CN111772557A - A disposable ultra-thin flexible catheter and electronic endoscope - Google Patents
A disposable ultra-thin flexible catheter and electronic endoscopeDownload PDFInfo
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Abstract
Description
Translated fromChinese技术领域technical field
本发明涉及内窥镜手术领域，尤其涉及一种一次性超细软性导管和电子内窥镜。The invention relates to the field of endoscopic surgery, in particular to a disposable ultra-fine flexible catheter and an electronic endoscope.
背景技术Background technique
超细软性电子内窥镜可以进入人体更细的腔道，对这些细小人体腔道进行观察和治疗。工作直径小于3mm的超细软性电子内窥镜可以进入人体的胆管、淋巴管、输尿管、支气管等细小腔道，辅助软性器械进行诊疗有广泛的临床意义。The ultra-fine flexible electronic endoscope can enter the finer cavities of the human body, and observe and treat these small human cavities. The ultra-thin flexible electronic endoscope with a working diameter of less than 3mm can enter the small cavities of the human body such as bile ducts, lymphatic vessels, ureters, and bronchi. It has extensive clinical significance to assist soft instruments for diagnosis and treatment.
但是传统的超细软性电子内窥镜都是重复使用的，一方面存在交叉感染的风险，另一方面CCD/CMOS摄像模组和照明光纤都内置于手柄插入部，生产和维修成本高，这些因素使得生产厂家和临床医生越来越倾向于一次性软性电子内窥镜。为了研发避免交叉感染和降低成本的一次性软性电子内窥镜，国内外相关研究人员进行了相关研究。However, the traditional ultra-fine flexible electronic endoscopes are reused. On the one hand, there is a risk of cross-infection. On the other hand, the CCD/CMOS camera module and the illumination fiber are built into the handle insertion part, resulting in high production and maintenance costs. These factors have led manufacturers and clinicians to increasingly prefer single-use flexible video endoscopes. In order to develop a disposable flexible electronic endoscope that avoids cross-infection and reduces costs, relevant researchers at home and abroad have carried out related research.
《一次性内窥镜》(公开号CN207679418U)的专利文件引入手柄和插入部由非金属材料制成，虽然与重复使用的软性电子内窥镜相比生产成本有所降低，但内置于插入部的摄像模组成本很高，一次手术就丢弃依然无法真正意义上的做到一次性使用；《一次性电子内窥镜》(公开号CN106821286A)的专利文件引入由内窥镜主体和一次性镜体组成的一次性电子内窥镜，虽然解决了交叉感染和丢弃成本低的问题，但是存在几个问题：(1)其插入部内设有1个工作腔道、2个导光通道和1个容纳摄像模组的柔性管通道，结构复杂，操作繁琐，这4个通道导致插入部工作直径远远超过3mm,无法用于一次性超细软性电子内窥镜的应用；(2)内窥镜主体上的连接口和一次性镜体配合采用过渡配合，没有定位装置，医生在操作时很难找到一次性镜体先端部摄像模组的正确手术方向，而且长时间使用因磨损产生松动，过渡配合不可靠；(3)一次性镜体内窥镜保护罩是有一定厚度镀膜的光学玻璃，内置于先端部，降低了摄像模组的视场角，影响手术图像的视野。The introduction handle and the insertion part of the patent document "Disposable Endoscope" (Publication No. CN207679418U) are made of non-metallic materials. Although the production cost is reduced compared with the reusable flexible electronic endoscope, it is built into the insertion part. The cost of the camera module in the department is very high, and it is still impossible to truly achieve one-time use if it is discarded after one operation; the patent document of "Disposable Electronic Endoscope" (Publication No. CN106821286A) is introduced by the main body of the endoscope and the disposable endoscope. Although the disposable electronic endoscope composed of the mirror body solves the problems of cross infection and low disposal cost, there are several problems: (1) the insertion part is provided with 1 working channel, 2 light guide channels and 1 flexible tube channel for accommodating the camera module, the structure is complex and the operation is cumbersome, these 4 channels lead to the working diameter of the insertion part far exceeding 3mm, which cannot be used for the application of disposable ultra-fine flexible electronic endoscope; (2) The connection port on the main body of the endoscope and the disposable mirror body adopt transition fit, and there is no positioning device. It is difficult for doctors to find the correct operation direction of the camera module at the tip of the disposable mirror body during operation, and the long-term use is caused by wear and tear. Looseness and unreliable transition fit; (3) The endoscope protective cover of the disposable scope is an optical glass coated with a certain thickness, which is built into the tip, which reduces the field of view of the camera module and affects the field of view of the surgical image.
