to expose the O knife 14; meanwhile, the I knife 12 has a lumen and communicates with the inner lumen of the spring guide tube 16; the spring guide tube 16 It moves back and forth and drives the I knife 12 to extend and retract from the front end of the outer sheath tube 10.
注射针模式:将第一手柄3沿第二手柄2向前推动,第一手柄3带动弹簧导流管16和I刀12向前移动,使I刀12从外鞘管10的前端伸出达到工作状态,此时注射接口4、弹簧导流管16的内腔道以及I刀12的内腔连通成一个通道,将注射器连接在注射接口4上,进行注射操作;Injection needle mode: push the first handle 3 forward along the second handle 2, and the first handle 3 drives the spring guide tube 16 and the I knife 12 to move forward, so that the I knife 12 extends from the front end of the outer sheath 10 to reach. In the working state, the inner cavity of the injection interface 4, the spring guide tube 16 and the inner cavity of the I knife 12 are communicated into a channel, and the syringe is connected on the injection interface 4 to carry out the injection operation;
高频I刀模式:将第一手柄3沿第二手柄2向前推动,第一手柄3带动弹簧导流管16和I刀12向前移动,使I刀12从外鞘管10的前端伸出达到工作状态;此时连接器6、弹簧导流管16以及I刀12形成一个连接电路,将高频电连接到连接器6上,进行I刀12切割操作;High-frequency I knife mode: push the first handle 3 forward along the second handle 2, and the first handle 3 drives the spring guide tube 16 and the I knife 12 to move forward, so that the I knife 12 extends from the front end of the outer sheath 10. Go out and reach the working state; At this time, the connector 6, the spring guide tube 16 and the I knife 12 form a connection circuit, and the high frequency is electrically connected to the connector 6, and the I knife 12 cutting operation is carried out;
高频O刀模式:在I刀12完全收回的状态下,将外鞘管10沿鞘管8向后拉动,使O刀14从外鞘管10的前端露出,此时处于高频O刀14的工作状态;此时连接器6、弹簧导流管16、I刀12、径向电极13以及O刀14形成一个连接电路;将高频电连接到连接器6上,进行O刀14切割操作。High-frequency O knife mode: when the I knife 12 is fully retracted, the outer sheath tube 10 is pulled backward along the sheath tube 8, so that the O knife 14 is exposed from the front end of the outer sheath tube 10, and the high frequency O knife 14 is at this time. At this time, the connector 6, the spring guide tube 16, the I knife 12, the radial electrode 13 and the O knife 14 form a connection circuit; the high frequency is electrically connected to the connector 6, and the O knife 14 cutting operation is performed .
该器械整合了I刀12、O刀14以及注射针功能实现了三合一,医生可以根据需要进行相应的操作,即可对病变组织进行标记;又可注射生理盐水抬高病灶部位;还可以切割剥离粘膜组织;如此节省了更换器械的时间,提高了手术效率,最大限度的减少了病人的痛苦。The device integrates the functions of the I knife 12, the O knife 14 and the injection needle to achieve a three-in-one function. The doctor can perform corresponding operations as needed to mark the diseased tissue; inject normal saline to raise the lesion; Cut and peel the mucosal tissue; this saves the time of changing instruments, improves the efficiency of the operation, and minimizes the pain of the patient.
