WO2021092780A1 - 一种内窥镜插入部前端结构 - Google Patents

一种内窥镜插入部前端结构 Download PDF

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Publication number
WO2021092780A1
WO2021092780A1 PCT/CN2019/117814 CN2019117814W WO2021092780A1 WO 2021092780 A1 WO2021092780 A1 WO 2021092780A1 CN 2019117814 W CN2019117814 W CN 2019117814W WO 2021092780 A1 WO2021092780 A1 WO 2021092780A1
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WIPO (PCT)
Prior art keywords
probe housing
probe
camera module
endoscope
end surface
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PCT/CN2019/117814
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English (en)
French (fr)
Inventor
张一�
Original Assignee
苏州新光维医疗科技有限公司
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Application filed by 苏州新光维医疗科技有限公司 filed Critical 苏州新光维医疗科技有限公司
Priority to US17/776,257 priority Critical patent/US20220395167A1/en
Priority to DE112019007812.7T priority patent/DE112019007812T5/de
Priority to GB2207242.5A priority patent/GB2606862A/en
Priority to PCT/CN2019/117814 priority patent/WO2021092780A1/zh
Priority to JP2022528005A priority patent/JP2023502051A/ja
Publication of WO2021092780A1 publication Critical patent/WO2021092780A1/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
    • 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
    • A61B1/04—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 combined with photographic or television appliances
    • A61B1/05—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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
    • 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
    • A61B1/00071—Insertion part of the endoscope body
    • A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00094—Suction openings
    • 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
    • A61B1/00071—Insertion part of the endoscope body
    • A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00096—Optical elements
    • 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
    • A61B1/00071—Insertion part of the endoscope body
    • A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
    • A61B1/00101—Insertion part of the endoscope body characterised by distal tip features the distal tip features being detachable
    • 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
    • A61B1/04—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 combined with photographic or television appliances
    • A61B1/05—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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
    • A61B1/051—Details of CCD assembly
    • 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
    • A61B1/04—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 combined with photographic or television appliances
    • A61B1/05—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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
    • A61B1/053—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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion being detachable
    • 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
    • A61B1/06—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 with illuminating arrangements
    • A61B1/0661—Endoscope light sources
    • A61B1/0676—Endoscope light sources at distal tip of an endoscope

Definitions

  • the present invention relates to the technical field of endoscopes, in particular to a front end structure of an insertion portion of an endoscope.
  • medical endoscope As a medical device, medical endoscope is widely used in clinical observation and diagnosis by inserting into various cavities inside the human body, and is an important means of disease inspection.
  • an electronic cystoscope including: a soft tube, a hard tube sleeved in the soft tube, and a display, wherein the hard tube is provided with an instrument channel, an endoscopic channel, and In the illumination channel, a lens or image sensor is arranged in the inner diameter channel, and a light source is arranged in the illumination channel.
  • the above electronic cystoscope does not have a structure for positioning and protecting the end parts of the illumination channel.
  • the structural parts cause pollution and damage, which will ultimately affect its shooting effect and performance.
  • the outer side of the end plate of the above-mentioned bronchoscope probe is a flat surface.
  • the flat surface will be greatly affected. Resistance makes it difficult for the catheter to be inserted into the human body. This makes the probe easy to cause damage to the tissues of the human body. At the same time, when the probe enters the human body, the probe is easily damaged due to excessive resistance.
  • the purpose of the present invention is to overcome the fact that the medical endoscope in the prior art is easy to pollute and destroy the endoscope due to the secretions inside the human body entering the probe of the endoscope during use, which affects its shooting effect and performance. , And the outer side of the end plate of the probe is a straight surface, which leads to the problem that the catheter is not easy to insert into the human body.
  • a front end structure of the insertion part of the endoscope is designed.
  • the technical solution of the present invention is to achieve the above-mentioned object.
  • the front end structure of the insertion part of the endoscope includes a probe housing and a camera module, which are arranged on the end surface of the probe housing for observing images of surrounding tissues; On the end surface of the probe housing and located on one side of the camera module for fixing the operating mechanism; the camera module includes a lens unit and illumination units arranged on both sides of the lens unit, one of the end surfaces of the probe housing An arc-shaped transition surface is provided on the side to guide the probe body to be inserted into the target tissue.
