WO2021022858A1 - 一种内窥镜的手持端 - Google Patents

一种内窥镜的手持端 Download PDF

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Publication number
WO2021022858A1
WO2021022858A1 PCT/CN2020/089654 CN2020089654W WO2021022858A1 WO 2021022858 A1 WO2021022858 A1 WO 2021022858A1 CN 2020089654 W CN2020089654 W CN 2020089654W WO 2021022858 A1 WO2021022858 A1 WO 2021022858A1
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WO
WIPO (PCT)
Prior art keywords
positioning
bracket
endoscope
nut
toggle
Prior art date
Application number
PCT/CN2020/089654
Other languages
English (en)
French (fr)
Inventor
莫文军
贾晓峰
周冠华
唐鹏
Original Assignee
湖南省华芯医疗器械有限公司
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 湖南省华芯医疗器械有限公司 filed Critical 湖南省华芯医疗器械有限公司
Priority to JP2022502471A priority Critical patent/JP7175067B2/ja
Priority to EP20848946.8A priority patent/EP3998011B1/en
Priority to US17/633,488 priority patent/US11980337B2/en
Priority to ES20848946T priority patent/ES2942690T3/es
Publication of WO2021022858A1 publication Critical patent/WO2021022858A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00039—Operational features of endoscopes provided with input arrangements for the user
    • A61B1/00042—Operational features of endoscopes provided with input arrangements for the user for mechanical operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00066—Proximal part of endoscope body, e.g. handles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00105—Constructional details of the endoscope body characterised by modular construction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00112—Connection or coupling means
    • A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
    • A61B1/00128—Connectors, fasteners and adapters, e.g. on the endoscope handle mechanical, e.g. for tubes or pipes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00131—Accessories for endoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005—Flexible endoscopes
    • A61B1/0051—Flexible endoscopes with controlled bending of insertion part
    • A61B1/0052—Constructional details of control elements, e.g. handles

Definitions

  • the present invention relates to the technical field of endoscopes, and in particular, to a handheld end of an endoscope.
  • the endoscope As the current medical instrument, the endoscope has been widely used.
  • the endoscope system consists of an endoscope and a processor device for the endoscope.
  • the endoscope is equipped with a CCD (Charge Coupled Device) image sensor that takes pictures of the body cavity.
  • the first connector provided at the end of the universal cord, the processor device for the endoscope is provided with a second connector for attaching the first connector of the endoscope in a removable manner, and a counter slave
  • the image data output by the endoscope is subjected to image processing and other control units and light sources.
  • the first connector of the endoscope is connected to the second connector of the processor device for the endoscope by using electrical contacts, thereby transferring the processor device for the endoscope to the endoscope
  • the image signal and control signal are transmitted between the processor device for the endoscope and the endoscope.
  • one of the objectives of the present invention is to provide a handheld end of an endoscope.
  • a handheld end of an endoscope including a housing, an insertion end positioning component and a self-locking component, the self-locking component is hinged to the housing;
  • the housing includes Insertion port;
  • the insertion end positioning assembly includes a positioning member, a first positioning nut and a threaded steel tube, the positioning member is inserted into the insertion port, the threaded steel tube and the first positioning nut are matched by threads, the first A positioning nut is fixedly placed in the positioning member;
  • the insertion end positioning assembly further includes a through hole and a fixing member, and the fixing member is matched with the through hole for supporting the threaded steel pipe.
  • the positioning member is provided with a limiting groove
  • the insertion end positioning assembly further includes a stopper, and the stopper is arranged in the limiting groove Inside; wherein the diameter of the baffle is greater than the diameter of the insertion port.
  • the fixing member includes a second nut and a top wire, the second nut is fixed to the through hole, and the top wire is The second nut is fitted with threads.
  • the insertion end positioning assembly further includes a locking member, the inner bottom of the locking member is provided with a flat-shaped slot, and the inner wall is provided with an internal thread
  • the rear end of the positioning member is provided with an in-line fixed block, the in-line fixed block is matched with the in-line card slot;
  • the housing also includes a protective shell, the protective shell is provided in the insert The outside of the port is fixedly connected with the insertion port, the protective shell is provided with an external thread, and the external thread is matched with the internal thread.
  • the self-locking component includes a toggle bracket, an elastic bracket and a toggle hand, and the toggle glove is arranged on the toggle bracket and runs along It moves in the direction in which it is sleeved, the shaft of the toggle bracket passes through the housing and is connected to the elastic bracket on the other side; wherein, a toggle lever and a friction plate are provided on the inner side of the toggle bracket, and One end of the shift lever is hinged with the shifting hand, and the other end is not connected with the friction plate; wherein the cross section of the shift lever is L-shaped, and the middle bend of the shift lever is fixed to the shift bracket.
  • the rod and the toggle bracket are hinged through a pin.
  • the self-locking assembly further includes a limiting member, the limiting member includes a fixed plate and a fitting plate, the fixed plate and the embedded plate The closing disc is matched, and the fixed disc is fixed with the long shaft; wherein, a limit block is provided on the fitting disc.
  • the shell is further provided with reinforcing ribs, the number of the reinforcing ribs is two, and the movable space formed between the two reinforcing ribs and the The limit blocks are matched.
  • one end of the shift lever is provided with a mating protrusion
  • one end of the friction plate is provided with a mating protrusion
  • the surface where the mating protrusion is located Opposite to the surface where the embedding protrusion is located, the two cooperate with each other.