发明内容SUMMARY OF THE INVENTION
为解决背景技术中存在的技术问题，本发明提出一种一次性超细软性导管和电子内窥镜。In order to solve the technical problems existing in the background art, the present invention proposes a disposable ultra-thin flexible catheter and an electronic endoscope.
本发明提出的一种一次性超细软性导管，包括导管本体；A disposable ultra-fine flexible catheter proposed by the present invention comprises a catheter body;
所述导管本体内设有器械通道、摄像通道和照明光纤，器械通道、摄像通道和照明光纤沿所述导管本体长度方向延伸；所述摄像通道前端设有保护罩。The catheter body is provided with an instrument channel, a camera channel and an illumination fiber, and the instrument channel, the camera channel and the illumination fiber extend along the length of the catheter body; the front end of the camera channel is provided with a protective cover.
优选地，所述导管本体包括沿其长度方向依次连接的操作部、插入部、弯曲部和先端部，保护罩安装在所述先端部上。Preferably, the catheter body includes an operating portion, an insertion portion, a bending portion and a tip portion connected in sequence along the length direction thereof, and the protective cover is mounted on the tip portion.
优选地，操作部上设有与所述摄像通道连通的摄像入口、与所述器械通道连通的器械入口和与照明光纤连接的光纤端头。Preferably, the operation part is provided with a camera inlet communicated with the camera channel, an instrument inlet communicated with the instrument channel, and an optical fiber end connected with the illumination fiber.
优选地，操作部上设有摄像插接座，摄像入口位于摄像插接座上。Preferably, the operation part is provided with a camera socket, and the camera inlet is located on the camera socket.
优选地，所述操作部上设有用于驱动所述弯曲部弯曲的控制旋钮。Preferably, the operation part is provided with a control knob for driving the bending part to bend.
本发明中，所提出的一次性超细软性导管，所述导管本体内设有器械通道、摄像通道和照明光纤，器械通道、摄像通道和照明光纤沿所述导管本体长度方向延伸；所述摄像通道前端设有保护罩。通过上述优化设计的一次性超细软性导管，通过设置器械通道和摄像通道，与内窥镜镜体配合使用，作为无菌耗材，无需消毒，抛弃成本低，电子内窥镜可以反复使用，工作直径小，适用范围广，图像视场角大，提高医生手术时图像视野，降低使用成本，而且无需消毒，操作方便。In the present invention, in the proposed disposable ultra-fine flexible catheter, the catheter body is provided with an instrument channel, a camera channel and an illumination fiber, and the instrument channel, the camera channel and the illumination fiber extend along the length direction of the catheter body; the The front end of the camera channel is provided with a protective cover. Through the above optimally designed disposable ultra-thin flexible catheter, the instrument channel and the camera channel are set, and the endoscope is used in conjunction with the endoscope body. As a sterile consumable, it does not need to be sterilized, and the disposal cost is low. The working diameter is small, the scope of application is wide, and the image field of view is large, which improves the doctor's image field of view during surgery, reduces the use cost, and does not require disinfection, and is easy to operate.
本发明还提出一种电子内窥镜，包括上述的一次性电子内窥镜用超细软性导管。The present invention also provides an electronic endoscope, comprising the above-mentioned ultra-fine flexible catheter for a disposable electronic endoscope.
优选地，还包括摄像头、软性插入件、连接件；Preferably, it also includes a camera, a soft insert, and a connector;
软性插入件位于摄像通道内，摄像头位于软性插入件前端且位于保护罩内，连接件与软性插入件远离摄像头一端连接，连接件上设有航空插头。The soft insert is located in the camera channel, the camera is located at the front end of the soft insert and inside the protective cover, the connector is connected with the end of the soft insert away from the camera, and the connector is provided with an aviation plug.
优选地，连接件朝向软性插入件一端设有与摄像插接座配合的插接头。Preferably, one end of the connector facing the soft insert is provided with a plug connector matched with the camera socket.
优选地，摄像插接座上设有用于容纳插接头的插接槽，插接头侧壁设有沿轴向延伸的定位槽，所述插接槽侧壁安装有与所述定位槽配合的定位螺钉。Preferably, the camera socket is provided with a socket for accommodating the socket, the side wall of the socket is provided with a positioning groove extending in the axial direction, and the side wall of the socket is provided with a positioning groove that cooperates with the positioning groove screw.