  • the endoscope probe is provided with a camera fixing hole for installing the camera module, the lens unit is arranged in the middle of the camera fixing hole, and the lighting unit is arranged The positions on both sides of the camera fixing hole and the arrangement of the lens unit and the lighting unit are finished in a font structure.
  • the specific inclination angle of the arc-shaped transition surface is that the outer surface of the front end of the probe housing further includes a side ring surface and an end surface, and the included angle between the flat portion of the arc-shaped transition surface and the end surface is 50°-70°; and The angle between the plane portion of the arc transition surface and the end surface is preferably 60°.
  • connection and fixing mode of the probe housing and the external housing, the end surface of the probe housing away from the camera module is provided with a plurality of claws for buckling with the endoscope probe housing; the number of the claws is There are four, and the two jaws close to the position of the operating channel are the first jaws, and the two jaws close to the position of the camera module are the second jaws.
  • a mounting groove corresponding to the camera module is provided on the rear surface of the probe housing, the lighting unit is arranged in the mounting groove, and the mounting groove is at least There are two and are located on both sides of the lens unit.
  • the position on the probe housing and corresponding to the mounting groove can be made of a transparent material.
  • the probe housing and the camera module are connected and sealed by setting a sealant, and the probe housing and the operation channel are sealed by setting a sealant.
  • the probe provided by the present invention includes a probe housing, the end face of the first end of the probe housing has a cut corner, and the end face where the cut corner is located forms an arc-shaped transition surface, and the arc-shaped transition surface is used to guide the insertion of the probe housing In the target tissue; when the probe enters the human body, the inclined arc transition surface can reduce the resistance from the human tissue, so that the probe can enter the human body more easily, reducing the damage caused by the probe to the human tissue; at the same time, it can Avoid the situation that the probe is damaged due to excessive resistance.
  • an operating hole is opened on the probe housing, and a surgical instrument mechanism is provided in the operating hole for surgical operations, or physiological saline is used for tissue washing, cleaning the imaging field, etc., adding this equipment
  • a surgical instrument mechanism is provided in the operating hole for surgical operations, or physiological saline is used for tissue washing, cleaning the imaging field, etc., adding this equipment The utility.
  • the structure of the front end of the insertion part of the endoscope provided by the present invention is to provide a probe housing while sealingly covering the lighting unit with a sealant.
  • the probe housing has the function of positioning and protecting the end of the lighting unit. In the process of using the endoscope, it can effectively prevent the secretions inside the human body from polluting the lighting unit, avoid the damage of the lighting unit and the decrease of the detection effect caused by this, so as to obtain high-quality shooting effects and practical performance.
  • Figure 1 is a schematic diagram of the overall structure of the present invention.
  • FIG. 2 is a schematic diagram of the structure of the present invention with the camera module removed;
  • Figure 3 is a cross-sectional view of the structure of the present invention.
  • Figure 4 is a rear view of the structure of the present invention.
  • Probe housing 2. Camera module; 201, Lens unit; 202, Illumination unit; 3. Camera fixing hole; 4. Curved transition surface; 5. Operation channel; 6. First jaw; 7. , The second jaw.
  • FIG. 1-4 it is a schematic diagram of the overall structure of the present invention. It mainly includes a probe housing 1, a camera module 2 and an operating channel 5.
  • the camera module 2 is an endoscope.
  • the core mechanism of the mirror is set on the end surface of the probe housing 1 for observing the image of the surrounding tissue, and is used to display the image of the surrounding tissue by transmitting the image to an external display device;
  • the operating channel 5 is for further expansion It is set on the end surface of the probe housing 1 and located on the side of the camera module 2 for fixing the operating mechanism;
  • the operating mechanism here includes micro-surgery that may be involved in medical observation
  • the operating equipment, or the medical solution for the treatment of the tissue, or the physiological saline, is used to flush the mucus in the tissue to ensure that the image taken by the camera lens is clear.
  • the camera module 2 includes a lens unit 201 and an illumination unit 202 provided on both sides of the lens unit 201.
  • the lens unit 201 includes a lens and a CMOS module connected to the lens. Based on the actual situation, the CMOS module here is only an optional implementation, and other image transmission modules such as CCD modules can also be selected.
