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Knee osteotomy angle measuring device

An angle measuring device and knee joint technology are applied in the field of medical devices to achieve the effects of accurately measuring data, ensuring the success rate of osteotomy, and avoiding measurement errors.

Active Publication Date: 2021-07-27
武汉拓思瑞医疗科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is currently no surgical instrument specifically for measuring osteotomy angles

Method used

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  • Knee osteotomy angle measuring device
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Embodiment Construction

[0014] Below in conjunction with accompanying drawing, specific embodiment of the present invention is described in further detail:

[0015] A knee joint osteotomy angle measuring device designed by the present invention comprises a bottom plate 1 and a top plate 2, the sides of the bottom plate 1 and the top plate 2 are hinged, and two sets of pressure sensors are arranged on the top plate 2 corresponding to the femoral head of the knee joint 3. The knee joint osteotomy angle measurement device further includes a lifting mechanism 4, which is used to rotate and lift the top plate 2 along the hinge point.

[0016] The lifting mechanism 4 can be a lifting tong, the end of which is inserted between the bottom plate 1 and the top plate 2 . The bottom plate 1 and the top plate 2 are respectively provided with fixing slots 6 for inserting the ends of the lifting mechanism 4 . The lifting mechanism 4 is provided with a rack mechanism 5 for precisely controlling the lifting angle. ...

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Abstract

The invention discloses a knee joint osteotomy angle measuring device, which comprises a bottom plate and a top plate, the sides of the bottom plate and the top plate are hinged, two groups of pressure sensors are arranged on the top plate corresponding to the femoral head of the knee joint, and the knee joint The osteotomy angle measurement device also includes a lifting mechanism, which is used to rotate and lift the top plate along the hinge point, and the pressure sensor is an array pressure sensor. The invention can conveniently and quickly measure the osteotomy angle during knee joint replacement, improve the success rate of operation and shorten operation time.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a knee joint osteotomy angle measuring device. Background technique [0002] The knee joint is the most complex multi-axis motion joint in human anatomy. With the aging of our society, there are more and more patients with knee joint diseases. At present, artificial knee replacement has become a commonly used clinical method for the treatment of various advanced complex knee diseases, and has achieved good results. However, along with the extensive development of this operation, the problems caused thereby are also increasing day by day. According to reports, the incidence of patellofemoral joint complications after total knee arthroplasty is 1.5%-12%, accounting for 50% of the reasons for artificial knee joint revision, becoming one of the most common reasons for knee joint revision. Reconstructing the accurate rotational force line of the femoral prosthesis in tot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/16A61B90/00
CPCA61B17/1657A61B17/1675A61B90/06A61B2090/064A61B2090/067
Inventor 田洪涛童伟冯晓波贾杰魏玉龙姚祥俊
Owner 武汉拓思瑞医疗科技有限公司
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