Experience in repair utilizing artificial skin for exposed bone surfaces

PELNAC (Kowa Company, Tokyo, Japan) is an improved artificial skin for graf ting, based on that developed by Yannas and Burke in 1980. It consists of t wo layers of slightly antigenic atelocollagen sponge and silicon film. The repair of exposed bone surface is accomplished by utilizing artificial skin . There have been reports of 13 cases of bone exposure wounds repaired with artificial skin in which secondary skin grafts were accomplished. Eleven o f 13 cases were healed, and the method was considered easy and convenient.