本申请的技术方案中,弹簧导流管16兼具导管以及导电的作用,即在切割时,弹簧导流管16、电极座5上的连接器6与I刀12连接形成电回路;在切割时,弹簧导流管16的内腔道、注射接口4与I刀12的内腔连通形成注射通道;如此,一方面,在液体注射和电切割功能之间通过对应驱动件的反向运动,以此首先可以完全消除待命功能的意外启动,避免对病人造成意外伤害或对手术过程造成干扰;同时,可以减少医生操作中的非必要动作,提高手术效率;其次,亦可以避免多个功能件的同向运动产生联动而出现误操作现象;另一方面,可以缩小鞘管8的径向尺寸,且该器械的内部结构更加简单,且制造成本低。In the technical solution of the present application, the spring guide tube 16 has both the functions of conduit and conduction, that is, during cutting, the spring guide tube 16, the connector 6 on the electrode holder 5 and the I knife 12 are connected to form an electrical circuit; At the time, the inner lumen of the spring guide tube 16, the injection interface 4 and the inner lumen of the I knife 12 communicate with each other to form an injection channel; in this way, on the one hand, between the liquid injection and the electric cutting function, through the reverse movement of the corresponding driving member, In this way, the accidental activation of the standby function can be completely eliminated, and accidental injury to the patient or interference with the surgical process can be avoided; at the same time, unnecessary actions in the operation of the doctor can be reduced, and the surgical efficiency can be improved; secondly, multiple functional parts can be avoided. On the other hand, the radial size of the sheath tube 8 can be reduced, the internal structure of the device is simpler, and the manufacturing cost is low.
进一步的,第二手柄2的前端还固定有套管7,外鞘管10向后滑动至与套管7相抵能够露出O刀14;同时,外鞘管10的后端固定有外鞘把手9,外鞘把手9套接在鞘管8上,外鞘把手9向后运动并带动外鞘管10相对于鞘管8向后运动。Further, the front end of the second handle 2 is also fixed with a sleeve 7, and the outer sheath 10 is slid backwards to abut against the sleeve 7 to expose the O knife 14; at the same time, the rear end of the outer sheath 10 is fixed with an outer sheath handle 9. , the outer sheath handle 9 is sleeved on the sheath tube 8, and the outer sheath handle 9 moves backward and drives the outer sheath tube 10 to move backward relative to the sheath tube 8.
第一手柄3包括手柄主体以及固定在手柄主体后端的拇指环1;第二手柄2为双指环结构,方便医生进行单手操作。同时,O刀14的前端端部还固定有陶瓷头11。The first handle 3 includes a handle body and a thumb ring 1 fixed at the rear end of the handle body; the second handle 2 is a double finger ring structure, which is convenient for doctors to operate with one hand. At the same time, the front end of the O knife 14 is also fixed with a ceramic head 11 .
本具体实施例中的指定方向仅仅是为了便于表述各部件之间位置关系以及相互配合的关系。以上所述仅是本发明的优选实施方式,本发明的保护范围并不仅局限于上述实施例,凡属于本发明思路下的技术方案均属于本发明的保护范围。应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理前提下的若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。The specified directions in this specific embodiment are only for the convenience of expressing the positional relationship and the mutual cooperation relationship between the various components. The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (10)

  1. 一种配合内窥镜使用的高频电器械,包括鞘管(8)、I刀(12)、O刀(14)、第一手柄(3)、第二手柄(2)、电极座(5)以及注射接口(4);其特征是:A high-frequency electrical instrument used in conjunction with an endoscope, comprising a sheath tube (8), an I knife (12), an O knife (14), a first handle (3), a second handle (2), and an electrode holder (5) ) and injection interface (4); it is characterized by:
    所述鞘管(8)的后端与第二手柄(2)固定连接,且鞘管(8)内穿设有弹簧导流管(16);第二手柄(2)上滑动设置第一手柄(3),所述弹簧导流管(16)的后端与第一手柄(3)固定连接,第一手柄(3)在第二手柄(2)上前后滑动并带动弹簧导流管(16)相对于鞘管(8)进行前后滑动;同时,弹簧导流管(16)与电极座(5)上的连接器(6)连接,弹簧导流管(16)的内腔道与注射接口(4)连通;The rear end of the sheath tube (8) is fixedly connected with the second handle (2), and the sheath tube (8) is provided with a spring guide tube (16); the second handle (2) is slidably provided with a first handle (3), the rear end of the spring guide tube (16) is fixedly connected with the first handle (3), the first handle (3) slides back and forth on the second handle (2) and drives the spring guide tube (16) ) slides back and forth relative to the sheath tube (8); at the same time, the spring guide tube (16) is connected with the connector (6) on the electrode seat (5), and the inner lumen of the spring guide tube (16) is connected to the injection interface (4) Connectivity;