  • the lighting unit 202 is mainly an LED lamp. Similarly, the lighting unit 202 is also Other cold light sources can be used.
  • the endoscopic probe is provided with a camera fixing hole 3 for installing the camera module 2.
  • this technical solution provides an arrangement of the lens unit 201 and the illumination unit 202 in the imaging fixing hole 3.
  • the rear surface of the probe housing 1 is provided with
  • the lighting unit 202 is arranged in the mounting groove, and there are two mounting grooves located on both sides of the lens unit 201; the lens unit 201 is arranged in the middle of the camera fixing hole 3, and the lighting unit 202 is arranged on both sides of the camera fixing hole 3, and the arrangement of the lens unit 201 and the lighting unit 202 is finished in a font structure.
  • the design of this structure can fully illuminate the light of the lens without polarization problems, and can ensure The quality of the camera image.
  • the diameter of the outer tube in this embodiment is D, and D satisfies 2.9mm ⁇ D ⁇ 3.1mm.
  • the lens of the present invention selects an existing ultra-small lens on the market, and the size of the ultra-small lens can meet the requirements of the camera fixing hole 3.
  • the size requirements can be installed in the tube of the above-mentioned endoscopic probe structure.
  • the camera module is directly arranged at the end of the endoscope, avoiding the installation of the camera module 2 at the operating end to collect and transmit images through optical fibers, and the absence of optical fiber transmission greatly reduces the manufacturing cost of the endoscope Therefore, it can be used as a disposable product and does not need to be disinfected, which can avoid the risk of surgical cross-infection due to incomplete disinfection.
  • one side of the end face of the probe housing 1 is provided with an arc-shaped transition surface 4 for guiding the probe body to be inserted into the target tissue.
  • the outer surface of the front end of the probe housing 1 also includes a side ring surface and an end surface.
  • the arc-shaped transition surface 4 is the transition surface between the side ring surface and the end surface.
  • the transition surface is inclined. Specifically, The angle between the plane portion of the arc transition surface 4 and the end surface is preferably 60°.
  • a claw is provided at the end of the probe housing 1 to fix the probe housing 1 in the housing (the housing is the outermost housing of the endoscope for wrapping its entirety, not shown in the figure) Draw), and the number of claws is 4, the two claws close to the position of the operating channel 5 are the first claw 6, and the two claws close to the position of the camera module 2 are the second claw 7.
  • the structure of a claw 6 is similar to that of the second claw 7.
  • This embodiment provides a probe. Compared with the structure of the probe provided in Embodiment 1, the only difference is that the number of installation grooves can be one, three, four, etc., and the installation grooves The number of installed lighting units 202 is correspondingly one, three, four, etc., and the specific number is determined according to the intensity of the illumination required by the endoscope.
  • This embodiment provides a probe. Compared with the structure of the probe provided in Embodiment 1, the only difference is that the entire probe housing 11 can be made of a non-transparent material, and only the end of the probe housing 1 is provided. It is made of a transparent material, and the light emitted by the LED module passes through the end of the housing to illuminate the target tissue; as a further alternative embodiment, the ordinary LED light is replaced with a waterproof LED light, and the LED at the end of the housing Make a hole in the position to expose the LED light so that the light emitted by the LED module directly illuminates the target tissue.
  • This embodiment provides a probe. Compared with the structure of the probe provided in Embodiment 1, the only difference is that the shape of the operating channel 5 can be a through hole of other shapes such as a diamond or a circle; further, the operating channel 5 can extend outward to the arc-shaped transition surface 4.
  • This embodiment provides a probe. Compared with the probe structure provided in Embodiment 1, the only difference is that the end of the operating channel 5 completely falls on the arc-shaped transition surface 4.

