Customized compound bone cutter for femoral condyle

Abstract

The invention relates to a customized compound bone cutter for femoral condyle which is used for cutting the bone of the femoral condyle in knee surgery. The customized compound bone cutter for femoral condyle comprises a paracondyloid positioning surface, a remote-end positioning surface, a paracondyloid fixing hole, a paracondyloid fixing inclined hole, a remote-end fixing inclined hole, a force line inspection line, a femoral condyle prosthesis positioning hole, a femoral condyle remote-end bone cutting groove, a paracondyloid bone cutting groove, a front inclined-surface bone cutting groove, a hypocondyle bone cutting groove, a rear inclined-surface bone cutting groove and an intercondylar bone cutting groove; the femoral condyle model number is determined by virtue of preoperative planning based on the CT data of a patient, and then the contact surface, the fixed point and each cutting surface can be determined; the customized compound bone cutter for femoral condyle has the advantages that various parameters are more accurate, the used operating tools are greatly reduced, the operating time is greatly shortened, the infection risk is reduced, pulp exposing is avoided, wound is reduced, and the dependency on the experience of a doctor is reduced; as a result, the customized compound bone cutter for femoral condyle is especially suitable for operations not suitable for conventional operating tools.

Description

technical field [0001] The invention relates to a surgical tool for knee joint replacement, in particular to a custom-made composite femoral condyle osteotomy device. Background technique [0002] With the continuous advancement of medical technology, artificial knee replacement surgery has gradually become a relatively common surgical operation. Osteotomy of the femur usually requires pulpectomy, and many surgical tools are used. A full set of preparations is required, so more surgical tools and prostheses need to be prepared, the operation time is relatively long, the risk of infection is relatively high, and the dependence on the doctor's experience is relatively large. Especially for deformed femoral condyle surgery, the difficulty of surgery is greatly increased, and the accuracy of surgery is greatly reduced. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned defects and provide a set of custom-made femoral cond...

AI Technical Summary

Problems solved by technology

[0002] With the continuous advancement of medical technology, artificial knee replacement surgery has gradually become a relatively common surgical operation. Osteotomy of the femur usually requires open pulp, and many surgical tools are used. A full set of preparations is required, so more surgical tools and prostheses need to be prepared, the operation time is relatively long, the risk of infection is relatively high, and the dependence on the doctor's experience is relatively large, especially for deformed femoral condyles. The difficulty of surgery is greatly increased, and the accuracy of surgery is greatly reduced

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