Femoral guide plate for total knee replacement surgery and using method thereof

Abstract

The invention provides a femoral guide plate for total knee replacement surgery and a using method thereof. The femoral guide plate comprises a femoral guide plate body, a first side of the femoral guide plate body is provided with a distal femur osteotomy groove aligned with a distal femur osteotomy surface and a preartis osteotomy groove aligned with a femur preartis osteotomy surface, a first sickle blade capable of verifying the distal femur osteotomy amount is inserted into the distal osteotomy groove, a second sickle blade capable of verifying the preartis osteotomy amount is inserted into the preartis osteotomy groove, a femur preartis fitting area is arranged at a first end of a second side, opposite to a first side, of the femur guide plate body, a second end of the second side, opposite to the first side, of the femoral guide plate body is provided with a femur medial condyle fitting area and a femur lateral condyle fitting area. The femoral guide plate is accurately positioned and installed, the distal femur osteotomy amount and the preartis osteotomy amount are accurately verified, accurate positioning of osteotomy in an operation is guaranteed, and the safety and the success rate of the operation are improved.

Description

technical field [0001] The invention relates to the technical field of total knee replacement, in particular to a femoral guide plate for total knee replacement and a method for using the same. Background technique [0002] The success of total knee arthroplasty (TKA) depends on the alignment, clearance, and soft tissue balance of the knee joint, all of which depend on the correct placement of the prosthesis. In traditional TKA surgery, preoperative prediction is only based on knee joint X-rays or CT to judge the deviation of the force line of the lower limbs, femoral valgus angle, femoral external rotation angle, etc., and the rotation of the knee joint will also affect the angle judgment, which may cause lead to surgical errors. At the same time, the mechanical axis of the femur is not consistent with the anatomical axis. Traditionally, most osteotomy positioning is achieved by keeping the femoral valgus angle fixed, so when the femoral side is arched or deformed, it may ...

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a femoral guide plate for total knee joint replacement surgery and its use method, which is used to solve the defect of poor osteotomy positioning accuracy in total knee joint replacement surgery in the prior art, realize the accuracy of osteotomy positioning of the femoral guide plate, and improve Success Rates of Total Knee Replacement Surgery

Images