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Abstract

一种内窥镜插入部前端结构，包括探头壳体(1)，设置于探头壳体(1)的端面上用于观察周围组织图像的摄像模块(2)；设置于探头壳体(1)的端面上且位于摄像模块(2)的一侧用于固定操作机构的操作孔道(5)；摄像模块(2)包括镜头单元(201)与设置于镜头单元(201)两侧的照明单元(202)，探头壳体(1)端面的一侧设置有弧形过渡面(4)，用于引导探头本体插入目标组织内。有益效果是，探头壳体(1)第一端的端面具有切角，在探头进入人体内部的过程中，倾斜的弧形过渡面(4)能够减少来自人体组织的阻力，使得探头能够更容易地进入到人体内部；通过设置探头壳体(1)，同时用密封胶密封覆盖照明单元(202)，探头壳体(1)对照明单元(202)的端部具有定位和保护的作用。

Description

一种内窥镜插入部前端结构 技术领域
本发明涉及内窥镜技术领域，特别是一种内窥镜插入部前端结构。
背景技术
医用内窥镜作为一种医疗器械，通过插入人体内部的各种腔道内，广泛用于临床观察与诊断，是一种疾病检查的重要手段。
经过专利检索发现，公开号：CN106308735A，公开了一种电子膀胱镜，包括：软质管、套接在软质管内的硬质管及显示器，其中硬质管内设置有器械通道、内窥通道及照明通道，内径通道内设置有镜头即图像传感器，照明通道内设置有光源。
但是，上述的电子膀胱镜，其中未设置对照明通道的端部部件进行定位和保护的结构，在使用的过程中，容易到孩子人体内部的分泌物进入内窥镜探头中，对其内部的结构部件造成污染和破坏，最终影响其拍摄效果和使用性能，且上述气管镜探头的端面板外侧为平直表面，当气管镜的探头及导管进入人体内时，平直表面会受到较大的阻力，导致导管不易插入人体内。这使得探头容易对人体的组织造成损伤，同时，探头在进入人体的过程中，探头因受到的阻力过大而容易损坏。
发明内容
本发明的目的是为了克服现有技术中的医疗内窥镜容易在使用过程中因人体内部的分泌物进入内窥镜的探头造成内窥镜的污染和破坏而影响其拍摄效果和使用的性能，以及探头的端面板外侧为平直表面，导致导管不易插入人体的问题，设计了一种内窥镜插入部前端结构。
实现上述目的本发明的技术方案为，一种内窥镜插入部前端结构，包括探头壳体，摄像模块，设置于所述探头壳体的端面上用于观察周围组织的图像；操作孔道，设置于所述探头壳体的端面上且位于所述摄像模块的一侧用于固定操作机构；所述摄像模块包括镜头单元与设置于镜头单元两侧的照明单元，所述探头壳体端面的一侧设置有弧形过渡面，用于引导所述探头本体插入目标组织内。
作为一种可供参考的实施方案，所述内窥镜探头上开设有用于安装所述摄像模块的摄像固定孔，所述镜头单元设置于所述摄像固定孔的中部位置，所述照明单元设置所述摄像固定孔的两侧位置，且所述镜头单元与所述照明单元的布置方式成品字型结构。
弧形过渡面的具体倾角为，所述探头壳体前端的外表面还包括侧环面与端面，所述弧形过渡面的平面部分与所述端面的夹角为50°-70°；且所述弧形过渡面的平面部分与所述端面优选60°夹角。
探头壳体与外部壳体的连接固定方式，所述探头壳体远离所述摄像模块的端面上设置有用于与内窥镜探头外壳体扣合的多个卡爪；所述卡爪的数量为4个，且靠近所述操作孔道所在位置的两个卡爪为第一卡爪，靠近所述摄像模块所在位置的两个卡爪为第二卡爪。
作为一种可供实施的方案，所述探头壳体的后端面上设置有与所述摄像模块对应的安 装凹槽，所述照明单元设置于所述安装凹槽内，所述安装凹槽至少为两个且位于所述镜头单元的两侧。
作为一种优选方案，所述探头壳体上且与所述安装凹槽对应的位置可以采用透明材质制作。
为了保证其镜头密封性，所述探头壳体与所述摄像模块之间通过设置密封胶进行连接密封，所述探头壳体与所述操作孔道之间通过设置密封胶进行密封连接。
其有益效果在于，