优选地，所述插接槽内壁设有沿轴向延伸的限位键槽，插接头上设有与所述限位键槽配合的键体。Preferably, the inner wall of the insertion slot is provided with a limit key groove extending in the axial direction, and the plug joint is provided with a key body matched with the limit key groove.
本发明中，所提出的电子内窥镜，包括上述的一次性电子内窥镜用超细软性导管，其技术效果与上述一次性电子内窥镜用超细软性导管类似，因此不再赘述。In the present invention, the proposed electronic endoscope includes the above-mentioned ultra-thin flexible catheter for disposable electronic endoscope, and its technical effect is similar to the above-mentioned ultra-thin flexible catheter for disposable electronic endoscope, so it is no longer necessary to Repeat.
附图说明Description of drawings
图1为本发明提出的一种一次性超细软性导管的结构示意图。FIG. 1 is a schematic structural diagram of a disposable ultra-fine flexible catheter proposed by the present invention.
图2为图1的先端部的局部结构示意图。FIG. 2 is a schematic diagram of a partial structure of the tip portion of FIG. 1 .
图3为图1的先端部的局部剖视示意图。FIG. 3 is a schematic partial cross-sectional view of the tip portion of FIG. 1 .
图4为图1的摄像插接座的局部放大示意图。FIG. 4 is a partial enlarged schematic view of the camera socket of FIG. 1 .
图5为本发明提出的一种电子内窥镜未安装导管本体的结构示意图。FIG. 5 is a schematic structural diagram of an electronic endoscope without a catheter body according to the present invention.
图6为图5的连接件的局部结构示意图。FIG. 6 is a partial structural schematic diagram of the connector of FIG. 5 .
具体实施方式Detailed ways
如图1至6所示，图1为本发明提出的一种一次性超细软性导管的结构示意图，图2为图1的先端部的局部结构示意图，图3为图1的先端部的局部剖视示意图，图4为图1的摄像插接座的局部放大示意图，图5为本发明提出的一种电子内窥镜未安装导管本体的结构示意图，图6为图5的连接件的局部结构示意图。As shown in FIGS. 1 to 6 , FIG. 1 is a schematic structural diagram of a disposable ultra-fine flexible catheter proposed by the present invention, FIG. 2 is a partial structural schematic diagram of the tip portion of FIG. 1 , and FIG. 3 is a schematic view of the tip portion of FIG. 1 . A partial cross-sectional schematic diagram, FIG. 4 is a partial enlarged schematic diagram of the camera socket of FIG. 1 , FIG. 5 is a schematic structural diagram of an electronic endoscope proposed by the present invention without a catheter body installed, and FIG. 6 is a schematic diagram of the connector of FIG. 5 . Schematic diagram of the local structure.
参照图1至4，本发明提出的一种一次性超细软性导管，包括导管本体；1 to 4, a disposable ultra-fine flexible catheter proposed by the present invention includes a catheter body;
所述导管本体内设有器械通道10、摄像通道11和照明光纤9，器械通道10、摄像通道11和照明光纤9沿所述导管本体长度方向延伸；所述摄像通道11前端设有保护罩8。The catheter body is provided with an
在照明光纤的具体选择方式中，可以采用玻璃纤维照明光纤和塑料照明光纤。In the specific selection method of the illuminating optical fiber, glass fiber illuminating optical fiber and plastic illuminating optical fiber can be used.
在保护罩的材料选择中，可以采用镀光学增透膜的光学玻璃制作，为了增加透光率，提高图像输出质量。In the material selection of the protective cover, it can be made of optical glass coated with optical anti-reflection film, in order to increase the light transmittance and improve the image output quality.
在本实施例中，所提出的一次性超细软性导管，所述导管本体内设有器械通道、摄像通道和照明光纤，器械通道、摄像通道和照明光纤沿所述导管本体长度方向延伸；所述摄像通道前端设有保护罩。通过上述优化设计的一次性超细软性导管，通过设置器械通道和摄像通道，与内窥镜配合使用，作为无菌耗材，无需消毒，抛弃成本低，电子内窥镜可以反复使用，工作直径小，适用范围广，图像视场角大，提高医生手术时图像视野，降低使用成本，而且无需消毒，操作方便。In this embodiment, in the proposed disposable ultra-thin flexible catheter, an instrument channel, a camera channel and an illumination fiber are provided in the catheter body, and the instrument channel, the camera channel and the illumination fiber extend along the length of the catheter body; The front end of the camera channel is provided with a protective cover. Through the above optimally designed disposable ultra-thin flexible catheter, by setting the instrument channel and the camera channel, it is used in conjunction with the endoscope. As a sterile consumable, it does not need to be sterilized, and the cost of disposal is low. The electronic endoscope can be used repeatedly. The working diameter It is small, has a wide range of applications, and has a large image field of view, which improves the doctor's image field of view during surgery, reduces the cost of use, and does not require disinfection and is easy to operate.
