Flexible superfine diameter endoscope

Abstract

The invention belongs to the technical field of endoscopes, and particularly relates to a superfine diameter endoscope. The flexible superfine diameter endoscope can eliminate the breaking risk of thehead end and the root of an eye lens, the service life is greatly prolonged, the risk that a hose is loosened can be effectively avoided, permeation of a disinfectant is effectively avoided, and theproduct quality is obviously improved; in addition, the connection vibration phenomenon can be effectively avoided.

Description

technical field [0001] The invention belongs to the technical field of endoscopes, in particular to an ultra-fine diameter endoscope. Background technique [0002] Endoscope is a detection instrument that integrates traditional optics, ergonomics, precision machinery, modern electronics, mathematics and software. The lesions that cannot be shown by X-rays can be seen by using the endoscope, so it has broad application prospects in the medical field. At present, ultra-fine endoscope technology is in the leading stage in developed countries such as Germany, the United States, and Japan, and it is also in the stage of widespread clinical application, while my country is still in its infancy. my country's "National Key R&D Plan: Basic Material Technology Improvement and Industrialization Key Points" The "Special 2016 Project Application Guide" has been included in the development direction of ultra-fine endoscopes, and ultra-fine endoscopes have become one of the research hotspo...

AI Technical Summary

Problems solved by technology

Among them, the flexible ultra-fine endoscope generally has the following technical defects in clinical application at present. (1) After the doctor inserts the flexible ultra-fine endoscope into the sheath, the end of the flexible ultra-fine endoscope lens is exposed to the end of the sheath without paying attention. When bending to turn to the combined flexible endoscope, the head end piece of the flexible ultra-fine endoscope is easy to break. Some merchants propose to shorten the length of the stainless steel tube at the end of the flexible ultra-fine endoscope to reduce the risk, but the length of the stainless steel tube is less than When the bonding length is too short, there is a risk of loosening, water ingress or even falling off; (2) After the clinical diagnosis and treatment, if the doctor or nurse loosens or slips when removing the optical bayonet and medical optical cable, the end of the hose is easy to (3) In some hospitals, after disinfecting the immersion liquid of the flexible ultra-fine endoscope for many times, when clinically applying the bending and steering combined soft endoscope, the image on the monitor may be clear for a while, blurred for a while, or even no image. It may be found that the image on the monitor is dirty and cannot be used after returning to clinical application. The deep-rooted reason is that the bonding strength between the plastic outer sheath tube and the stainless steel quick connector is not enough and there is no sealing and limit structure; (4) The coaxiality between the image plane of the quartz image fiber and the eyepiece There is a deviation, that is, the image is not centered when the eyepiece observes the image surface. The main reason is that the outer diameter tolerance of the quartz image fiber is ±0.05mm. The time deviation will be as high as 4.55mm; (5) When the optical bayonet is connected to the eyepiece cover of the flexible ultra-fine endoscope when the endoscope camera system is installed, it is found that there is no reliable connection, that is, shaking occurs

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