  • the shift lever and the shift hand are hinged by a pin bolt, and the hole at the connecting end of the shift lever is an oblong hole, so The pin passes through the oblong hole and is matched with the toggle bracket.
  • one end of the friction plate is fixed to the other end of the elastic support through a long axis.
  • the axial position of the positioning member is fixed by the cooperation of the threaded steel pipe and the positioning member, the rotation position of the positioning member is fixed by the second nut and the jack screw, and the in-line card slot and the in-line fixing block are matched to fix The position of the insertion end;
  • the shift lever By moving the shifting hand, the shift lever will move accordingly.
  • the tail end of the shift lever contacts the friction plate, and the back and forth movement of the friction plate makes the elastic support close to and away from the housing, thereby passing the friction plate and the shift lever.
  • the contact of the tail end realizes the self-locking of the dialing hand, and the self-locking of the endoscope is realized by the elastic bracket being close to and away from the housing, and the structure is simple, the production cost is low, but the work efficiency is high.
  • FIG. 1 is a schematic diagram of a partial structure of the handheld end of the endoscope in an embodiment provided by the handheld end of the endoscope of the present invention
  • FIG. 2 is a schematic diagram of the overall structure of the insertion end positioning assembly in an embodiment provided by the handheld end of the endoscope of the present invention
  • FIG. 3 is an exploded schematic diagram of the overall structure of the insertion end positioning assembly in an embodiment provided by the handheld end of the endoscope of the present invention
  • FIG. 4 is a schematic diagram of the overall structure of the locking member in an embodiment provided by the handheld end of the endoscope of the present invention.
  • Fig. 5 is a partial structural diagram of the self-locking component in an embodiment provided by the handheld end of the endoscope of the present invention
  • FIG. 6 is an enlarged schematic diagram of a partial structure of the housing in an embodiment provided by the handheld end of the endoscope of the present invention.
  • FIG. 7 is an enlarged schematic diagram of the overall structure of the self-locking component in an embodiment provided by the handheld end of the endoscope of the present invention.
  • FIG. 8 is an enlarged schematic diagram of the partial structure in FIG. 7 in an embodiment provided by the handheld end of the endoscope of the present invention.
  • FIG. 9 is an enlarged schematic diagram of the overall structure of the shift lever in an embodiment provided by the handheld end of the endoscope of the present invention.
  • FIG. 10 is a schematic diagram of the overall structure in an embodiment provided by the handheld end of the endoscope of the present invention.
  • the “one embodiment” or “embodiment” referred to herein refers to a specific feature, structure, or characteristic that can be included in at least one implementation of the present invention.
  • the appearances of "in one embodiment” in different places in this specification do not all refer to the same embodiment, nor are they separate or selectively mutually exclusive embodiments with other embodiments.
  • the present invention provides a hand-held end of an endoscope.
  • the hand-held end of the endoscope includes a housing 100, an insertion end positioning assembly 200, and a self-locking assembly 300.
  • the insertion end positioning assembly 200 It cooperates with the housing 100 to fix the position of the insertion end, and the self-locking assembly 300 is hinged to the housing 100.
  • the housing 100 includes an insertion port 101.
  • the insertion end positioning assembly 200 is inserted into the insertion port 101 and then matched.
  • the insertion end positioning assembly 200 includes a positioning member 201, a first positioning nut 202, a threaded steel pipe 203, a through hole 204 and a fixing member 205.
  • the positioning member 201 is inserted into the insertion port 101, the threaded steel pipe 203 and the first positioning nut 202 are matched by threads, and the first positioning nut 202 is fixedly placed in the positioning member 201, and the fixing
  • the piece 205 is matched with the through hole 204 for supporting the threaded steel pipe 203.
  • the positioning member 201 is provided with a limiting groove 201a.
  • the insertion end positioning assembly 200 further includes a blocking piece 207 disposed in the limiting groove 201 a, and the diameter of the blocking piece 207 is larger than the diameter of the insertion port 101. In this way, after the positioning piece 201 is inserted from the insertion port 101, the positioning piece 201 is clamped at the insertion port 101 by the stopper 207, and when the positioning piece 201 is pulled again, the positioning piece 201 will not detach from the insertion port 101 .
  • the positioning member 201 is buckled to the position of the insertion port 101 through the cooperation between the parts, which simply restricts the axial movement of the positioning member 201, which is achieved by the limit of the stopper 207.
  • the positioning member 201 can still generate a rotational movement.
  • the fixing member 205 is matched with the through hole 204 to resist the threaded steel pipe 203 and restrict the rotation direction of the positioning member 201 On the possibility of movement.
  • a thread connected to the endoscope is passed through the threaded steel tube 203.
  • One end of the thread is fixed inside the housing 100, and the other end passes through the threaded steel tube 203 and the insertion port 101, in order to fix the position of the thread.
  • the fixing member 205 includes a second nut 205a and a top wire 205b, the second nut 205a is fixed to the through hole 204, and the top wire 205b passes through the second nut 205a Thread fit.
  • the second nut 205a is fixedly connected to the through hole 204 by bonding or welding. By rotating the jack wire 205b, the jack wire 205b moves relative to the second nut 205a, so that the end of the entry end of the jack wire 205b can be compressed. Line.
  • the working principle in this embodiment is: in this embodiment, after the positioning member 201 is inserted from the insertion port 101, the positioning member 201 is clamped at the insertion port 101 by the stopper 207, and when the positioning member 201 is pulled again , The positioning member 201 will not detach from the insertion port 101.
