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Adjustable knee joint replacement gasket test body

An adjustable technology for knee joint replacement, applied in the direction of joint implants, joint implants, prostheses, etc., to achieve the effect of reducing disinfection and supply costs, shortening operation time, and simplifying operation steps

Pending Publication Date: 2021-07-20
PEKING UNIV THIRD HOSPITAL +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this application is to provide an adjustable knee joint replacement spacer test body to solve the technical problem existing in the prior art that requires repeated replacement of different types of spacer test bodies for spacer type testing

Method used

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  • Adjustable knee joint replacement gasket test body
  • Adjustable knee joint replacement gasket test body
  • Adjustable knee joint replacement gasket test body

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Embodiment Construction

[0038] The technical solutions of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present application, but not all of them.

[0039] The components of the embodiments of the application generally described and shown in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application.

[0040] Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0041] In the description of this application, it should be noted that the...

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Abstract

The invention relates to the technical field of medical auxiliary instruments, in particular to an adjustable knee joint replacement gasket test body which comprises a test body base which is hollow inside to form an accommodating space; a test body upper shell buckled on the test body base; a first jacking mechanism arranged in the accommodating space and abutting against the test body upper shell; a second jacking mechanism arranged in the accommodating space and abutting against the test body upper shell; and a transmission mechanism in transmission connection with the first jacking mechanism and the second jacking mechanism and used for driving the first jacking mechanism and the second jacking mechanism to move relative to the test body base so as to adjust the distance between the test body upper shell and the test body base. According to the adjustable knee joint replacement gasket test body, the thickness is adjusted through the rotary knob, the optimal gasket model needed by knee joint replacement can be obtained through one-time installation, repeated replacement of the gasket test body in the operation is avoided, the operation steps are simplified, and the operation time is shortened; various models of gasket test bodies do not need to be disinfected for later use, and the disinfection and supply cost is reduced.

Description

technical field [0001] The present application relates to the technical field of medical auxiliary devices, in particular to an adjustable knee joint replacement spacer test body. Background technique [0002] Total knee arthroplasty is an effective measure to treat diseases such as severe osteoarthritis; in total knee arthroplasty, choosing an appropriate type (ie thickness) of highly cross-linked polyethylene spacers is important for the balance of knee joint flexion and extension gap, joint Appropriate line height and good joint range of motion are of great significance, and they are important influencing factors of postoperative knee flexion and extension function, pain condition, and patient satisfaction. However, at present, the process of performing gasket type testing by repeatedly replacing different types of gasket specimens is time-consuming and laborious, and various types of gasket specimens need to be sterilized for backup, and the cost of disinfection and supp...

Claims

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Application Information

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IPC IPC(8): A61F2/46
CPCA61F2/4657
Inventor 王鑫光田华王程李杨李新宇苏永琳王彩梅
Owner PEKING UNIV THIRD HOSPITAL
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