WO2023168816A1 - Endoscope, caméra et système de caméra d'endoscope - Google Patents

Endoscope, caméra et système de caméra d'endoscope Download PDF

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Publication number
WO2023168816A1
WO2023168816A1 PCT/CN2022/090441 CN2022090441W WO2023168816A1 WO 2023168816 A1 WO2023168816 A1 WO 2023168816A1 CN 2022090441 W CN2022090441 W CN 2022090441W WO 2023168816 A1 WO2023168816 A1 WO 2023168816A1
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WO
WIPO (PCT)
Prior art keywords
window
endoscope
close
eyecup
handle
Prior art date
Application number
PCT/CN2022/090441
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English (en)
Chinese (zh)
Inventor
石强勇
胡莲
左鹏飞
Original Assignee
深圳迈瑞生物医疗电子股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 深圳迈瑞生物医疗电子股份有限公司 filed Critical 深圳迈瑞生物医疗电子股份有限公司
Priority to CN202280072054.1A priority Critical patent/CN118139573A/zh
Publication of WO2023168816A1 publication Critical patent/WO2023168816A1/fr

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Classifications

    • 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

Definitions

  • This application relates to in vivo diagnostic instruments, specifically an endoscope, a camera and an endoscope camera system.
  • An endoscope is a medical device used to observe the lesions of organs and tissues in the patient's body. It is usually used in conjunction with a camera, image processor, display and light source to form an endoscopic camera system to complete the observation of the patient's internal tissues and the surgical process.
  • the camera head includes a locking component.
  • the locking component is engaged and locked with the proximal end of the endoscope.
  • An end of the endoscope facing the camera is provided with a first window.
  • An end of the camera facing the endoscope is provided with a second window.
  • An optical path space for the light beam to pass is formed between the first window piece and the second window piece.
  • the main purpose of the present invention is to provide an endoscope, a camera and an endoscope camera system that can prevent water vapor from entering the optical path space.
  • an embodiment provides an endoscope camera system, including:
  • An endoscope having a distal end for inserting into the patient's observation site and a proximal end for connecting to a camera, the proximal end of the endoscope being provided with a first window;
  • a camera the camera includes a handle and an optical module, the handle has an accommodating cavity, one end of the handle has an opening connected to the accommodating cavity, and the opening of the handle is provided with a second window;
  • An optical module is arranged in the accommodation cavity and used to obtain the image light transmitted by the endoscope;
  • a locking component the locking component is disposed on the opening side of the handle, the locking component is used to engage and lock with the proximal end of the endoscope, so that the first window and the second
  • the windows are arranged oppositely and form an optical path space for the light beam to pass between the first window and the second window;
  • the side of the locking component close to the handle has a through hole communicating with the outside for draining the liquid in the locking component.
  • the sealing member surrounds the optical path space along the radial direction of the endoscope, and one end of the sealing member close to the first window is located on the first window or the first window. on the components around the window, and one end of the sealing member close to the second window is located on the second window or on the components around the second window.
  • an eyecup structure is provided at the proximal end of the endoscope.
  • the eyecup structure is arranged along the circumference of the first window.
  • the eyecup structure extends toward the locking assembly and is connected with the locking assembly.
  • the inner wall of the locking component is engaged; one end of the sealing member close to the first window is located on the first window or the eye mask structure.
  • the locking assembly includes a fitting part and a connecting part
  • the fitting part is used to surround the eyecup structure along the radial direction of the endoscope
  • the fitting part and the connecting part are used to connect with the The eye mask structure is engaged
  • the connecting part is used to connect the side of the fitting part close to the handle to the handle
  • the end of the sealing member close to the second window is located on the second window or the second window. on the connecting part.
  • one end of the sealing member close to the first window is fixedly connected to the first window or components surrounding the first window or has an integrated structure.
  • an eyecup structure is provided at the proximal end of the endoscope.
  • the eyecup structure is arranged along the circumference of the first window.
  • the eyecup structure extends toward the locking assembly and is connected with the locking assembly.
  • the inner wall of the locking component is engaged; one end of the sealing member close to the first window is fixedly connected to the eye mask structure or is an integrated structure.
  • one end of the sealing member close to the second window is fixedly connected to the second window or components around the second window or has an integrated structure.
  • an eyecup structure is provided at the proximal end of the endoscope, the eyecup structure is arranged along the circumference of the first window, and the eyecup structure extends toward the locking component; the lock