  • the second nut 205a is fixedly connected to the through hole 204 by bonding or welding. By rotating the jack wire 205b, the jack wire 205b moves relative to the second nut 205a, so that the end of the entry end of the jack wire 205b can be compressed. Line.
  • the second embodiment provided by the handheld end of the endoscope of the present invention is different from the first embodiment: in this embodiment, the insertion end is positioned
  • the assembly 200 further includes a locking member 206.
  • the inner bottom of the locking member 206 is provided with a straight groove 206a, and an internal thread is provided on the inner wall of the locking member 206.
  • the rear end of the positioning member 201 is provided with a straight-shaped fixed block 201b, and the straight-shaped fixed block 201b is matched with the straight-shaped slot 206a.
  • the handheld end of the endoscope includes a housing 100, an insertion end positioning assembly 200, and a self-locking assembly 300.
  • the insertion end positioning assembly 200 cooperates with the housing 100 to fix the position of the insertion end.
  • the self-locking assembly 300 It is hinged to the housing 100.
  • the housing 100 includes an insertion port 101.
  • the insertion end positioning assembly 200 is inserted into the insertion port 101 and then matched.
  • the insertion end positioning assembly 200 includes a positioning member 201, a first positioning nut 202, a threaded steel pipe 203, a through hole 204, a fixing member 205 and a locking member 206.
  • the positioning member 201 is inserted into the insertion port 101, and the rear end of the positioning member 201 is provided with a straight-shaped fixing block 201b, the threaded steel pipe 203 and the first positioning nut 202 are matched with each other through threads, and the second A positioning nut 202 is fixedly placed in the positioning member 201, and the fixing member 205 is matched with the through hole 204 for supporting the threaded steel pipe 203.
  • the inner bottom of the locking member 206 is provided with a straight groove 206a, and the inner wall is provided with an internal thread.
  • the straight fixing block 201b is matched with the straight groove 206a.
  • the positioning member 201 is provided with a limiting groove 201a.
  • the insertion end positioning assembly 200 further includes a blocking piece 207 disposed in the limiting groove 201 a, and the diameter of the blocking piece 207 is larger than the diameter of the insertion port 101. In this way, after the positioning piece 201 is inserted from the insertion port 101, the positioning piece 201 is clamped at the insertion port 101 by the stopper 207, and when the positioning piece 201 is pulled again, the positioning piece 201 will not detach from the insertion port 101 .
  • the positioning member 201 is buckled to the position of the insertion port 101 through the cooperation between the parts, which simply restricts the axial movement of the positioning member 201, which is achieved by the limit of the stopper 207.
  • the positioning member 201 can still generate a rotational movement.
  • the fixing member 205 is matched with the through hole 204 to resist the threaded steel pipe 203 and restrict the rotation direction of the positioning member 201 On the possibility of movement.
  • a thread connected to the endoscope is passed through the threaded steel tube 203.
  • One end of the thread is fixed inside the housing 100, and the other end passes through the threaded steel tube 203 and the insertion port 101, in order to fix the position of the thread.
  • the fixing member 205 includes a second nut 205a and a top wire 205b, the second nut 205a is fixed to the through hole 204, and the top wire 205b passes through the second nut 205a Thread fit.
  • the second nut 205a is fixedly connected to the through hole 204 by bonding or welding. By rotating the jack wire 205b, the jack wire 205b moves relative to the second nut 205a, so that the end of the entry end of the jack wire 205b can be compressed. Line.
  • the housing 100 further includes a protective shell 102 which is provided on the outside of the insertion port 101 and is fixedly connected to the insertion port 101, and the protective shell 102 is provided with external threads, The external thread is matched with the internal thread.
  • a protective shell 102 which is provided on the outside of the insertion port 101 and is fixedly connected to the insertion port 101, and the protective shell 102 is provided with external threads, The external thread is matched with the internal thread.
  • the working principle in this embodiment is: in this embodiment, after the positioning member 201 is inserted from the insertion port 101, the positioning member 201 is clamped at the insertion port 101 by the stopper 207, and when the positioning member 201 is pulled again , The positioning member 201 will not detach from the insertion port 101.
  • the second nut 205a is fixedly connected to the through hole 204 by bonding or welding. By rotating the jack wire 205b, the jack wire 205b moves relative to the second nut 205a, so that the end of the entry end of the jack wire 205b can be compressed. Line.
  • the inline card slot 206a is matched with the inline fixing block 201b, and the outer thread of the protective shell 102 and the inner thread of the locking member 206 are matched to realize the positioning of the locking member 206 and lock the position of the wire insertion end at the same time.
  • the self-locking assembly 300 includes a toggle bracket 301, an elastic bracket 302 and a toggle 303.
  • the toggle 303 is sleeved on the toggle bracket 301 and moves along the direction in which it is sleeved.
  • the axis of the toggle bracket 301 passes through the housing 100 and is positioned on the other The side is connected with the elastic support 302.
  • a shift lever 301a and a friction plate 301b are provided on the inner side of the toggle bracket 301.
  • One end of the shift lever 301a is hinged with the shift handle 303; the other end is not connected with the friction plate 301b;
  • the cross section is L-shaped, and the middle bend is fixed to the toggle bracket 301, and the toggle lever 301a is hinged with the toggle bracket 301 by a pin.
  • the self-locking assembly 300 includes a toggle support 301, an elastic support 302, and a toggle 303.
  • the toggle 303 is sleeved on the toggle support 301 and moves along the direction in which it is sleeved.