1.本发明提供的探头，其包括探头壳体，探头壳体第一端的端面具有切角，而切角所在处的端面形成弧形过渡面，弧形过渡面用于引导探头壳体插入目标组织内；在探头进入人体内部的过程中，倾斜的弧形过渡面能够减少来自人体组织的阻力，使得探头能够更容易地进入到人体内部，减少探头对人体组织产生的损伤；同时也能够避免探头因受到过大阻力而损坏的情况发生。
2.本发明提供的探头，探头壳体上开设有操作孔道，操作孔道内设置有手术器械机构用于手术操作，或者通入生理盐水，用于组织冲洗，清理摄像视野等，增加了本设备的功用性。
3.本发明提供的一种内窥镜插入部前端结构结构，通过设置探头壳体，同时用密封胶密封覆盖照明单元，探头壳体对照明单元的端部具有定位和保护的作用，并在使用内窥镜的过程中，能够有效地防止人体内部的分泌物污染照明单元，避免照明单元由此带来的损坏和检测效果的下降，从而获得优质的拍摄效果和实用性能。
附图说明
图1是本发明的整体结构示意图；
图2是本发明去除摄像模块的结构示意图；
图3是本发明的结构剖视图；
图4是本发明的结构后视图；
图中，1、探头壳体；2、摄像模块；201、镜头单元；202、照明单元；3、摄像固定孔；4、弧形过渡面；5、操作孔道；6、第一卡爪；7、第二卡爪。
具体实施方式
下面结合附图对本发明进行具体描述，如图1-4所示，为本发明的整体结构示意图，其主要包括探头壳体1，摄像模块2与操作孔道5，其中，摄像模块2是内窥镜的核心机构，设置于所述探头壳体1的端面上用于观察周围组织的图像，通过将图像传输到外部的显示设备中用于显示组织周围的影像；操作孔道5是为了进一步的扩展内窥镜的功能而设置的，其设置于所述探头壳体1的端面上且位于所述摄像模块2的一侧用于固定操作机构；这里的操作机构包括医疗观察中可能涉及的微型手术操作器械，或者是治疗该组织的药液，或者是生理盐水，用于冲洗组织内的粘液保证摄像镜头拍摄画面的清晰。
实施例1
下面对摄像模块2的一种实施例进行说明，所述摄像模块2包括镜头单元201与设置于镜头单元201两侧的照明单元202，镜头单元201又包括镜头以及与镜头连接的CMOS模块，基于实际情况，这里的CMOS模块只是一种选择的实施方式，也可以选择CCD模块等 其他图像传输模块，而对于照明单元202而言，照明单元202主要为LED灯，同样的，照明单元202也可以采用其他的冷光源。为了将镜头单元201与照明单元202固定在探头壳体1上，内窥镜探头上开设有用于安装所述摄像模块2的摄像固定孔3，为了保证其密封性，镜头单元201与探头壳体1的间隙通过密封胶进行密封处理，这样可以避免在使用过程中，因为人体内的粘液进入设备中，影响了设备的使用，严重的，还可能会造成设备的直接损坏。为了更好的得到镜头摄像的效果，本技术方案提供一种镜头单元201与照明单元202在摄像固定孔3内的布置方式，具体为，所述探头壳体1的后端面上设置有与所述摄像模块2对应的安装凹槽，照明单元202设置于安装凹槽内，安装凹槽有两个且位于镜头单元201的两侧；镜头单元201设置于摄像固定孔3的中部位置，照明单元202设置于摄像固定孔3的两侧位置，且镜头单元201与照明单元202的布置方式成品字型结构，这种结构的设计能够使镜头的光线照明充分，不会出现偏光的问题，能够保证摄像图像的质量。
本实施例中的外管的管径为D，D满足2.9mm≤D≤3.1mm，本发明的镜头选用市面上已有的超小型镜头，该超小型镜头的尺寸能够满足摄像固定孔3的尺寸要求，即可安装至上述内窥镜探头结构的管内。本发明内窥镜探头结构，由于直接在内窥镜端部设有摄像头模块，避免将摄像模块2设于操作端通过光纤采集和传递图像，不采用光纤传输使得内窥镜的制造成本大大降低，从而可作为一次性产品使用并且无需消毒可避免因消毒不彻底而存在手术交叉感染的风险。
本发明的另一个创新点在于，如图1-3所示，探头壳体1端面的一侧设置有弧形过渡面4，用于引导探头本体插入目标组织内。探头壳体1前端的外表面除了弧形过渡面4之外还包括侧环面与端面，所述弧形过渡面4即为侧环面与端面的过渡面，该过渡面倾斜，具体的，弧形过渡面4的平面部分与所述端面的夹角优选60°夹角，通过在探头壳体1的前端面设置弧形过渡面4，能够减少内窥镜探头进入人体内部时的阻力，从而减少对人体组织的损伤。
