Method and instrumentation for patello-femoral joint replacement
A technology of hip joints and joints, applied in the field of novel orthopedic joint replacement implants, which can solve the problem that the geometric shape of the knee joint cannot be matched, there is no disclosed device or method for assisting the surgeon in accurately implanting the device, and there is no maintenance of the femur Anatomical contours and other issues
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[0023] The present invention provides a system including a patellofemoral joint replacement device, a series of instruments, and a method for implanting the patellofemoral joint replacement device using the instrument.
[0024] The patellofemoral joint replacement device roughly includes two connecting parts, a femoral implant, and Figure 2A -The knee bone implant represented by 12 in B, where the femoral implant is in Figure 1A -C is indicated by the symbol 10.
[0025] From Figure 1A It is clearly seen in C that the femoral implant 10 is designed to replace the anterior surface of the distal part of the patient's femur. The femoral implant 10 includes an anatomically shaped upper surface 14 with a generally concave joint groove 16 oriented centrally and longitudinally.
[0026] From Figure 1A It is clearly shown in Figure that the underside 18 of the femoral implant 10 includes at least one but preferably a plurality of recesses 20, at least one intramedullary rod 22, and an...
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