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Knee joint multi-parameter measuring system based on total knee arthroplasty

A technology for total knee replacement and measurement system, which is applied in the directions of diagnostic recording/measurement, medical science, sports accessories, etc., and can solve problems such as difficulty in accurately grasping gap balance

Pending Publication Date: 2022-01-14
BEIJING YIMAI MEDICAL TECH CO LTD +1
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  • Application Information

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Problems solved by technology

[0004] For this reason, the present invention provides a knee joint multi-parameter measurement system based on artificial total knee arthroplasty to solve the problem that it is difficult to accurately grasp the gap balance in the existing artificial total knee arthroplasty process

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  • Knee joint multi-parameter measuring system based on total knee arthroplasty
  • Knee joint multi-parameter measuring system based on total knee arthroplasty
  • Knee joint multi-parameter measuring system based on total knee arthroplasty

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Embodiment 1

[0032] refer to figure 1 , the present embodiment discloses a knee joint multi-parameter measurement system based on artificial total knee arthroplasty, the system includes: a matrix pressure sensor array 1, an attitude measurement device 2, a contact trajectory measurement device 3 and a data processing device 4 .

[0033] The matrix pressure sensor array 1 is used to place it on the osteotomy plane of the lower extremity of the patient's knee joint during the doctor's operation, acquire pressure signals, and send the measured data to the data processing device 4;

[0034] The posture measurement device 2 is used to place it on the osteotomy plane of the lower limb of the patient's knee joint during the doctor's operation, to obtain the posture signal of the lower limb, including the turning angle and deflection angle of the lower limb, and send the measured data to the data center. Processing device 4;

[0035] The contact trajectory measuring device 3 is used for placing ...

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Abstract

The invention discloses a knee joint multi-parameter measuring system based on total knee arthroplasty. The system comprises a matrix type pressure sensor array which is used for being placed on a lower limb osteotomy plane of a knee joint of a patient in an operation process of a doctor to obtain a pressure signal, a posture measuring device which is used for being placed on the lower limb osteotomy plane of the knee joint of the patient in the operation process of the doctor to obtain posture signals of the lower limb, a contact type track measuring device which is used for being placed on the lower limb osteotomy plane of the knee joint of the patient in the operation process of the doctor to obtain related motion track data, and a data processing device, wherein the data measured by the matrix type pressure sensor array, the posture measuring device and the contact type track measuring device is sent to the data processing device, a tibia spacer is temporarily replaced in the operation process, the tibia spacer is taken out after the pressure and the posture are balanced, and a proper tibia spacer is placed in the tibia spacer. The problem that gap balance is difficult to accurately grasp in the existing artificial total knee joint replacement process is solved.

Description

technical field [0001] The invention relates to the technical field of knee joint replacement, in particular to a knee joint multi-parameter measurement system based on artificial total knee replacement. Background technique [0002] Artificial knee replacement is a new technology for treating knee joint diseases gradually developed after modern artificial hip joints were successfully applied to patients. It can effectively eradicate advanced knee joint pain and greatly improve the quality of life of patients. [0003] One of the key links to the success of total knee arthroplasty (TKA) is to obtain a good balance of the joint space. In recent years, the use of space pressure measurement technology to explore the gap balance in total knee arthroplasty has become one of the research hotspots in the improvement of total knee arthroplasty. , in order to help doctors better judge the gap balance, researchers try to apply quantitative data to evaluate the joint space pressure. D...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/11A61B5/107A61B5/22
CPCA61B5/11A61B5/22A61B5/1077A61B5/1072
Inventor 朱斌杰张岳
Owner BEIJING YIMAI MEDICAL TECH CO LTD
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