  • the tight assembly includes a fitting part and a connecting part.
  • the fitting part surrounds the eyecup structure along the radial direction of the endoscope and engages with the eyecup structure.
  • the connecting part places the fitting part close to the handle.
  • the side of the sealing member is connected to the handle; one end of the sealing member close to the second window is fixedly connected to the connecting portion or has an integrated structure.
  • one end of the sealing member close to the first window is in contact with or detachably connected to the first window or components surrounding the first window; the sealing member is close to the second window.
  • One end of the sheet is in contact fit or detachably connected with the second window or components around the second window.
  • an eyecup structure is provided at the proximal end of the endoscope.
  • the eyecup structure is arranged along the circumference of the first window.
  • the eyecup structure extends toward the locking assembly and is connected with the locking assembly.
  • the inner wall of the locking component is engaged; one end of the sealing member close to the first window is in contact with or detachably connected to the eye mask structure.
  • the locking component includes a fitting part and a connecting part.
  • the fitting part surrounds the eyecup structure along the radial direction of the endoscope and engages with the eyecup structure.
  • the connecting part The side of the fitting part close to the handle is connected to the handle; the end of the sealing member close to the second window is in contact fit or detachably connected to the second window or the connecting part.
  • the sealing member includes an annular sealing portion and a mounting portion provided at one end of the sealing portion.
  • the mounting portion is used to connect with the first window, components surrounding the first window, and the second window. Or the component connections around the second window.
  • the mounting portion is provided along the circumferential direction of the sealing portion and extends outward from the side wall of the sealing portion.
  • the locking component includes a fitting part and a connecting part.
  • the fitting part surrounds the eyecup structure along the radial direction of the endoscope, and the inner wall of the fitting part is used to engage with the eyecup structure.
  • the connecting part connects the side of the fitting part close to the handle with the handle, and the side of the locking component close to the handle has a through hole communicating with the outside for draining the liquid in the locking component, so The through hole of the locking component is located in the connecting part, and the mounting part is detachably engaged with the through hole.
  • the mounting part has a recessed structure that is recessed toward the sealing part.
  • the mounting part includes a sheet metal part and a threaded part, the sheet metal part is connected to the sealing part, and the threaded part connects the sheet metal part to the locking component.
  • one end of the sealing member facing the first window includes a first elastic material layer, the first elastic material layer is used to make close contact with the first window or components around the first window, and Elastic deformation occurs when the endoscope is installed on the camera;
  • one end of the seal facing the second window includes a second elastic material layer, and the second elastic material layer is used to communicate with the second window. The parts around the piece or the second window piece are in close contact and undergo elastic deformation when the endoscope is installed on the camera head.
  • the entire sealing member is made of elastic material.
  • an embodiment provides a camera, including:
  • a handle the handle has an accommodating cavity, one end of the handle has an opening connected to the accommodating cavity, and the opening of the handle is provided with a second window;
  • the optical module is arranged in the accommodation cavity and used to obtain the image light transmitted by the endoscope;
  • a locking component the locking component is disposed at the open end of the handle, the locking component is used to engage and lock with the proximal end of the endoscope, so that the second window and the The first windows at the proximal end of the endoscope are arranged oppositely, and an optical path space for the light beam to pass is formed between the first window and the second window;
  • the side of the locking component close to the handle has a through hole communicating with the outside for draining the liquid in the locking component.
  • a side of the sealing member close to the second window is fixedly connected to the second window or components surrounding the second window or has an integrated structure.
  • one end of the sealing member close to the second window is in contact fit or detachably connected to the second window or the connecting portion.
  • the sealing member includes an annular sealing portion and a mounting portion provided at one end of the sealing portion.
  • the mounting portion is used to connect with the second window or components around the second window.
  • the locking component includes a fitting portion and a connecting portion.
  • the fitting portion surrounds the second window along the radial direction of the endoscope.
  • the inner wall of the fitting portion is used to connect with the eyecup structure.
