Arthroscope assisted femoral head necrosis drilling decompression positioning device

By designing an arthroscopic-assisted drilling decompression and positioning device for femoral head necrosis, and utilizing components such as the handle body, positioning unit, and drilling unit, the problems of positioning and multi-hole adjustment in the treatment of femoral head necrosis were solved, achieving precise positioning and effective drilling of multiple holes, thus improving the treatment effect.

CN224403720UActive Publication Date: 2026-06-26THE 984TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE
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Patent Information

Application Number
CN202520715500.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-16
Publication Date
2026-06-26
Estimated Expiration
2035-04-16

AI Technical Summary

Technical Problem

In existing technologies, effective positioning and multi-hole adjustable drilling are not possible during the treatment of avascular necrosis of the femoral head, resulting in poor treatment outcomes.

Method used

An arthroscopic-assisted drilling decompression and positioning device for femoral head necrosis was designed, comprising components such as a handle body, positioning unit, drilling unit, limiting sleeve, pressing rod, moving frame, fixing rod and spring, etc., which achieve multi-hole positioning and adjustment through the synergistic effect of these components.

Benefits of technology

It enables precise positioning and adjustment of the perforations during the treatment of avascular necrosis of the femoral head, improving the treatment effect and ensuring the accuracy of the drilling position and the effectiveness of the perforations.

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Abstract

The utility model discloses an arthroscope assisted femoral head necrosis drilling decompression positioning device, which relates to the technical field of medical instruments, and comprises a handle main body, a positioning unit is arranged in the handle main body, a drilling unit is arranged on one side of the positioning unit, and the drilling unit comprises a fixing frame and an adjusting assembly. The fixing frame is arranged on one side of the positioning unit, the adjusting assembly is arranged in the fixing frame and comprises a limiting sleeve, a pressing rod is slidably connected into the limiting sleeve, one end of the pressing rod is fixedly connected with a moving frame, and the two sides of the moving frame are slidably connected into the limiting sleeve. And one side of the movable frame is fixedly connected with a fixed rod. Through the arrangement of the limiting sleeve, the pressing rod, the movable frame, the fixed rod and the spring, in the drilling process, the effect of drilling work of multiple channels is facilitated, and meanwhile, each channel corresponds to one drilling position, so that the treatment effect is further improved.
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