Orthopedic surgery channel expansion device

By designing an orthopedic surgical channel expansion device including a first adjustment plate and a second adjustment plate, one-hand synchronous adjustment is achieved by using the cooperation of the main expansion mechanism and the secondary expansion mechanism, and the problem of low adjustment efficiency of the existing device is solved. Improves adjustment efficiency and adaptability.

CN222444192UActive Publication Date: 2025-02-11HANGZHOU NORMAL UNIVERSITY
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Patent Information

Application Number
CN202420575932.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-25
Publication Date
2025-02-11
Estimated Expiration
2034-03-25

AI Technical Summary

Technical Problem

The existing orthopedic surgical channel expansion devices need to be adjusted one by one during adjustment, resulting in low regulation efficiency.

Method used

An orthopedic surgical channel expansion device including a first adjustment plate and a second adjustment plate is designed, and the function of one-hand synchronous adjustment is realized through the cooperation of the main expansion mechanism and the auxiliary expansion mechanism.

Benefits of technology

The adjustment efficiency of the device is improved, the adaptability of the device is enhanced, and the channel expansion adjustment can be performed more quickly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an orthopedic surgery channel expansion device which comprises a first adjusting plate and a second adjusting plate, the second adjusting plate is arranged on one side of the first adjusting plate, a main expansion mechanism is arranged at the joint of the first adjusting plate and the second adjusting plate, and auxiliary expansion mechanisms are arranged in the first adjusting plate and the second adjusting plate. The auxiliary expansion mechanism comprises two expansion plates and a sliding block, the sliding block is fixedly arranged on one side of each expansion plate, sliding grooves are symmetrically formed in the two sides of each sliding block, insection protrusions are arranged on the sides, away from the expansion plates, of the sliding blocks, a wedging plate is arranged on the other side of each insection protrusion, and an extension rod is arranged on the other side of each wedging plate. A rotating rod penetrates through the interior of the wedging plate; the rotating disc is matched with the rotating button, the transmission rod is used for driving the extension rod to move, so that the matching plate is turned over with the rotating rod as the circle center and is matched with the insection at the same time, the sliding block moves along the protruding block through the sliding groove, and closing of the expansion plate is achieved.
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Citation Information

Patent Citations

  • Cervical vertebra expansion channel device

    CN205831839U