Flexible multi-dimensional grabbing device under ureteroscope based on logarithmic spiral structure
The flexible, multi-dimensional ureteroscopic grasping device with a logarithmic spiral structure solves the grasping problem of existing stone retrieval equipment in narrow environments and when stones are adhered, achieving multi-dimensional grasping ability and flexibility.
CN224403724UActive Publication Date: 2026-06-26BEIJING TSINGHUA CHANGGUNG HOSPITAL
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING TSINGHUA CHANGGUNG HOSPITAL
- Filing Date
- 2025-04-22
- Publication Date
- 2026-06-26
AI Technical Summary
Technical Problem
Existing ureteroscopic stone retrieval baskets have limited functionality and cannot effectively retrieve stones in narrow environments and at the edge of the field of vision, especially when stones are adhered.
Method used
A flexible, multi-dimensional ureteroscopic grasping device based on a logarithmic spiral structure is used, including a flexible grasping head and a hand-controlled operating part. It achieves multi-dimensional bending through a drive line to adapt to grasping narrow spaces and adhered stones.
Benefits of technology
It enables effective grasping in narrow spaces and in cases of stone embedding or adhesion, expanding the stone retrieval range and improving the flexibility and success rate of stone retrieval.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224403724U_ABST
Abstract
The utility model discloses a kind of flexible multi-dimensional ureteroscope under grabbing device based on logarithmic spiral structure, comprising: flexible grabbing head, it can be logarithmic spiral type bending to grab stone;Flexible body part passageway, with ureteroscope operation passageway adaptive setting, flexible grabbing head is connected in the first end of flexible body part passageway;Hand control operating part, including fixed part and movable operating part, fixed part is fixedly connected in the second end of flexible body part passageway, movable operating part is movably set in the second end of flexible body part passageway, movable operating part is used to drive flexible grabbing head bending as logarithmic spiral structure.The flexible grabbing head of the utility model can be bent in multiple dimensions, realize the grabbing task of each direction self-adapting size, and can complete not in the effective grabbing range of traditional equipment, narrow space or stone in incarceration, adhesion inconvenient handling condition under grabbing task, can be used for lithotomy task in multiple scenes.
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