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 joint replacement

Joint replacement surgery is a procedure that is undertaken when the knee joint has reached a stage when painful signs can no longer be checked with non-operative cure. In a knee replacement process, the damaged joint surface is removed and replaced with a metal and plastic implant.

Since a knee joint is basically a hinge joint which makes room for movement at the meeting point of thigh and the lower leg, the thigh bone (called femur) ends at the large bone of the lower leg (called tibia) at the knee joint. The purpose of a Complete Knee Replacement surgery is primarily to remove the end of the femur bone and replace it with a metallic shell. Besides this, end of lower leg bone (called tibia) is also removed and replaced with a plastic piece having a metal stem.

The other crucial part of the knee joint is the cruciate ligament located behind both sides of the knee joint. The function of
this tissue is extremely critical in maintaining the balance of the person by controlling the movement of both femur and tibia, and it ensures that the knee is bending only backwards and not forwards. In a complete Knee Replacement, this ligament is either retained, sacrificed, or substituted according to the extent and nature of damage to the knee joint.


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