Surgical plastic surgery, skin flap necrosis, peripheral suture ulceration, how to deal with it?

According to the symptoms described, it is due to local soft tissue necrosis and infection caused by infection after skin grafting, poor healing of soft tissue and oozing blood. At present, the treatment suggestion is to promote the absorption of subcutaneous inflammatory tissue and the growth of fresh granulation through dressing change or local application of "closed negative pressure drainage" technology, and then give free skin grafting treatment after observing the good development of granulation tissue.

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Treatment of hand scar contracture deformity with skin transplantation

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As shown in figure 1, a device designed by a classmate himself: cut off the bottom of the bottle with a large plastic bottle, leaving a bottle mouth about 8 cm ~ 10 cm, and plug it with a rubber stopp