  • the shaft of the movable support 301 passes through the housing 100 and is connected to the elastic support 302 on the other side.
  • the toggle 303 is sleeved on the toggle bracket 301, but it can move left and right along the toggle bracket 301.
  • the inner side of the toggle bracket 301 is provided with a toggle lever 301a and a friction plate 301b.
  • the cross section of the toggle lever 301a is L-shaped, and the middle bend is fixed to the toggle bracket 301.
  • the toggle lever 301a is The toggle bracket 301 is hinged by a pin. After the toggle lever 301a receives a force, it can rotate relative to the pin and push the friction plate 301b to move.
  • the shift lever 301a and the shifting hand 303 are hinged by a pin, and the hole at the connecting end of the shifting lever 301a is an oblong hole, and the shifting hand 303 passes through the oblong
  • the hole is matched with the toggle bracket 301. Therefore, when the shifting hand 303 moves on the shifting bracket 301, the shifting rod 301a with a long oval hole can go up and down, left and right around the pin (left and right here refers to the vertical to the shifting bracket 301 Direction) to move.
  • one end of the shift lever 301a is provided with a mating protrusion 301a-1
  • one end of the friction plate 301b is provided with a mating protrusion 301b-1
  • the surface of the mating protrusion 301a-1 is The surfaces of the embedding protrusions 301b-1 are opposite, and the two cooperate with each other.
  • both the mating protrusion 301a-1 and the mating protrusion 301b-1 are smooth curved surfaces.
  • the cross section of the mating protrusion 301a-1 and the engagement protrusion 301b-1 is semicircular.
  • the number of the mating protrusions 301a-1 and the engagement protrusions 301b-1 are the same.
  • the working principle of the self-locking device for the handheld end of the endoscope of the present invention is as follows: in the initial state, the dialing hand 303 is placed on the left side of the dialing bracket 301. Manually toggle the toggle 303, so that it moves from the left side of the toggle bracket 301 to the right side of the toggle bracket 301, and moves to the right side of the toggle bracket 301.
  • the shifting hand 303 moves from the left side of the shifting bracket 301 to the right side of the shifting bracket 301, one end of the long oval hole of the shift lever 301a moves relative to the pin, so that the shift lever 301a is positioned on the pin. Rotate in position.
  • the mating protrusion 301a-1 is placed below the mating protrusion 301b-1. After the lever 301a is rotated at the pin position, the mating protrusion 301a-1 is placed at the position Above the fitting protrusion 301b-1.