    所述鞘管(8)外还套设有外鞘管(10),所述外鞘管(10)的前部穿设所述O刀(14)和所述I刀(12),I刀(12)贯穿O刀(14),且I刀(12)的后端与弹簧导流管(16)的前端固定连接;O刀(14)固定在鞘管(8)的前端,且O刀(14)上还固定有径向电极(13);外鞘管(10)相对于鞘管(8)向后滑动能够露出O刀(14);The sheath tube (8) is also sleeved with an outer sheath tube (10), and the front part of the outer sheath tube (10) is pierced with the O knife (14) and the I knife (12), and the I knife (12) penetrates the O knife (14), and the rear end of the I knife (12) is fixedly connected with the front end of the spring guide tube (16); the O knife (14) is fixed on the front end of the sheath tube (8), and the O knife (14) is also fixed with a radial electrode (13); the outer sheath (10) slides backward relative to the sheath (8) to expose the O knife (14);
    I刀(12)具有内腔并与弹簧导流管(16)的内腔道相连通;弹簧导流管(16)前后运动并带动I刀(12)从外鞘管(10)的前端伸出和缩回。The I knife (12) has an inner cavity and is communicated with the inner lumen of the spring guide tube (16); the spring guide tube (16) moves back and forth and drives the I knife (12) to extend from the front end of the outer sheath tube (10) out and retract.
  2. 根据权利要求1所述的一种配合内窥镜使用的高频电器械,其特征是:所述第二手柄(2)的前端还固定有套管(7)。A high-frequency electrical instrument for use with an endoscope according to claim 1, wherein a sleeve (7) is also fixed at the front end of the second handle (2).
  3. 根据权利要求1所述的一种配合内窥镜使用的高频电器械,其特征是:所述外鞘管(10)的后端固定有外鞘把手(9),所述外鞘把手(9)套接在所述鞘管(8)上,外鞘把手(9)向后运动并带动外鞘管(10)相对于鞘管(8)向后运动。A high-frequency electrical instrument for use with an endoscope according to claim 1, characterized in that: an outer sheath handle (9) is fixed at the rear end of the outer sheath tube (10), and the outer sheath handle ( 9) being sleeved on the sheath tube (8), the outer sheath handle (9) moves backward and drives the outer sheath tube (10) to move backward relative to the sheath tube (8).
  4. 根据权利要求3所述的一种配合内窥镜使用的高频电器械,其特征是:所述弹簧导流管(16)上包覆有包塑层。A high-frequency electrical instrument for use with an endoscope according to claim 3, characterized in that: the spring guide tube (16) is covered with a plastic coating layer.
  5. 根据权利要求1所述的一种配合内窥镜使用的高频电器械,其特征是:所述第二手柄(2)包括手柄主体以及固定在手柄主体后端的拇指环(1);第一手柄(3)为双指环结构。A high-frequency electrical instrument for use with an endoscope according to claim 1, characterized in that: the second handle (2) comprises a handle body and a thumb ring (1) fixed at the rear end of the handle body; The handle (3) is a double-finger ring structure.
  6. 根据权利要求1所述的一种配合内窥镜使用的高频电器械,其特征是:所述O刀(14)的前端端部还固定有陶瓷头(11)。The high-frequency electrical instrument used in conjunction with an endoscope according to claim 1, characterized in that a ceramic head (11) is also fixed on the front end of the O-knife (14).
  7. 根据权利要求1所述的一种配合内窥镜使用的高频电器械,其特征是:所述注射接口(4)固定在第一手柄(3)上。A high-frequency electrical instrument for use with an endoscope according to claim 1, wherein the injection interface (4) is fixed on the first handle (3).
  8. 根据权利要求1所述的一种配合内窥镜使用的高频电器械,其特征是:所述鞘管(8)的前端还插接固定有陶瓷垫(15),所述O刀(14)通过所述陶瓷垫(15)固定在鞘管(8)的前端。A high-frequency electrical instrument for use with an endoscope according to claim 1, characterized in that: the front end of the sheath tube (8) is also plugged and fixed with a ceramic pad (15), and the O knife (14) ) is fixed on the front end of the sheath tube (8) through the ceramic pad (15).