  • the connecting part connects one end of the fitting part close to the handle to the handle, and the side of the locking component close to the handle has a through hole communicating with the outside for draining the liquid in the locking component;
  • the through hole of the locking component is located in the connecting part, and the mounting part is detachably engaged with the through hole.
  • the mounting part has a recessed structure that is recessed toward the sealing part.
  • the mounting part includes a sheet metal part and a threaded part, the sheet metal part is connected to the sealing part, and the threaded part connects the sheet metal part to the locking component.
  • one end of the sealing member facing the second window includes a second elastic material layer, and the second elastic material layer is used to closely contact the second window or components around the second window and occur Elastic deformation.
  • the entire sealing member is made of elastic material.
  • an embodiment provides an endoscope, including an endoscope body and a seal.
  • the endoscope body has a distal end for inserting into a patient's observation site and a proximal end for connecting to a camera.
  • the proximal end of the endoscope body is provided with a first window
  • the proximal end of the endoscope body is used to engage and lock with the locking component of the camera, so that the first window and the
  • the second windows of the locking assembly are arranged opposite each other and form an optical path space for light beams to pass between the first window and the second window; the sealing member is provided between the first window and the second window. Between the two windows, it is used to seal the light path space.
  • one end of the sealing member close to the first window is fixedly connected to the first window or components surrounding the first window or has an integrated structure.
  • one end of the sealing member close to the first window is in contact fit or detachably connected to the first window or components surrounding the first window.
  • the proximal end of the endoscope is provided with an eyecup structure, the eyecup structure is arranged along the circumference of the first window, the eyecup structure extends toward the locking assembly, and It is engaged with the inner wall of the locking component; one end of the sealing member close to the first window is fixedly connected to the eyecup or has an integrated structure.
  • the proximal end of the endoscope is provided with an eyecup structure, the eyecup structure is arranged along the circumference of the first window, the eyecup structure extends toward the locking assembly, and It is engaged with the inner wall of the locking component; one end of the sealing member close to the first window is in contact with or detachably connected to the eye mask structure.
  • one end of the sealing member facing the first window includes a first elastic material layer, and the first elastic material layer is used to closely contact the first window or components around the first window and occur Elastic deformation.
  • the entire sealing member is made of elastic material.
  • a sealing member is added between the first window and the second window to seal the optical path space.
  • water vapor enters the locking component, it will be blocked by the seal and cannot enter the optical path space, thereby avoiding the problem of fogging of the first window and the second window.
  • Figure 1 is a schematic structural diagram of an endoscope camera system in an embodiment of the present application
  • Figure 2 is a schematic structural diagram of the assembly of the camera, locking assembly and endoscope in one embodiment of the present application;
  • Figure 3 is a schematic structural diagram of the assembly of the camera, locking assembly and seal in one embodiment of the present application;
  • Figure 4 is a cross-sectional view of the assembly of the camera, locking assembly, endoscope and seal in one embodiment of the present application;
  • Figure 5 is a schematic structural diagram of a seal in an embodiment of the present application.
  • Figure 6 is a schematic structural diagram of the seal and the endoscope connected as one body in an embodiment of the present application.
  • Figure 7 is a schematic structural diagram of the front side of the seal in another embodiment of the present application.
  • Figure 8 is a schematic structural diagram of the back side of the seal in another embodiment of the present application.
  • connection and “connection” mentioned in this application include direct and indirect connections (connections) unless otherwise specified.
  • an endoscope camera system 1000 is provided in one embodiment.
  • the endoscope camera system 1000 includes a light source 10, a light guide 20, an endoscope 30, a locking assembly 40, a camera 50, a communication Cable 81, camera host 60, display 70 and video connection cable 82.
  • the camera host 60 is connected to the camera 50 through a communication cable 81, and the image signal obtained by the camera 50 is transmitted to the camera host 60 through the communication cable 81 for processing.
  • communication cable 81 may be an optical communication cable, such as an optical fiber.
  • the camera 50 converts the image signal (electrical signal) into an optical signal, and transmits it to the camera host 60 through the communication cable 81.
  • the camera host 60 then converts the optical signal into an electrical signal.
  • the camera host 60 is connected to the display 70 through a video connection cable 82 for sending video signals to the display 70 for display.