  • one end of the friction plate 301b is fixed to the other end of the elastic bracket 302 through a long shaft 401.
  • the elastic support 302 is in contact with the housing 100, and the resistance of the movement of the end of the plug-in wire through the self-locking assembly 300 becomes very large, so that the end of the plug-in wire is not affected by external force.
  • the self-locking assembly 300 is difficult to toggle.
  • the self-locking assembly 300 It also includes a limiting member 304, the limiting member 304 includes a fixed plate 304a and a fitting plate 304b, the fixed plate 304a and the fitting plate 304b cooperate, and the fixed plate 304a is fixed to the long shaft 401 A limit block 304b-1 is provided on the fitting disc 304b.
  • the shell 100 is further provided with reinforcing ribs 103, the number of the reinforcing ribs 103 is two, and the movable space formed between the two reinforcing ribs 103 matches the limiting block 304b-1 , So that the movable space of the limit block 304b-1 is limited, so as to achieve the control of the flipping range of the self-locking assembly 300.

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Abstract

一种内窥镜的手持端，包括外壳(100)、插入端定位组件(200)和自锁组件(300)，自锁组件(300)与外壳(100)相铰接；外壳(100)包括插入端口(101)；插入端定位组件(200)包括定位件(201)、第一定位螺母(202)和螺纹钢管(203)，定位件(201)插入至插入端口(101)，螺纹钢管(203)和第一定位螺母(202)通过螺纹配合，第一定位螺母(202)固定置于定位件(201)内；其中，插入端定位组件(200)还包括贯穿孔(204)和固定件(205)，固定件(205)与贯穿孔(204)相配合，用于顶住螺纹钢管(203)。通过螺纹钢管(203)和定位件(201)的配合，固定定位件(201)的轴向位置，通过第二螺母(205a)和顶丝(205b)固定定位件(201)的旋转位置，通过一字型卡槽(206a)和一字型固定块(201b)的配合，固定插入端的位置。

Description

一种内窥镜的手持端 技术领域
本发明涉及内窥镜的技术领域，特别是，涉及一种内窥镜的手持端。
背景技术
内窥镜作为目前的医疗仪器，已经广泛使用。对于医用的内窥镜而言，内窥镜系统由内窥镜和内窥镜用处理器装置构成，该内窥镜具备对体腔内进行摄影的CCD(Charge Coupled Device：电荷耦合元件)影像传感器等摄像部、设置于通用软线的端部的第一连接器，该内窥镜用处理器装置具备以能够拆装的方式装配内窥镜的第一连接器的第二连接器、对从内窥镜输出的图像数据进行图像处理等的控制部、光源。在内窥镜系统中，通过利用电接点将内窥镜的第一连接器与内窥镜用处理器装置的第二连接器连接，由此进行从内窥镜用处理器装置向内窥镜的电力的供给、在内窥镜用处理器装置与内窥镜之间进行图像信号及控制信号的传输。
内窥镜作为目前的医疗仪器，已经广泛使用。而医疗人员在使用时存在几个问题：
(1)怎样调节内窥镜的手持端与插线端的连接关系，怎样才能更好的实现其定位？
(2)医护人员在使用内窥镜的手持端做实验或者手术时，一般看看到人体内部的结构组织的同时，还要注意不能松开手上的内窥镜操控，这样使得操作者的手会很累。
发明内容
本部分的目的在于概述本发明的实施例的一些方面以及简要介绍一些较佳实施例。在本部分以及本申请的说明书摘要和发明名称中可能会做些简化或省略以避免使本部分、说明书摘要和发明名称的目的模糊，而这种简化或省略不能用于限制本发明的范围。
鉴于上述和/或现有技术中存在的问题，提出了本发明。
因此，本发明其中一个目的是提供一种内窥镜的手持端。
为解决上述技术问题，本发明提供如下技术方案：一种内窥镜的手持端，包括外壳、插入端定位组件和自锁组件，所述自锁组件与所述外壳相铰接；所述外壳包括插入端口；所述插入端定位组件包括定位件、第一定位螺母和螺纹钢管，所述定位件插入至所述插入端口，所述螺纹钢管和所述第一定位螺母通过螺纹配合，所述第一定位螺母固定置于所述定位件内；其中，所述插入端定位组件还包括贯穿孔和固定件，所述固定件与所述贯穿孔相配合，用于顶住所述螺纹钢管。
作为本发明所述内窥镜的手持端的一种优选方案，其中：所述定位件上设有限位槽；所述插入端定位组件还包括挡片，所述挡片设于所述限位槽内；其中，所述挡片的直径大于所述插入端口的直径。
作为本发明所述内窥镜的手持端的一种优选方案，其中：所述固定件包括第二螺母和顶丝，所述第二螺母与所述贯穿孔相固定，所述顶丝与所述第二螺母通过螺纹配合。
作为本发明所述内窥镜的手持端的一种优选方案，其中：所述插入端定位组件还包括锁定件，所述锁定件内侧底部设有一字型卡槽，且其内壁上设有内螺纹；所述定位件的尾端设有一字型固定块，所述一字型固定块与所述一字型卡槽相配合；所述外壳还包括保护壳，所述保护壳设于所述插入端口的外侧，且与所述插入端口相固定连接，所述保护壳设有外螺纹，所述外螺纹与所述内螺纹相配合。