除了上述机构外，在探头壳体1的尾端设置了卡爪，用于将探头壳体1固定在外壳内(外壳即为内窥镜最外部用于包裹其整体的壳体，图中未画出)，且卡爪的数量为4个，靠近操作孔道5所在位置的两个卡爪为第一卡爪6，靠近摄像模块2所在位置的两个卡爪为第二卡爪7，第一卡爪6与第二卡爪7的结构相似。
实施例2
本实施例提供一种探头，其与实施例1中提供的探头的结构相比，存在的区别仅在于，安装凹槽的数量可以为一个、三个、四个等数量，同时安装凹槽内安装的照明单元202的数量也相对应地为一个、三个、四个等，具体数量根据内窥镜需要的照明强度来确定。
实施例3
本实施例提供一种探头，其与实施例1中提供的探头的结构相比，存在的区别仅在于，探头壳体11整体可以采用非透明材料制作，仅将探头壳体1的端部设置成由透明材料制成，LED模块发出的光透过壳体端部，将目标组织处照亮；作为进一步可替换的实施方式，普通LED灯替换为防水式LED灯，壳体端部LED的位置开孔，将LED灯露出，使LED模块发出的光直接照射到目标组织处。
实施例4
本实施例提供一种探头，其与实施例1提供的探头的结构相比，存在的区别仅在于，操作孔道5的形状可以为菱形、圆形等其它形状的通孔；进一步地，操作孔道5可以向外延伸至弧形过渡面4上。
实施例5
本实施例提供一种探头，其与实施例1提供的探头结构相比，存在的区别仅在于，操作孔道5的端部完全落在弧形过渡面4上。
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明的保护范围之中。

Claims (9)

  1. 一种内窥镜插入部前端结构，包括探头壳体，其特征在于，
    摄像模块，设置于所述探头壳体的端面上用于观察周围组织的图像；
    操作孔道，设置于所述探头壳体的端面上且位于所述摄像模块的一侧用于固定操作机构；
    所述摄像模块包括镜头单元与设置于镜头单元两侧的照明单元，所述探头壳体端面的一侧设置有弧形过渡面，用于引导所述探头本体插入目标组织内。
  2. 根据权利要求1所述的一种内窥镜插入部前端结构，其特征在于，所述内窥镜探头上开设有用于安装所述摄像模块的摄像固定孔，所述镜头单元设置于所述摄像固定孔的中部位置，所述照明单元设置所述摄像固定孔的两侧位置，且所述镜头单元与所述照明单元的布置方式成品字型结构。
  3. 根据权利要求1所述的一种内窥镜插入部前端结构，其特征在于，所述探头壳体前端的外表面还包括侧环面与端面，所述弧形过渡面的平面部分与所述端面的夹角为50°-70°。
  4. 根据权利要求3所述的一种内窥镜插入部前端结构，其特征在于，所述弧形过渡面的平面部分与所述端面优选60°夹角。
  5. 根据权利要求1所述的一种内窥镜插入部前端结构，其特征在于，所述探头壳体远离所述摄像模块的端面上设置有用于与内窥镜探头外壳体扣合的多个卡爪。
  6. 根据权利要求5所述的一种内窥镜插入部前端结构，其特征在于，所述卡爪的数量为4个，且靠近所述操作孔道所在位置的两个卡爪为第一卡爪，靠近所述摄像模块所在位置的两个卡爪为第二卡爪。
  7. 根据权利要求1所述的一种内窥镜插入部前端结构，其特征在于，所述探头壳体的后端面上设置有与所述摄像模块对应的安装凹槽，所述照明单元设置于所述安装凹槽内，所述安装凹槽至少为两个且位于所述镜头单元的两侧。
  8. 根据权利要求1所述的一种内窥镜插入部前端结构，其特征在于，所述探头壳体上且与所述安装凹槽对应的位置可以采用透明材质制作。
  9. 根据权利要求1所述的一种内窥镜插入部前端结构，其特征在于，所述探头壳体与所述摄像模块之间通过设置密封胶进行连接密封，所述探头壳体与所述操作孔道之间通过设置密封胶进行密封连接。
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