Twenty-seven tissue expanders were inserted in 14 children (age range: 1.5 to 15 years) of pigmented naevi, h emangioma and scar tissue with exteriorization of the injection port.

应国产皮肤软组织扩张器共27，注射壶及连接管外置的方法，141.5-15患色素痣、血管瘤及烧伤瘢痕的患儿实行扩张术。