BELOW KNEE AMPUTATION - BKA
Below knee amputation (BKA) is preferable done with a long posterior musculocutaneous flap (a flap made out of skin and muscles).
The skin incision includes a long posterior flap. The anterior muscle group is isolated and cut with a scalpel. The anterior vessels – artery and vein – are isolated,clamped, cut and ligated.
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The fibula is cut high up with a large bone cutter.
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The tibia is cut with a saw. Taking care not to injure the skin.
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The distal part of the cut leg is lifted forward and the posterior muscle group is cut with a scalpel
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The posterior vessels – artery and vein – are isolated, clamped, cut and ligated.
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The posterior muscle group is cut through and the bone ends separated. The large posterior tibial nerve is cut high with a scalpel – not being ligated.
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The posterior muscle flap is sutured up to the anterior muscle group. The skin is closed with interrupted semi-buried madras sutures.
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