  • FIG. 1 is only an example of the endoscope camera system 1000 and does not constitute a limitation on the endoscope camera system 1000.
  • the endoscope camera system 1000 may include more or more components than those shown in FIG. 1 or Fewer components, or a combination of certain components, or different components, for example, the endoscopic camera system 1000 may also include a dilator, a smoke control device, an input/output device, a network access device, and the like.
  • the light source 10 is used to provide an illumination light source to the site 100 to be observed.
  • the illumination light source includes a visible light illumination light source and a laser illumination light source corresponding to the fluorescent reagent (eg, near-infrared light).
  • the light source 10 includes, but is not limited to, a laser light source, an LED light source or a laser diode.
  • this embodiment also provides an endoscope camera system 1000.
  • the endoscope camera system 1000 includes an endoscope 30, a camera 50, a locking assembly 40 and a seal 90.
  • the endoscope 30 has a distal end for inserting into the patient's observation site and a proximal end for connecting to a camera.
  • the proximal end of the endoscope 30 is provided with a first window 31 .
  • the camera 50 includes a handle 51 and an optical module 52.
  • the handle 51 has an accommodating cavity. One end of the handle 51 has an opening connected to the accommodating cavity. The opening of the handle 51 is provided with a second window 53.
  • the optical module 52 is arranged in the container. Place inside the cavity.
  • the locking component 40 is disposed on the opening side of the handle 51.
  • the locking component 40 is used to engage and lock with the proximal end of the endoscope 30, so that the first window 31 and the second window 53 are arranged oppositely, and at the An optical path space for light beams to pass is formed between one window 31 and the second window 53 .
  • the side of the locking assembly 40 close to the handle 51 has a through hole 43 communicating with the outside for draining the liquid in the locking assembly 40 .
  • the sealing member 90 is disposed between the first window 31 and the second window 53 to seal the optical path space.
  • the end close to the operator is the proximal end of the endoscope 30
  • the end far away from the operator is the distal end of the endoscope 30
  • the axial direction of the endoscope 30 is the direction connecting the proximal end and the distal end of the endoscope 30
  • the radial direction of the endoscope 30 is the direction surrounding the axial direction of the endoscope 30 .
  • the sealing member 90 surrounds the optical path space along the radial direction of the endoscope 30, and one end of the sealing member 90 close to the first window 31 is located on the first window 31 or the first window 31. On the components around the window 31 , and the end of the sealing member 90 close to the second window 53 is located on the second window 53 or on the components around the second window 53 .
  • the components around the first window 31 may refer to the eye mask structure 32
  • the components around the second window 53 may refer to the connecting portion 42 of the locking assembly 40
  • the components around the first window 31 and the components around the second window 53 can also be other structures.
  • the first window 31 The surrounding components may be the first fixing structure used to fix the first window 31 on the endoscope 30
  • the components surrounding the second window 53 may also be used to fix the second window 53 to the handle 51 Second fixing structure on the opening.
  • the proximal end of the endoscope 30 is provided with an eyecup structure 32.
  • the eyecup structure 32 is arranged along the circumferential direction of the first window 31, and the eyecup structure 32 faces the locking assembly 40. Extend and engage with the inner wall of the locking component 40 .
  • One end of the sealing member 90 close to the first window 31 is located on the first window 31 or the eyecup structure 32 .
  • the locking component 40 includes a fitting part 41 and a connecting part 42.
  • the fitting part 41 surrounds the eyecup structure 32 along the radial direction of the endoscope 30 and engages with the eyecup structure 32.
  • the connecting part 42 connects the fitting part 42 to the eyecup structure 32.
  • the side of 41 close to the handle 51 is connected to the handle 51 , and the end of the seal 90 close to the second window 53 is located on the second window 53 or the connecting part 42 .
  • seal 90 to cooperate with the endoscope 30 and the camera 50, which are explained one by one below with examples.
  • one end of the sealing member 90 close to the first window 31 is fixedly connected to the first window 31 or components around the first window 31 or has an integrated structure.
  • the sealing member 90 and the endoscope 30 become an integral body, and the end of the sealing member 90 close to the second window 53 can be in contact with the second window 53 or components around the second window 53 or be detachably connected. .
  • the end of the sealing member 90 close to the first window 31 can be fixedly connected to the eyecup structure 32 or an integrated structure, or can also be fixedly connected to the first window 31 Or an integrated structure.
  • one end of the sealing member 90 close to the second window 53 is fixedly connected to the second window 53 or components around the second window 53 or has an integrated structure.