作为本发明所述内窥镜的手持端的一种优选方案，其中：所述自锁组件包括拨动支架、弹性支架和拨手，所述拨手套设于所述拨动支架上，且沿着其套设的方向运动，所述拨动支架的轴穿过所述外壳，在另一侧与所述弹性支架相连接；其中，所述拨动支架内侧设有拨杆和摩擦片，所述拨杆一端与所述拨手相铰接，；另一端与所述摩擦片不予连接；其中，所述拨杆的横截面呈L型，其中间弯曲处与所述拨动支架固定，所述拨杆与所述拨动支架通过销栓铰接。
作为本发明所述内窥镜的手持端的一种优选方案，其中：所述自锁组件还包括限位件，所述限位件包括固定盘和嵌合盘，所述固定盘和所述嵌合盘相配合，且所述固定盘与长轴相固定；其中，所述嵌合盘上设有限位块。
作为本发明所述内窥镜的手持端的一种优选方案，其中：所述外壳内部还设有加强筋，所述加强筋的数量为2，且两个加强筋之间形成的活动空间与所述限位块相配合。
作为本发明所述内窥镜的手持端的一种优选方案，其中：所述拨杆的一端设有配合凸块，所述摩擦片的一端设有嵌合凸块，所述配合凸块所在面与所述嵌合凸块的所在面相对，两者相互配合。
作为本发明所述内窥镜的手持端的一种优选方案，其中：所述拨杆与所述拨手之间通过销栓铰接，且所述拨杆的连接端的孔为长椭形孔，所述销栓穿过所述长椭形孔和所述拨动支架相配合。
作为本发明所述内窥镜的手持端的一种优选方案，其中：所述摩擦片一端通过长轴与所述弹性支架的另一端相固定。
本发明的有益效果：
(1)通过螺纹钢管和定位件的配合，固定定位件的轴向位置，通过第二螺母和顶丝固定 定位件的旋转位置，通过一字型卡槽和一字型固定块的配合，固定插入端的位置；
(2)通过移动拨手的移动，使得拨杆随之运动，拨杆的尾端与摩擦片接触，而摩擦片的前后运动，使得弹性支架贴近和远离外壳，从而通过摩擦片和拨杆的尾端的接触实现拨手的自锁，通过弹性支架贴近和远离外壳，实现内窥镜的自锁，且结构简单，生产成本低，但工作效率高。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。其中：
图1为本发明内窥镜的手持端提供的一种实施例中所述内窥镜的手持端的的局部结构示意图；
图2为本发明内窥镜的手持端提供的一种实施例中所述插入端定位组件的整体结构示意图；
图3为本发明内窥镜的手持端提供的一种实施例中所述插入端定位组件的整体结构爆炸示意图；
图4为本发明内窥镜的手持端提供的一种实施例中所述锁定件的整体结构示意图；
图5为本发明内窥镜的手持端提供的一种实施例中所述自锁组件的局部结构示意图；
图6为本发明内窥镜的手持端提供的一种实施例中所述外壳的局部结构放大示意图；
图7为本发明内窥镜的手持端提供的一种实施例中所述自锁组件的整体结构放大示意图；
图8为本发明内窥镜的手持端提供的一种实施例中图7中的局部结构放大示意图；
图9为本发明内窥镜的手持端提供的一种实施例中所述拨杆的整体结构放大示意图；
图10为本发明内窥镜的手持端提供的一种实施例中的整体结构示意图。
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合说明书附图对本发明的具体实施方式做详细的说明。
在下面的描述中阐述了很多具体细节以便于充分理解本发明，但是本发明还可以采用其他不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本发明内涵的情况下做类似推广，因此本发明不受下面公开的具体实施例的限制。
其次，此处所称的“一个实施例”或“实施例”是指可包含于本发明至少一个实现方式中的特定特征、结构或特性。在本说明书中不同地方出现的“在一个实施例中”并非均指同一个实施例，也不是单独的或选择性的与其他实施例互相排斥的实施例。
实施例1
参照图1～图4和图10，本发明提供了一种内窥镜的手持端，所述内窥镜手持端包括外壳100、插入端定位组件200和自锁组件300，插入端定位组件200与所述外壳100相配合，固定插入端的位置，所述自锁组件300与所述外壳100相铰接。
其中，所述外壳100包括插入端口101，当外壳100和插入端定位组件200之间相配合时，将插入端定位组件200插入到插入端口101内后进行配合。
所述插入端定位组件200包括定位件201、第一定位螺母202、螺纹钢管203、贯穿孔204和固定件205。所述定位件201插入至所述插入端口101，所述螺纹钢管203和所述第一定位螺母202通过螺纹配合，所述第一定位螺母202固定置于所述定位件201内，所述固定件205与所述贯穿孔204相配合，用于顶住所述螺纹钢管203。
其中，所述定位件201上设有限位槽201a。所述插入端定位组件200还包括挡片207，所述挡片207设于所述限位槽201a内，所述挡片207的直径大于所述插入端口101的直径。这样使得，将定位件201从插入端口101处放进去后，通过挡片207卡住定位件201在插入端口101处，当再拉定位件201时，定位件201不会从插入端口101处脱离。
因为在上述装配中，通过零件之间的配合，使得定位件201卡扣到插入端口101位置处，只是单纯的限制了定位件201的轴向运动，通过挡片207的限位实现。但是定位件201还是可以产生旋转运动，为了解决这个问题，本实施例中，通过固定件205与所述贯穿孔204相配合，用于顶住所述螺纹钢管203，限制了定位件201旋转方向上的运动可能性。
需要说明的是，螺纹钢管203内通了一根与内窥镜相连接的线，该线一端与外壳100内部固定，另一端穿过螺纹钢管203和插入端口101，为了能固定住线的位置，在本实施例中，所述固定件205包括第二螺母205a和顶丝205b，所述第二螺母205a与所述贯穿孔204相固定，所述顶丝205b与所述第二螺母205a通过螺纹配合。第二螺母205a通过粘接或者焊接方式与贯穿孔204固定连接，通过旋转顶丝205b，使得顶丝205b相对于第二螺母205a产生相对运动，使得顶丝205b的进入端的端部能压紧上述的线。
本实施例中的工作原理为：在本实施例中，将定位件201从插入端口101处放进去后，通过挡片207卡住定位件201在插入端口101处，当再拉定位件201时，定位件201不会从插入端口101处脱离。第二螺母205a通过粘接或者焊接方式与贯穿孔204固定连接，通过旋转顶丝205b，使得顶丝205b相对于第二螺母205a产生相对运动，使得顶丝205b的进入端的端部能压紧上述的线。
实施例2
参照图1～图4和图10，本发明内窥镜的手持端提供的第二个实施例，该实施例不同于第一个实施例的是：在本实施例中，所述插入端定位组件200还包括锁定件206，所述锁定件206内侧底部设有一字型卡槽206a，且其内壁上设有内螺纹。