  9. 根据权利要求8所述的一种配合内窥镜使用的高频电器械,其特征是:所述陶瓷垫(15)呈圆柱状,且陶瓷垫(15)的外周壁形成齿状。The high-frequency electrical instrument used in conjunction with an endoscope according to claim 8, wherein the ceramic pad (15) is cylindrical, and the outer peripheral wall of the ceramic pad (15) is formed in a tooth shape.
  10. 根据权利要求1所述的一种配合内窥镜使用的高频电器械,其特征是:所述电极座(5)与所述第二手柄(2)之间通过卡接、过盈配合或者螺纹连接。A high-frequency electrical instrument for use with an endoscope according to claim 1, characterized in that: the electrode holder (5) and the second handle (2) are connected by snap connection, interference fit or Threaded connection.
PCT/CN2021/104422 2020-07-08 2021-07-05 High frequency electrical instrument for use with endoscope WO2022007734A1 (en)

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Publication number Priority date Publication date Assignee Title
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006115966A (en) * 2004-10-20 2006-05-11 Pentax Corp High-frequency treatment instrument for endoscope
CN205054424U (en) * 2015-06-30 2016-03-02 复旦大学附属中山医院 But injection peels off incision sword under scope mucosa
CN105434038A (en) * 2015-12-15 2016-03-30 安瑞医疗器械(杭州)有限公司 Multifunctional high-frequency tool for endoscope
CN108784828A (en) * 2018-07-04 2018-11-13 北京安和加利尔科技有限公司 A kind of scope electric knife with Double-cutter head
CN110236669A (en) * 2019-05-28 2019-09-17 安瑞医疗器械(杭州)有限公司 A kind of linkage structure of endoscopic instrument
CN111671514A (en) * 2020-07-08 2020-09-18 安瑞医疗器械(杭州)有限公司 Multifunctional high-frequency cutter for endoscope
CN111671513A (en) * 2020-07-08 2020-09-18 安瑞医疗器械(杭州)有限公司 High-frequency electric appliance matched with endoscope
CN213406254U (en) * 2020-07-08 2021-06-11 安瑞医疗器械(杭州)有限公司 Multifunctional high-frequency cutter for endoscope

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11114059A (en) * 1997-10-16 1999-04-27 Asahi Optical Co Ltd Treatment instrument for endoscope
DE202009018056U1 (en) * 2009-04-16 2010-12-30 Erbe Elektromedizin Gmbh Endoscopic surgical instrument
CN207613865U (en) * 2017-05-15 2018-07-17 浙江创想医学科技有限公司 Multifunctional high frequency electric knife under scope
CN108309439A (en) * 2018-05-09 2018-07-24 诸暨市鹏天医疗器械有限公司 A kind of adjustable incision knife of syringe needle and its application method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006115966A (en) * 2004-10-20 2006-05-11 Pentax Corp High-frequency treatment instrument for endoscope
CN205054424U (en) * 2015-06-30 2016-03-02 复旦大学附属中山医院 But injection peels off incision sword under scope mucosa
CN105434038A (en) * 2015-12-15 2016-03-30 安瑞医疗器械(杭州)有限公司 Multifunctional high-frequency tool for endoscope
CN108784828A (en) * 2018-07-04 2018-11-13 北京安和加利尔科技有限公司 A kind of scope electric knife with Double-cutter head
CN110236669A (en) * 2019-05-28 2019-09-17 安瑞医疗器械(杭州)有限公司 A kind of linkage structure of endoscopic instrument
CN111671514A (en) * 2020-07-08 2020-09-18 安瑞医疗器械(杭州)有限公司 Multifunctional high-frequency cutter for endoscope
CN111671513A (en) * 2020-07-08 2020-09-18 安瑞医疗器械(杭州)有限公司 High-frequency electric appliance matched with endoscope
CN213406254U (en) * 2020-07-08 2021-06-11 安瑞医疗器械(杭州)有限公司 Multifunctional high-frequency cutter for endoscope

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