  • the sealing member 90 and the camera 50 become an integral body, and one end of the sealing member 90 close to the first window 31 is in contact with or detachably connected to the first window 31 or components around the first window 31 .
  • the side of the sealing member 90 close to the second window 53 can be fixedly connected to the connecting portion 42 of the locking assembly 40 or be an integral structure, or it can be It is fixedly connected with the second window 53 or has an integrated structure.
  • the sealing member 90 is used as an independent, detachable accessory.
  • the end of the sealing member 90 close to the first window 31 is connected with the first window 31 or the first window.
  • the components around 31 are in contact fit or detachably connected, and the end of the seal 90 close to the second window 53 can be in contact fit or detachably connected with the second window 53 or the components around the second window 53 .
  • the ways in which the seal 90 is fixedly connected to the endoscope 30 or the camera 50 include but are not limited to glue bonding, threaded connection, metal coating, etc.
  • the sealing member 90 and the endoscope 30 or the camera 50 may also be directly formed into an integrated structure through injection molding or other methods.
  • the ways in which the seal 90 is detachably connected to the endoscope 30 or the camera 50 include, but are not limited to, detachable engagement, magnetic fit, lock connection, etc.
  • the seal 90 includes an annular sealing portion 91 and a mounting portion 92 disposed on one side of the sealing portion 91 .
  • the mounting portion 92 is disposed along the circumferential direction of the sealing portion 91 and extends outward from the side wall of the sealing portion 91 .
  • the locking assembly 40 includes a fitting portion 41 and a connecting portion 42.
  • the fitting portion 41 is used to surround the eyecup structure 32 along the radial direction of the endoscope 30.
  • the fitting portion 41 and the connecting portion 42 are used to engage and connect with the eyecup structure 32.
  • the portion 42 is used to connect the side of the fitting portion 41 close to the handle 51 with the handle 51 .
  • the through hole 43 of the locking component 40 is located in the connecting portion 42 .
  • the mounting portion 92 is detachably engaged with the through hole 43 .
  • the detachable connection between the mounting part 92 and the camera 50 is achieved through the snap connection between the mounting part 92 and the through hole 43 .
  • the mounting portion 92 has a recessed structure 93 that is recessed toward the sealing portion 91 so that the mounting portion 92 does not completely close the through hole 43 and maintains the drainage function of the through hole 43 .
  • the mounting portion 92 may also be used to detachably connect with the first window 31 , components around the first window 31 or the second window 53 .
  • the above description of the shape of the endoscope 30 is only to provide a detailed description of a feasible solution in an embodiment, and does not mean that the shape of the sealing member 90 must be like this.
  • the shape of the sealing member 90 is not limited. For example, it may be cylindrical, trumpet-shaped, or any other shape, as long as it does not affect the sealing of the optical path space.
  • the mounting part 92 includes a sheet metal part 94 and a threaded part 95.
  • the sheet metal part 94 is connected to the sealing part 91, and the threaded part 95 connects the sheet metal part 94 to the locking assembly. 40 connections.
  • the sheet metal part 94 can be connected to the sealing part 91 through an encapsulation structure, an adhesive structure or other suitable connection structures.
  • the threaded member 95 may be any suitable type of screw.
  • seal 90 is made of elastic material. This causes the sealing member 90 to deform when the first window 31 or the components surrounding the first window 31 and the second window 53 or the components surrounding the second window 53 cooperate to achieve a certain degree of sealing.
  • seal 90 may also be of rigid construction.
  • the sealing member 90 is entirely made of elastic material.
  • the sealing member 90 is partially made of elastic material.
  • one end of the sealing member 90 facing the first window 31 includes a first elastic material layer.
  • the first elastic material layer is used to closely contact the first window 31 or components around the first window 31 and is installed on the endoscope. Elastic deformation occurs when on the camera.
  • one end of the sealing member 90 facing the second window 53 includes a second elastic material layer.
  • the second elastic material layer is used to closely contact the second window 53 or components around the second window 53 and is installed on the endoscope. Elastic deformation occurs when on the camera.
  • the elastic material includes but is not limited to silicone, rubber or plastic.
  • the seal 90 may not be regarded as an accessory of the endoscope camera system 1000 , but as a part of the camera 50 , and the locking assembly 40 may also be regarded as an accessory of the camera 50 . part. Therefore, this embodiment also provides a camera 50 , which includes the above-mentioned seal 90 and locking assembly 40 .
  • the sealing member 90 may not be regarded as an accessory of the endoscope camera system 1000 , but as a part of the endoscope 30 . Therefore, this embodiment also provides an endoscope 30, which includes the above-mentioned sealing member 90.