在导管本体的具体实施方式中，所述导管本体包括沿其长度方向依次连接的操作部4、插入部3、弯曲部2和先端部1，保护罩8安装在所述先端部1上。In the specific embodiment of the catheter body, the catheter body includes an operation part 4 , an insertion part 3 , a bending part 2 and a tip part 1 connected in sequence along its length direction, and a
进一步地，在操作部的具体设计方式中，操作部4上设有与所述摄像通道11连通的摄像入口、与所述器械通道10连通的器械入口7和与照明光纤9连接的光纤端头12。Further, in the specific design of the operation part, the operation part 4 is provided with a camera inlet communicated with the camera channel 11 , an instrument inlet 7 communicated with the
参照图5和6，相应地，本实施例还提出一种电子内窥镜，包括上述一次性电子内窥镜用超细软性导管。5 and 6 , correspondingly, this embodiment further provides an electronic endoscope, including the above-mentioned ultra-thin flexible catheter for a disposable electronic endoscope.
在具体设计方式中，本实施例的电子内窥镜还包括摄像头16、软性插入件17、连接件18；In a specific design manner, the electronic endoscope of this embodiment further includes a
软性插入件17位于摄像通道11内，摄像头16位于软性插入件17前端且位于保护罩8内，连接件18与软性插入件17远离摄像头16一端连接，连接件18上设有航空插头20。The
本实施例的一次性超细软性导管电子内窥镜的具体工作过程中，将软性插入件的摄像头一端从操作部的摄像入口插入摄像内，直至摄像头位于保护罩内，并且连接件与操作部连接，使得连接件的光源接口与光纤端头连接，在摄像头拍摄时，通过光纤对拍摄位置提供照明，保证图像照度，然后连接件再通过航空插头与外部信号与外接成像系统连接，将图像依次通过视频电源线、航空插头和成像系统在医用监视器上显示出来。In the specific working process of the disposable ultra-fine flexible catheter electronic endoscope of this embodiment, the camera end of the flexible insert is inserted into the camera from the camera inlet of the operation part until the camera is located in the protective cover, and the connector is connected to the camera. The operation part is connected, so that the light source interface of the connector is connected with the optical fiber end. When the camera is shooting, the optical fiber is used to provide illumination to the shooting position to ensure the image illumination, and then the connector is connected to the external imaging system through the aviation plug and the external signal. The images are displayed on a medical monitor sequentially through a video power cable, an aviation plug, and an imaging system.
为了增加拍摄时的透光性，保护罩8由镀增透膜的光学玻璃制作，减小对摄像头拍摄图像分辨率的影响。In order to increase the light transmittance during shooting, the
为了根据需要调整摄像头的摄像视野，所述操作部4上设有用于驱动所述弯曲部2弯曲的控制旋钮5，弯曲部通常采用蛇骨结构，通过控制旋钮驱动弯曲部转动，从而使得先端部内的摄像头进行转向。In order to adjust the imaging field of the camera as required, the operation part 4 is provided with a control knob 5 for driving the bending part 2 to bend. The bending part usually adopts a serpentine structure. camera to turn.
在操作部的具体设计方式中，操作部4上设有摄像插接座6，摄像入口位于摄像插接座6上，相应地，连接件18朝向软性插入件17一端设有与摄像插接座6配合的插接头19，便于与连接件安装连接。In the specific design of the operation part, the operation part 4 is provided with a camera socket 6, and the camera inlet is located on the camera socket 6. Correspondingly, one end of the
在摄像插接座的具体设计方式中，摄像插接座6上设有用于容纳插接头19的插接槽，插接头19侧壁设有沿轴向延伸的定位槽21，所述插接槽侧壁安装有与所述定位槽21配合的定位螺钉13，保证插接座和插接头配合的可靠性，插入后通过定位螺钉和定位槽配合锁紧。In the specific design of the camera socket, the camera socket 6 is provided with a socket for accommodating the
为了在安装时对插接头进行定位，所述插接槽内壁设有沿轴向延伸的限位键槽15，插接头19上设有与所述限位键槽15配合的键体23，保证插入到一次性超细软性导管中的摄像头16不会转动。In order to position the plug connector during installation, the inner wall of the plug slot is provided with a limit
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.
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