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A mid-tibial prosthesis

A technology of prosthesis and tibia, which is applied in the direction of skull and bone implants, can solve the problems of high risk of tibial prosthesis implantation, operation failure, and hidden dangers of patients' lives, so as to improve the success rate of surgery, prevent acute infection, avoid The Effect of Surgical Risk

Active Publication Date: 2018-01-02
嘉善罗星创业投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the patient has a large tibial defect, the prognosis is often poor
Because the surface cortex of the tibia is relatively thin and the blood supply is insufficient, if conventional prostheses are used, it is easy to cause repeated infections and affect postoperative recovery, and the bones of the tibia are thin, and the fixed site is prone to fall off after using the prosthesis, resulting in prosthesis failure. displacement, surgical failure
Even if the recovery is good, a large impact in the follow-up life process may cause the exposure of the prosthesis and bring hidden dangers to the patient's life
The larger the defect, the greater the risk of tibial prosthesis implantation and the higher the difficulty of surgery. Therefore, many patients give up using tibial prosthesis clinically, resulting in permanent disability
Currently there is no prosthesis specifically for the mid-tibial

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 As shown, a prosthesis in the middle part of the tibia is divided into a main body section 1 and a fixed section. The front end surface of the human body is concave in the main section 1. connect.

[0027] Furthermore, the said main body segment 1 is spiral.

[0028] Furthermore, the upper fixing section is provided with a tapered inner filling fixing end 2 and an extended fixing plate 3 , and the lower fixing section is provided with a tapered inner filling fixing end 2 .

[0029] Furthermore, the extended fixing plate 3 is provided with a claw 4 .

[0030] Furthermore, the said holding claw 4 is fixed by a pair of clamps.

[0031] Furthermore, the main body section 1 and the fixed section are provided with an antibacterial coating 5 .

[0032] Furthermore, the holding claw 4 is arc-shaped.

Embodiment 2

[0034] Such as figure 2 As shown, a prosthesis in the middle part of the tibia is divided into a main body section 1 and a fixed section. The front end surface of the human body is concave in the main section 1. connect.

[0035] Furthermore, the said main body segment 1 is spiral.

[0036] Furthermore, the upper and lower fixing sections are provided with tapered inner filling fixing ends 2 and extended fixing plates 3 .

[0037] Furthermore, the extended fixing plate 3 is provided with a claw 4 .

[0038] Furthermore, the said holding claw 4 is fixed by a pair of clamps.

[0039] Furthermore, the holding claw 4 is arc-shaped.

Embodiment 3

[0041] Such as image 3 As shown, a prosthesis for the middle part of the tibia is divided into a main body section 1 and a fixed section. The front end surface of the human body is concave in the main section. .

[0042] Furthermore, the said main body segment 1 is spiral.

[0043] Furthermore, the upper fixing section and the lower fixing section are provided with tapered inner filling fixing ends 2 .

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Abstract

The invention designs a bone prosthesis and particularly relates to a middle tibia prosthesis. The middle tibia prosthesis comprises a main section and a fixing section, wherein the front end surface, facing a human body, of the main section is inwards recessed, and the fixing section is divided into an upper fixing section and a lower fixing section which are connected through the main section. The middle tibia prosthesis aims to solve the problem of bone coloboma of middle tibia, is good in fixing effect and high in bearing capability, cannot be easily infected and has certain resistance to front impact.

Description

technical field [0001] The present invention relates to skeletal prostheses, particularly mid-tibial prostheses. Background technique [0002] Bone defects can be caused by trauma or infection. At present, bone replacement is commonly used, including bone transplantation and prosthesis implantation. Prostheses with different shapes for different bone parts are usually implanted by internal fixation. If the patient has a large segmental defect of the tibia, the prognosis is often poor. Because the surface cortex of the tibia is relatively thin and the blood supply is insufficient, if conventional prostheses are used, it is easy to cause repeated infections and affect postoperative recovery, and the bones of the tibia are thin, and the fixed site is prone to fall off after using the prosthesis, resulting in prosthesis failure. Displacement, surgery failed. Even if the recovery is good, large impacts in the follow-up life process may cause the prosthesis to be exposed, bring...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/28
CPCA61F2/28A61F2002/2892
Inventor 王涛
Owner 嘉善罗星创业投资有限公司
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