需要说明的是，在本实施例中，所述定位件201的尾端设有一字型固定块201b，所述一字型固定块201b与所述一字型卡槽206a相配合。
具体的，所述内窥镜的手持端包括外壳100、插入端定位组件200和自锁组件300，插入端定位组件200与所述外壳100相配合，固定插入端的位置，所述自锁组件300与所述外壳100相铰接。
其中，所述外壳100包括插入端口101，当外壳100和插入端定位组件200之间相配合时，将插入端定位组件200插入到插入端口101内后进行配合。
所述插入端定位组件200包括定位件201、第一定位螺母202、螺纹钢管203、贯穿孔204、固定件205和锁定件206。所述定位件201插入至所述插入端口101，且所述定位件201的尾端设有一字型固定块201b，所述螺纹钢管203和所述第一定位螺母202通过螺纹配合，所述第一定位螺母202固定置于所述定位件201内，所述固定件205与所述贯穿孔204相配合，用于顶住所述螺纹钢管203。所述锁定件206内侧底部设有一字型卡槽206a，且其内壁上设有内螺纹，所述一字型固定块201b与所述一字型卡槽206a相配合。
其中，所述定位件201上设有限位槽201a。所述插入端定位组件200还包括挡片207，所述挡片207设于所述限位槽201a内，所述挡片207的直径大于所述插入端口101的直径。这样使得，将定位件201从插入端口101处放进去后，通过挡片207卡住定位件201在插入端口101处，当再拉定位件201时，定位件201不会从插入端口101处脱离。
因为在上述装配中，通过零件之间的配合，使得定位件201卡扣到插入端口101位置处，只是单纯的限制了定位件201的轴向运动，通过挡片207的限位实现。但是定位件201还是可以产生旋转运动，为了解决这个问题，本实施例中，通过固定件205与所述贯穿孔204相配合，用于顶住所述螺纹钢管203，限制了定位件201旋转方向上的运动可能性。
需要说明的是，螺纹钢管203内通了一根与内窥镜相连接的线，该线一端与外壳100内部固定，另一端穿过螺纹钢管203和插入端口101，为了能固定住线的位置，在本实施例中，所述固定件205包括第二螺母205a和顶丝205b，所述第二螺母205a与所述贯穿孔204相固定，所述顶丝205b与所述第二螺母205a通过螺纹配合。第二螺母205a通过粘接或者焊接方式与贯穿孔204固定连接，通过旋转顶丝205b，使得顶丝205b相对于第二螺母205a产生相对运动，使得顶丝205b的进入端的端部能压紧上述的线。
较佳的，所述外壳100还包括保护壳102，所述保护壳102设于所述插入端口101的外侧，且与所述插入端口101相固定连接，所述保护壳102设有外螺纹，所述外螺纹与所述内螺纹相配合。通过保护壳102的外螺纹和锁定件206的内螺纹相配合，实现插线端的位置锁紧。
本实施例中的工作原理为：在本实施例中，将定位件201从插入端口101处放进去后，通过挡片207卡住定位件201在插入端口101处，当再拉定位件201时，定位件201不会从插入端口101处脱离。第二螺母205a通过粘接或者焊接方式与贯穿孔204固定连接，通过旋转顶丝205b，使得顶丝205b相对于第二螺母205a产生相对运动，使得顶丝205b的进入端的端部能压紧上述的线。最后通过一字型卡槽206a和一字型固定块201b相配合，保护壳102的外螺纹和锁定件206的内螺纹相配合，实现锁定件206的定位，同时将插线端的位置锁紧。
实施例3
参照图1～图10，本发明内窥镜的手持端提供的第三个实施例，该实施例不同于第二个实施例的是：所述自锁组件300包括拨动支架301、弹性支架302和拨手303，所述拨手303套设于所述拨动支架301上，且沿着其套设的方向运动，所述拨动支架301的轴穿过所述外壳100，在另一侧与所述弹性支架302相连接。所述拨动支架301内侧设有拨杆301a和摩擦片301b，所述拨杆301a一端与所述拨手303相铰接；另一端与所述摩擦片301b不予连接；所述拨杆301a的横截面呈L型，其中间弯曲处与所述拨动支架301固定，所述拨杆301a与所述拨动支架301通过销栓铰接。
具体的，自锁组件300包括拨动支架301、弹性支架302和拨手303，所述拨手303套设于所述拨动支架301上，且沿着其套设的方向运动，所述拨动支架301的轴穿过所述外壳100，在另一侧与所述弹性支架302相连接。也就是说，拨手303套设于拨动支架301上，但是其能沿着拨动支架301左右运动。
其中，所述拨动支架301内侧设有拨杆301a和摩擦片301b，拨杆301a的横截面呈L型，其中间弯曲处与所述拨动支架301固定，所述拨杆301a与所述拨动支架301通过销栓铰接，所述拨杆301a受力后，能够以所述销栓为中心，做相对旋转，推动所述摩擦片301b运动。
需要说明的，所述拨杆301a与所述拨手303之间通过销栓铰接，且所述拨杆301a的连 接端的孔为长椭形孔，所述拨手303穿过所述长椭形孔和所述拨动支架301相配合。因此，拨手303在拨动支架301上移动时，设有长椭形孔的拨杆301a能够绕着销栓处，做上下、左右(这里说的左右是指与拨动支架301相垂直的方向)移动。
应当注意的是，在本实施例中，摩擦片301b与所述拨杆301a之间没有任何连接关系。
较佳的，所述拨杆301a的一端设有配合凸块301a-1，所述摩擦片301b的一端设有嵌合凸块301b-1，所述配合凸块301a-1的所在面与所述嵌合凸块301b-1的所在面相对，两者相互配合。
优选的，所述配合凸块301a-1和所述嵌合凸块301b-1均为平滑的曲面。例如，配合凸块301a-1和所述嵌合凸块301b-1的横截面为半圆形。
较佳的，所述配合凸块301a-1和所述嵌合凸块301b-1的数量相同。
本发明内窥镜的手持端自锁装置的工作原理为：若初始状态下，拨手303置于拨动支架301的左侧。手动拨动拨手303，使得其自拨动支架301的左侧向拨动支架301的右侧移动，并移动到拨动支架301的右侧。在拨手303自拨动支架301的左侧向拨动支架301的右侧移动的过程中，拨杆301a的长椭形孔的一端与销栓相对运动后，使得拨杆301a在销栓的位置处旋转。若初始位置如图所述，配合凸块301a-1置于所述嵌合凸块301b-1的下方，当拨杆301a在销栓的位置处旋转后，配合凸块301a-1置于所述嵌合凸块301b-1的上方。
