Insertion structure and endoscope

By designing the inclined section of the endoscope insertion structure, the problem of gravel instruments in the ureteral soft lens are easily stuck or broken, improving the efficiency of gravel and clear stones, and preventing blockage.

CN119856892APending Publication Date: 2025-04-22NINGBO XINWELL MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202311371065.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-10-20
Publication Date
2025-04-22

AI Technical Summary

Technical Problem

The gravel instruments in the ureteral soft mirror are prone to stagnation or breaking when they bend significantly in a small space, affecting the efficiency of gravel and clear stones.

Method used

An endoscopic insertion structure is designed, including an attraction channel and an instrument channel in the main body of the tube mirror. An inclined section is provided in the attraction channel. The extension direction of the inclined section is at a certain angle to the axial direction of the instrument channel. The inclined section is inclined toward the instrument channel, so that the instrument channel and the inclined section intersect at the outlet, thereby reducing the bending range of the working instrument.

Benefits of technology

By reducing the bending range of the working equipment, the risk of equipment stuck and brokenness is reduced, the efficiency of gravel and clear stone is improved, and blocked.

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Abstract

The invention relates to an insertion structure and an endoscope. The insertion structure comprises a suction channel and an instrument channel, and the suction channel comprises an inclined section. The inclined section is designed to deviate to the instrument channel and intersect with the instrument channel, so that the working instrument penetrating out of the instrument channel can directly extend into the inclined section of the suction channel, the working instrument can directly extend out of the suction opening of the suction channel without being greatly bent, and then the bending amplitude of the working instrument is reduced; the risk of clamping stagnation of the working apparatus is reduced, the risk of breaking of the working apparatus caused by too large bending amplitude can be reduced, the use reliability of the working apparatus is improved, and the service life of the working apparatus is prolonged. Taking the insertion structure applied to the flexible ureteroscope as an example, the structure not only improves the stone breaking and stone removing efficiency, but also plays a role in preventing blockage.
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