Snake bone structure and snake bone chain of endoscope

By setting an inclined connection structure and a snap-lock groove on the end face of the endoscopic snake bone segment, the problems of large outer diameter and insufficient stability of traditional snake bone structures are solved, and a snake bone chain design with smaller outer diameter, higher stability and lower cost is achieved.

CN223979802UActive Publication Date: 2026-03-10NANJING KETAI KELIN MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202423079411.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2026-03-10
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The large outer diameter of the traditional endoscopic snake structure limits its application in delicate operations, and the double-layer structure increases the difficulty and cost of manufacturing, while also resulting in insufficient stability.

Method used

The design employs a serpentine joint with inclined end faces. By setting inclined sub-connecting parts and female connecting parts on the end faces of the serpentine joints, a rotary joint is formed. Snap-fits and slots are set between the serpentine joints to ensure a tight connection, simplifying the manufacturing process.

Benefits of technology

The stability and reliability of the snake bone structure were improved, the outer diameter of the snake bone chain was reduced, production costs were lowered, and the internal space of the snake bone chain was optimized to avoid impact on other pipelines.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses an endoscope snake bone structure and a snake bone chain, the snake bone structure comprises snake bone joints, the two end faces of each snake bone joint are respectively provided with a son rotating part and a mother rotating part, the center lines of the end faces of the snake bone joints, the son rotating parts and the mother rotating parts incline towards the same direction, and the son rotating parts and the mother rotating parts of the adjacent snake bone joints are connected in a sleeved mode to form rotating joints. By arranging the inclined end faces and the inclined connecting structures, when the front-end snake joint rotates relative to the rear-end snake joint, the overlapping length of the connecting structures between the front-end snake joint and the rear-end snake joint is increased, the snake bone stability is improved, the snake bone reliability is improved, and the occupied internal space of the snake bone chain is reduced.
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