Bone screw and fracture fixation system adopting same

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AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By designing a bone screw including a screw body, a nut and a top cap, the problem of difficulty in sinking into the hole and excessive tightening and damage in the prior art is solved, and the convenient sinking of the nut and good pressurization effect are achieved.

CN222657152UActive Publication Date: 2025-03-25SHENZHEN CHANGHUA BIOMEDICAL ENG CO LTD

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Patent Information

Application Number: CN202420621016.3
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-03-27
Publication Date: 2025-03-25
Estimated Expiration: 2034-03-27

Application Information

Patent Timeline

27 Mar 2024

Application

CN202420621016.3

25 Mar 2025

Publication

CN222657152U

IPC: A61B17/68; A61B17/86; A61B17/80

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Application Domain

Internal osteosythesis Fasteners

Technology Topics

Iliac screw Fractured bone

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AI Technical Summary

Technical Problem

Existing bone screws are difficult to sink the nut into the hole when implanted, and excessive tightening may damage the nut.

Method used

A bone screw including a screw body, a nut and a top cap is designed, and a groove is formed between the nut and the top cap, allowing the nut to sink into the hole after implantation, and avoiding the height of the bone surface by cutting the top cap.

Benefits of technology

The nut is easily sink and tightly combined, avoiding the nut from being above the bone surface, ensuring good pressurization effect and no damage to the screws.

✦ Generated by Eureka AI based on patent content.

Patent Text Reader

Abstract

The utility model relates to a bone screw and a fracture fixation system adopting the bone screw. The bone screw comprises a screw body, a nut and a top cap which are integrally formed, the nut is formed at the rear end of the screw body, the rear end of the nut is connected with the top cap, and a circle of groove is formed between the nut and the top cap. According to the bone screw and the fracture fixation system adopting the bone screw, by means of the double-end design of the bone screw, the bone screw can be prevented from being damaged due to excessive tightening, the top cap can be conveniently cut off after the bone screw is screwed in, the situation that the top cap is excessively higher than the bone surface part is avoided, the effective nut part sinks in a hole to form tight combination, and the fracture fixation effect is improved. The pressurizing effect is good.

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