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Tibial tray prosthesis

A tibial support and prosthesis technology, applied in the direction of prosthesis, skull, bone implants, etc., can solve the problem that the prosthesis cannot fully cover the cortical bone area, the prosthesis is not well supported, and the prosthesis sinks and loosens And other issues

Pending Publication Date: 2020-07-31
SUZHOU MICROPORT ORTHORECON CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Prosthesis loosening and postoperative pain are the main reasons for revision of unicompartmental knee arthroplasty, and poor prosthesis coverage is an important reason for prosthesis loosening and postoperative pain. Poor prosthesis coverage means that the prosthesis cannot fully cover the cortical bone area , so that the prosthesis is not well supported, it is easy to cause the prosthesis to sink and loosen after the operation, and the prosthesis protrudes outward, interfering with the surrounding soft tissue, and causing postoperative pain

Method used

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Embodiment Construction

[0034] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0035] In order to better illustrate the technical solution of the present invention, first, the orientation names involved in each embodiment are explained:

[0036] Sagittal plane: refers to the longitudinal section that divides the human body or prosthesis into left and right parts fro...

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Abstract

The invention relates to a tibial tray prosthesis. The tibial tray prosthesis is characterized by comprising a front-rear diameter A and a left-right diameter B, wherein the front-rear diameter A is in an increasing trend along with the increase of the left-right diameter B, and the ratio A / B of the front-rear diameter A to the left-right diameter B is in a decreasing trend along with the increase of the left-right diameter B. The tibial tray prosthesis can be closer to the anatomical shape of the knee tibia of the human body, so that the coverage rate of the tibial tray prosthesis is increased, and the probability of prosthesis loosening and postoperative pain of a patient is reduced.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a tibial tray prosthesis. Background technique [0002] Unicompartmental replacement uses a minimally invasive incision while preserving the anterior and posterior cruciate ligaments of the knee joint. It has the advantages of less trauma, faster recovery, and better postoperative physiological activity. Therefore, unicompartmental replacement is widely used in unicompartmental surgery. In the treatment of osteoarthritis. The unicondylar prosthesis used in unicompartmental replacement can be divided into medial femoral prosthesis and medial tibial prosthesis used to replace the medial compartment, and lateral femoral prosthesis and lateral tibial prosthesis used to replace the lateral compartment. [0003] Prosthesis loosening and postoperative pain are the main reasons for revision of unicompartmental knee arthroplasty, and poor prosthesis coverage is an important r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/38
CPCA61F2/389A61F2002/2892A61F2250/0039
Inventor 赵开宇孙延东史忠兵鄢正清
Owner SUZHOU MICROPORT ORTHORECON CO LTD
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