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Wedge-shaped pressurizing biological single-compartment knee joint tibial plateau

A tibial platform, bio-based technology, applied in the direction of artificial legs, etc., can solve the problems of poor initial stability of the tibial platform prosthesis, and achieve the effect of convenient manufacture and simple structure

Pending Publication Date: 2021-01-15
JIASITE HUAJIAN MEDICAL EQUIP (TIANJIN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a wedge-shaped pressurized biological single-compartment knee joint tibial plateau with simple structure, convenient manufacture, and can solve the problem of poor initial stability of the tibial plateau prosthesis

Method used

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  • Wedge-shaped pressurizing biological single-compartment knee joint tibial plateau
  • Wedge-shaped pressurizing biological single-compartment knee joint tibial plateau
  • Wedge-shaped pressurizing biological single-compartment knee joint tibial plateau

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Embodiment Construction

[0036] A wedge-shaped pressurized biological unicompartment tibial platform of the knee joint, which includes a tibial platform 1, an anti-rotation rib 4 and a pressurized and fixed connector 3, the lower surface of the tibial plateau is provided with a connecting channel 2, and the pressurized and fixed connector is inserted At the connection channel, the pressurized and fixed connector includes a guide rail 3-1, a bracket 3-2 and a blade 3-5, the guide rail is fixed above the bracket, the blade is fixed below the bracket, and the guide rail is inserted into the connection channel. The front end of the blade is inclined downward to form a diverging angle with the guide rail. The anti-rotation rib includes a solid part 4-1 of the rib and a porous part of the rib. The solid part of the rib is fixed on the side of the connecting channel on the lower surface of the tibial plateau, and the porous part of the rib covers the periphery of the solid part of the rib. Through the combin...

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Abstract

The invention relates to the field of medical instrument design, in particular to a wedge-shaped pressurizing biological type single-compartment knee joint tibial plateau. The wedge-shaped pressurizing biological type single-compartment knee joint tibial plateau comprises a tibial plateau body, an anti-rotation rib plate and a pressurizing fixing connecting piece, a connecting channel is formed inthe lower surface of the tibial plateau, the pressurizing fixing connecting piece is inserted into the connecting channel, the pressurizing fixing connecting piece comprises a guide rail, a support and a blade, the guide rail is fixed above the support, the blade is fixed below the support, the guide rail is inserted into the connecting channel, the front end of the blade is obliquely arranged downwards, the anti-rotation rib plate comprises a rib plate solid part and a rib plate porous part, the rib plate solid part is fixedly arranged on the lower surface of the tibial plateau, and the ribplate porous part wraps the rib plate solid part. According to the device provided by the invention, the tibial plateau and the pressurizing fixing connecting piece are combined for use, so that the problem of poor initial stability of the existing biological single-compartment knee joint tibial plateau is solved, and the initial and long-term stability is further enhanced through the auxiliary effect of the anti-rotation rib plate.

Description

technical field [0001] The invention relates to the field of medical device design, in particular to a wedge-shaped pressurized bio-type unicompartment knee joint tibial platform. Background technique [0002] Some patients have partially damaged or diseased knee joints and only need replacement of the damaged or diseased knee joint. At present, the fixation methods of unicompartmental prosthesis can be divided into cement fixation and biological fixation. The advantage of bone cement is that the effect is reliable, especially in the initial stage, the bone cement monomer polymerizes and expands and penetrates into the trabecular bone, which can strengthen the cancellous bone, thereby expanding the range of stress conduction, thereby increasing the tolerance to the doctor's technical deviation and bone quality . However, bone cement is an inert material for the human body, and it can only form a mechanical bond with bone tissue or joint prosthesis, which will inevitably fa...

Claims

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Application Information

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IPC IPC(8): A61F2/64
CPCA61F2/64
Inventor 刘念张月静王献抗杨友
Owner JIASITE HUAJIAN MEDICAL EQUIP (TIANJIN) CO LTD
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