Knee replacement, designed specifically for the female anatomy

Recently announce two major orthopedic implant manufacturers, the availability of knee implants designed specifically for women. We all know that men and women are different, but how this relates to knee implants?
The main difference is the relative size of the end of the femur or thigh bone. For a front-to-back or anterior-posterior (AP) width, femur women tend in the medial-lateral (ML) or secondary-side direction compared to men are limited. Be an implant that is based on male anatomy so proportioned too large a scale as a woman. The result is that when a surgeon implant size on AP width of the femur, the implant could “console” narrowband female bone and irritation of the surrounding soft tissue. Given this situation, orthopedic surgeons sometimes forced to “reduce” the femoral component during surgery for knee replacement. The reduction of the femoral component selects the doctor a smaller implant, so that the implant does not overhang the sides of the bone.
However, there are some possible disadvantages of downsizing the type of system instrumentation during surgery knee replacement procedure used. If the surgeon with an implant system for the femoral component at a distance, that is particularly in respect to the front of the thigh (the above affiliation), excessive laxity in flexion are placed with staff reductions. Alternatively, if the doctor could, through a system that applies to the back of the thigh, femoral preparation results “score” or below the front of the thigh. This could in turn lead to the fracture.
Recognizing that none of the above scenarios is desirable, the makers of implants have been trying for women to rectify this situation by narrower implants in ML direction. Male on one knee, the implant could “lower slope” remain exposed to some of the distal femur, but this is not generally a problem.
The company placed ads both manufacturers that their new female knee developed to address the narrower female femur. Rooms also noted that the differences extend beyond the width of the thigh to things like the angle of the femur in relation to the tibia. It will be interesting to see how these implants clinically and fair in November, when the potential benefits are realized.

By Taha Mateen

    

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