Answer: To make the cruciate replacement ligament new tissue is required. One option for this is to use your own tissue, and this is called an auto-graft. The benefit of this is that as it uses your own tissue your body will accept it without any rejection problem. The downside to this is that it involves operating on other areas of the knee, or on the other leg, to take out pieces of tendon that will be required to make the new ligament. Alternatively donor or synthetic material can be used:
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Mr Charles Willis-Owen
Consultant Orthopaedic Surgeon