Knee joint gap balance measuring device for total knee arthroplasty

A technology of total knee replacement and measurement device, applied in joint implants, joint implants, etc., can solve the problem that doctors cannot get intuitive feedback from pressure data

Inactive Publication Date: 2022-07-15
THE PEOPLES HOSPITAL SHAANXI PROV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a knee joint gap balance measurement device for total knee replacement, which is used to solve the problem in the prior art that only displaying pressure data cannot enable doctors to obtain intuitive feedback

Method used

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  • Knee joint gap balance measuring device for total knee arthroplasty
  • Knee joint gap balance measuring device for total knee arthroplasty
  • Knee joint gap balance measuring device for total knee arthroplasty

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Embodiment Construction

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Figure 1-5 A schematic structural diagram of a knee joint gap balance measurement device provided in an embodiment of the present invention. The embodiment of the present invention provides a knee joint gap balance measurement device for total knee arthroplasty, including:

[0021] fixing plate 100;

[0022] The movable plate 200 is disposed opposite to the fixed plate 100, and the movable plate 200 and the fixed plate 100 a...

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Abstract

The invention discloses a total knee arthroplasty knee joint gap balance measuring device. The device comprises a fixing plate; the movable plate is arranged opposite to the fixed plate, a driving mechanism is arranged between the fixed plate and the movable plate, and a pressure sensor is arranged on the movable plate; the handle is arranged on the side face of the fixed plate, a deflector rod is rotatably arranged on the handle, one end of the deflector rod is inserted into the handle, a driving rod is slidably arranged in the handle, the tail end of the driving rod extends out of the handle and is connected with a driving mechanism, and the deflector rod drives the driving rod to move when rotating so as to adjust the distance between the fixed plate and the movable plate. And a display unit is arranged on the handle and is used for displaying the pressure detected by the pressure sensor. The distance between the fixed plate and the movable plate is adjusted in a manual control mode, so that a doctor not only can know the pressure from actual pressure data, but also can intuitively know the pressure conditions inside and outside the articular bone from the force fed back by the driving lever, and a reliable basis is provided for the doctor to perform targeted treatment.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a knee joint gap balance measuring device for total knee joint replacement. Background technique [0002] Total knee arthroplasty is an effective treatment for knee osteoarthritis. During the procedure, it is necessary not only to ensure the matching of the tibia and femur, but also to ensure the proper pressure on the joint bone. [0003] In order to determine whether the pressure of the joint bone is suitable, the patent application number CN201911028774.4 discloses a measuring device, which has a processing tool and a pressure measuring device, and the pressure measuring device in the patent can adjust and process the distance between the tooling , to measure the pressure inside and outside the joint bone. [0004] However, in the above patent, a linear motion device is used to adjust the distance between the processing tool and the pressure measuring device, and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/46
CPCA61F2/4657A61F2/461A61F2002/4666
Inventor 陈明杨波张博睿
Owner THE PEOPLES HOSPITAL SHAANXI PROV
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