Strength detection bone nail device

By using a force-detecting bone screw device to monitor suture stress in real time, the problems of rivet injection failure and tendon re-tear in RCR surgery have been solved, resulting in faster recovery and more reliable healing.

CN122272087APending Publication Date: 2026-06-26IND TECH RES INST
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Patent Information

Application Number
CN202411971772.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-12-26
Filing Date
2024-12-30
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In current RCR surgery, the injected material of the rivets is prone to failure, which can lead to re-tearing of the tendon sutures. Excessive rehabilitation can easily cause further tearing, and the recovery time is long and difficult to control.

Method used

A force-detecting bone screw device was designed, comprising a bone screw body, a load-bearing structure, a detection module, and an antenna module. It monitors the stress on the suture through a bending moment-strain structure, evaluates force data in real time, avoids tendon tearing after suturing, and monitors the status of the injected material in the rivet during surgery.

Benefits of technology

Effective monitoring of suture stress can prevent tendon re-tears, shorten recovery time, accelerate the healing process, and reduce the risk of rivet injection failure.

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Abstract

The invention discloses a force detection bone nail device which comprises a bone nail body, a force bearing structure, a detection module and an antenna module. The bone nail body comprises a cylinder. The bearing structure, the detection module and the antenna module are respectively arranged in the accommodating part in the column body; the bearing structure comprises a body, a bearing part, a fixing part and at least one bending moment strain structure; one end of the body is connected with the bearing part, and the other end of the body is connected with the fixing part which is fixedly arranged in the column body. One side of the bearing part is used for being connected to a suture. The bending moment strain structures are arranged on the body, the body has an axial direction, and each bending moment strain structure has deformation in at least one direction different from the axial direction. The detection module comprises at least one strain element and a sensing assembly, each strain element is used for measuring the stress of the bending moment strain generated by the bending moment strain structure, and the sensing assembly is connected with the strain element. The antenna module is connected with the sensing assembly.
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