The reversed dermis principle of Hynes has been applied to flaps. There are 2 main varieties: the direct bridge pedicle flap and the turn-over local flap but the same principle might occasionally be useful in free flaps.
海因斯的真皮反转原则已应用于皮瓣。主要有两种类型：直接桥式蒂皮瓣和翻转局部皮瓣，但同样的原则偶尔在游离皮瓣中也可能有用。