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Abstract

La présente divulgation concerne un endoscope (30), une caméra (50) et un système de caméra d'endoscope (1000). Le système de caméra d'endoscope (1000) comprend un endoscope (30), une caméra (50), un ensemble de verrouillage (40) et un élément d'étanchéité (90). Une extrémité proximale de l'endoscope (30) est pourvue d'une première plaque de fenêtre (31). La caméra (50) comprend une poignée (51) et un module optique (52), la poignée (51) étant pourvue d'une cavité de réception ; une extrémité de la poignée (51) est pourvue d'une ouverture, qui est en communication avec la cavité de réception ; et le module optique (52) est disposé dans la cavité de réception. L'ensemble de verrouillage (40) est disposé sur un côté d'ouverture de la poignée (51), et l'ensemble de verrouillage (40) et l'extrémité proximale de l'endoscope (30) sont encliquetés et verrouillés. L'ouverture de la poignée (51) est pourvue d'une seconde plaque de fenêtre (53), la première plaque de fenêtre (31) et la seconde plaque de fenêtre (53) étant disposées face l'une à l'autre, de telle sorte qu'un espace de trajet optique à travers lequel passe un faisceau lumineux est formé entre la première plaque de fenêtre (31) et la seconde plaque de fenêtre (53). L'élément d'étanchéité (90) est disposé entre la première plaque de fenêtre (31) et la seconde plaque de fenêtre (53) et est utilisé pour rendre étanche l'espace de trajet optique. Étant donné que l'élément d'étanchéité (90) est ajouté entre la première plaque de fenêtre (31) et la seconde plaque de fenêtre (53), lorsque l'humidité entre dans l'ensemble de verrouillage (40), l'humidité est bloquée par l'élément d'étanchéité (90) et ne peut ainsi pas entrer dans l'espace de trajet optique.
PCT/CN2022/090441 2022-03-07 2022-04-29 Endoscope, caméra et système de caméra d'endoscope WO2023168816A1 (fr)

Priority Applications (1)

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CN202280072054.1A CN118139573A (zh) 2022-03-07 2022-04-29 内窥镜、摄像头和内窥镜摄像系统

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CN202210217306.7 2022-03-07
CN202210217306 2022-03-07

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US4807594A (en) * 1988-01-15 1989-02-28 Medical Concepts, Incorporated Adapter assembly for endoscopic video camera
JP2000070214A (ja) * 1998-08-28 2000-03-07 Olympus Optical Co Ltd 内視鏡装置
CN108209848A (zh) * 2017-12-28 2018-06-29 深圳迈瑞生物医疗电子股份有限公司 内窥镜摄像头耦合装置
CN208625649U (zh) * 2018-03-28 2019-03-22 重庆西山科技股份有限公司 内窥镜摄像头与硬镜的锁定机构
CN109998459A (zh) * 2017-12-04 2019-07-12 普美康股份有限公司 用于内窥镜相机的联接器
US20190268510A1 (en) * 2018-02-28 2019-08-29 Sony Olympus Medical Solutions Inc. Camera head and endoscope
CN111449609A (zh) * 2020-04-10 2020-07-28 青岛奥美克医疗科技有限公司 用于内窥镜系统的适配器及内窥镜系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4807594A (en) * 1988-01-15 1989-02-28 Medical Concepts, Incorporated Adapter assembly for endoscopic video camera
JP2000070214A (ja) * 1998-08-28 2000-03-07 Olympus Optical Co Ltd 内視鏡装置
CN109998459A (zh) * 2017-12-04 2019-07-12 普美康股份有限公司 用于内窥镜相机的联接器
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