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Self-fixing tibial plateau fracture pressurizer

A technology of tibial platform and pressurizer, which is applied in the direction of fixators, internal fixators, fastening devices, etc., can solve the problems that limit the comprehensive development of minimally invasive technology, and achieve good invention transformation value, convenient operation, and good promotion and use. Effect

Inactive Publication Date: 2018-10-12
THE THIRD HOSPITAL OF HEBEI MEDICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This key problem has not been satisfactorily resolved, thus limiting the comprehensive development of minimally invasive techniques in the treatment of tibial plateau fractures to a large extent, and it is very necessary to adopt new technical measures to solve them

Method used

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  • Self-fixing tibial plateau fracture pressurizer
  • Self-fixing tibial plateau fracture pressurizer
  • Self-fixing tibial plateau fracture pressurizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The present invention consists of a pressurized sleeve 1, a fixed embolus 2, and an embolus ejector rod 3.

[0017] figure 1 , 2 , 3 shows that one end of the pressurized sleeve 1 is open, and the other end is closed by the pressurized cap 4 . The inner wall of the pressurizing sleeve 1 has thread to match the thread of the pressurizing bolt 7, the length of the pressurizing sleeve 1 is less than the length of the pressurizing bolt 7, and the front end edge of the pressurizing sleeve is sharp, which is convenient for entering the tibia 8. The outer diameter of pressurizing cap 4 is greater than the outer diameter of pressurizing sleeve 1, and the center of pressurizing cap 4 has screwdriver jack 6, and the edge of the top surface of pressurizing cap 4 is smooth circular arc shape, reduces and tibia 8 outside Soft tissue friction.

[0018] figure 1 , 2 , 3 shows that there are two ejector pin holes 5 in the sleeve wall of the pressurized sleeve 1, and the two ejecto...

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Abstract

The invention discloses a self-fixing tibial plateau fracture pressurizer, belongs to the technical field of orthopedic medical devices, and is used for pressurizing and fixing tibial plateau resetting. According to the technical scheme, an opening is formed in one end of a pressing sleeve, the other end is closed by a pressing cap, the inner wall of the pressing sleeve with a thread is screwed ona pressing bolt, the pressing cap is located on the side surface of a tibial plateau, ejector holes are formed in the two sides of the inner wall of the pressing sleeve, the front portions of the ejector holes are bent to the outside of the pressing sleeve, an opening is formed in the outer wall of the pressing sleeve, the ejector holes are internally provided with threads, embolism ejectors areelongated screws, two fixing embolisms are respectively located in the curved portions at the front ends of the two ejector holes, the embolism ejectors rotate in the ejector holes to push the fixingembolisms outward from the side wall of the pressurizing sleeve, bones of the outer circumference of the pressurizing sleeve are stuck to prevent the pressurizing sleeve from retreating, and the pressure of the pressing bolt and the pressing sleeve against tibia is maintained. The pressurizer has the advantages of simple structure, convenient operation and reliable fixation, and can maintain the pressing state of the pressing bolt to achieve a satisfactory reset effect.

Description

technical field [0001] The invention relates to a device for pressurizing tibial plateau fractures through the skin, and belongs to the technical field of orthopedic medical devices. Background technique [0002] Tibial plateau fractures mostly occur in high-energy trauma, such as falling from heights, car accidents, and falls. Since the tibial plateau is an important load-bearing structure of the lower limbs, when it is subjected to severe vertical, varus, and valgus violence, it often causes bone structure damage, often manifested as split fractures of the tibial plateau, with or without articular surface collapse, severe In some cases, knee joint dislocation and metaphyseal comminution may occur, and the soft tissues around the knee joint and joint stable structures (medial and lateral collateral ligaments, menisci and cruciate ligaments) will also be affected. Therefore, the treatment of tibial plateau fractures has always been a hot and difficult point in trauma orthop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/68A61B17/86
CPCA61B17/683A61B17/685A61B17/86A61B2017/681
Inventor 郑占乐张英泽于贤邢欣
Owner THE THIRD HOSPITAL OF HEBEI MEDICAL UNIV
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