Flexible in-vivo bone mover

By designing a flexible in-body bone transporter, steel cables and a rotating mechanism are used to achieve flexible connection and controllable adjustment of the bone, solving the problems of discomfort and accuracy associated with traditional bone transport methods. This improves the applicability and safety of bone transport and makes it easier to disassemble and remove.

CN120036900BActive Publication Date: 2026-09-08920TH HOSPITAL OF THE JOINT LOGISTIC SUPPORT FORCE OF THE CHINESE PEOPLES LIBERATION ARMY
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Patent Information

Application Number
CN202510201526.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-09-08
Estimated Expiration
2045-02-24

AI Technical Summary

Technical Problem

Traditional bone transport methods have complications such as discomfort from wearing, skin cutting, and nail tract infection. External fixators are inconvenient to use, and built-in limb lengthening intramedullary nails cause severe pain and have usage limitations, making them unsuitable for widespread application.

Method used

A flexible in vivo bone transporter is designed, which uses separate fixed blocks and moving blocks. The flexible connection and controllable adjustment of the bone are achieved through steel cables and a rotating mechanism, reducing discomfort from fixed wearing and improving the applicability and accuracy of the transport process.

Benefits of technology

It reduces discomfort caused by fixation during bone transport, improves the applicability and accuracy of the transport process, facilitates disassembly and removal, and reduces patient pain and nursing difficulty.

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Abstract

The present application relates to the technical field of medical devices, in particular to a flexible in-vivo bone mover, comprising a first fixing block and a second fixing block fixedly connected to an in-vivo bone, a moving block for moving the bone being arranged between the first fixing block and the second fixing block; a driving rod and a second driven rod are detachably connected to the first fixing block, a first driven rod is detachably connected to the second fixing block, a wire roller is arranged on each of the driving rod, the first driven rod and the second driven rod, and a meshing tooth is fixedly connected to the wire rollers corresponding to the driving rod and the second driven rod; a first steel wire and a second steel wire are connected between adjacent wire rollers, a clamping mechanism for clamping the first steel wire and the second steel wire is arranged on the moving block, and a rotating mechanism for driving the driving rod to rotate is arranged inside the driving rod; the present application is used to improve the applicability and accuracy during the moving process, facilitate the disassembly after the moving is completed, and reduce the discomfort of the patient when fixedly wearing.
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