需要说明的是，所述摩擦片301b一端通过长轴401与所述弹性支架302的另一端相固定。在整个运动过程中，初始状态下，弹性支架302与外壳100相接触，那么通过自锁组件300拨动插线尾端的活动的阻力变得很大，使得插线尾端在没有外力的作用下实现自锁的状态，自锁组件300很难拨动。当配合凸块301a-1从所述嵌合凸块301b-1的下方运动到嵌合凸块301b-1的上方后，摩擦片301b推动长轴401，使得弹性支架302不与外壳100相接触，那么通过自锁组件300拨动插线尾端的活动的阻力变得很小，使得插线尾端可以通过自锁组件300随意活动，拨动一下动一下。
较佳的，为了保证自锁组件300在拨动时幅度的控制，避免因为拨动幅度太大造成自锁组件300内部的线断开的情况，在本实施例中，所述自锁组件300还包括限位件304，所述限位件304包括固定盘304a和嵌合盘304b，所述固定盘304a和所述嵌合盘304b相配合，且所述固定盘304a与长轴401相固定，所述嵌合盘304b上设有限位块304b-1。
需要说明的是，所述外壳100内部还设有加强筋103，所述加强筋103的数量为2，且两个加强筋103之间形成的活动空间与所述限位块304b-1相配合，使得限位块304b-1的活动空间得到限制，从而达到了自锁组件300拨动的幅度得到控制。
应说明的是，以上实施例仅用以说明本发明的技术方案而非限制，尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行 修改或者等同替换，而不脱离本发明技术方案的精神和范围，其均应涵盖在本发明的权利要求范围当中。

Claims (10)

  1. 一种内窥镜的手持端，其特征在于：包括外壳(100)、插入端定位组件(200)和自锁组件(300)，所述自锁组件(300)与所述外壳(100)相铰接；所述外壳(100)包括插入端口(101)；
    所述插入端定位组件(200)包括定位件(201)、第一定位螺母(202)和螺纹钢管(203)，所述定位件(201)插入至所述插入端口(101)，所述螺纹钢管(203)和所述第一定位螺母(202)通过螺纹配合，所述第一定位螺母(202)固定置于所述定位件(201)内；
    其中，所述插入端定位组件(200)还包括贯穿孔(204)和固定件(205)，所述固定件(205)与所述贯穿孔(204)相配合，用于顶住所述螺纹钢管(203)。
  2. 根据权利要求1所述的内窥镜的手持端，其特征在于：所述定位件(201)上设有限位槽(201a)；
    所述插入端定位组件(200)还包括挡片(207)，所述挡片(207)设于所述限位槽(201a)内；
    其中，所述挡片(207)的直径大于所述插入端口(101)的直径。
  3. 根据权利要求2所述的内窥镜的手持端，其特征在于：所述固定件(205)包括第二螺母(205a)和顶丝(205b)，所述第二螺母(205a)与所述贯穿孔(204)相固定，所述顶丝(205b)与所述第二螺母(205a)通过螺纹配合。
  4. 根据权利要求3所述的内窥镜的手持端，其特征在于：所述插入端定位组件(200)还包括锁定件(206)，所述锁定件(206)内侧底部设有一字型卡槽(206a)，且其内壁上设有内螺纹；
    所述定位件(201)的尾端设有一字型固定块(201b)，所述一字型固定块(201b)与所述一字型卡槽(206a)相配合；
    所述外壳(100)还包括保护壳(102)，所述保护壳(102)设于所述插入端口(101)的外侧，且与所述插入端口(101)相固定连接，所述保护壳(102)设有外螺纹，所述外螺纹与所述内螺纹相配合。
  5. 根据权利要求1～4任一所述的内窥镜的手持端，其特征在于：所述自锁组件(300)包括拨动支架(301)、弹性支架(302)和拨手(303)，所述拨手(303)套设于所述拨动支架(301)上，且沿着所述拨动支架(301)的外侧运动，所述拨动支架(301)的轴穿过所述外壳(100)，在另一侧与所述弹性支架(302)相连接；
    其中，所述拨动支架(301)内侧设有拨杆(301a)和摩擦片(301b)，所述拨杆(301a)一端与所述拨手(303)相铰接；
    其中，所述拨杆(301a)的横截面呈L型，其中间弯曲处与所述拨动支架(301)固定，所述拨杆(301a)与所述拨动支架(301)通过销栓铰接。
  6. 根据权利要求5所述的内窥镜的手持端，其特征在于：所述自锁组件(300)还包括限位件(304)，所述限位件(304)包括固定盘(304a)和嵌合盘(304b)，所述固定盘(304a)和所述嵌合盘(304b)相配合，且所述固定盘(304a)与长轴(401)相固定；
    其中，所述嵌合盘(304b)上设有限位块(304b-1)。
  7. 根据权利要求6所述的内窥镜的手持端，其特征在于：所述外壳(100)内部还设有加强筋(103)，所述加强筋(103)的数量为2，且两个加强筋(103)之间形成的活动空间与所述限位块(304b-1)相配合。
  8. 根据权利要求5或6所述的内窥镜的手持端，其特征在于：所述拨杆(301a)的一端设有配合凸块(301a-1)，所述摩擦片(301b)的一端设有嵌合凸块(301b-1)，所述配合凸块(301a-1)所在面与所述嵌合凸块(301b-1)的所在面相对，两者相互配合。
  9. 根据权利要求8所述的内窥镜的手持端，其特征在于：所述拨杆(301a)与所述拨手(303)之间通过销栓铰接，且所述拨杆(301a)的连接端的孔为长椭形孔，所述销栓穿过所述长椭形孔和所述拨动支架(301)相配合。
  10. 根据权利要求9所述的内窥镜的手持端，其特征在于：所述摩擦片(301b)一端通过长轴(401)与所述弹性支架(302)的另一端相固定。
PCT/CN2020/089654 2019-08-07 2020-05-11 一种内窥镜的手持端 WO2021022858A1 (zh)

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US17/633,488 US11980337B2 (en) 2019-08-07 2020-05-11 Handle of endoscope with self-locking assembly and insertion end positioning assembly
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