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Tibia guide plate for total knee arthroplasty and use method of tibia guide plate

A technology for total knee joint replacement and surgery, which is applied in the field of tibial bone guide plates for total knee replacement surgery, can solve the problems of low accuracy of osteotomy positioning, and achieve the effects of improving safety and success rate, simple structure and convenient operation.

Active Publication Date: 2021-05-28
LONGWOOD VALLEY MEDICAL TECH CO LTD +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention provides a tibial guide plate for total knee joint replacement surgery and its use method, which is used to solve the defect of low accuracy of osteotomy positioning in total knee joint replacement surgery in the prior art, and realize the accuracy of osteotomy positioning of the tibial guide plate. Improving the success rate of total knee replacement surgery

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  • Tibia guide plate for total knee arthroplasty and use method of tibia guide plate
  • Tibia guide plate for total knee arthroplasty and use method of tibia guide plate
  • Tibia guide plate for total knee arthroplasty and use method of tibia guide plate

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Embodiment Construction

[0038] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.

[0039] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing this The embodiments and simplified descriptions of the invention do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed a...

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Abstract

The invention provides a tibia guide plate for total knee arthroplasty and a use method thereof. The tibia guide plate for total knee arthroplasty comprises a tibia guide plate body, a tibia osteotomy groove is formed in the first side of the tibia guide plate body, the tibia osteotomy groove penetrates through one end of the tibia guide plate body, and a sickle blade is inserted into the tibia osteotomy groove; a fitting groove is formed in the second side of the tibia guide plate body; and a force line rod fixing plate parallel to the tibia osteotomy groove is arranged at one end of the tibia guide plate body, and a force line rod inserting hole capable of allowing a force line rod to be inserted is formed in the end, away from the tibia guide plate body, of the force line rod fixing plate. By arranging the fitting groove, alignment fitting with the front inner side of the tibia is achieved, accurate positioning assembly of the tibia guide plate and the tibia is guaranteed, the tibia osteotomy groove is aligned with the tibia osteotomy face, the sickle blade is inserted into the tibia osteotomy groove, the tibia osteotomy amount is accurately verified, and accurate positioning of osteotomy of an operation is guaranteed; and the safety and success rate of a sugery are improved, and the tibia guide plate is simple in structure, convenient to operate and accurate in positioning.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a tibial guide plate for total knee joint replacement and a method for using the same. Background technique [0002] The success of total knee arthroplasty (TKA) depends on the positioning, clearance and soft tissue balance of the knee joint, all of which depend on the correct placement of the prosthesis. In traditional TKA surgery, the deviation of the lower limb force line is only judged according to the knee joint X-ray or CT before operation, which affects the angle judgment and may lead to surgical errors. At the same time, most of the traditional osteotomy positioning is achieved through TKA embracing instruments. There are many surgical instruments, heavy weight, and complicated assembly methods, which cannot guarantee the accuracy of positioning. Contents of the invention [0003] The present invention provides a tibial guide plate for total knee joint replacem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/17
CPCA61B17/1732A61B17/1764
Inventor 张逸凌刘星宇
Owner LONGWOOD VALLEY MEDICAL TECH CO LTD
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