红唇缘缺损是常见的外伤后遗症,作者用由神经支配的肌肉和粘膜组成的皮瓣修复红唇缘缺损,使唇部恢复美观和良好的功能。其方法是:从正常唇部和缺损部交界处的唇游离缘作粘膜和肌肉的垂直切口,向上延至唇颊沟,并沿唇颊沟延长切口直至患侧口角外1厘米处。然后向下在肌肉和皮肤之间潜行分离,到达甚至越过缺损的游离缘。依靠 Red lip defect is a common traumatic sequelae, the author uses a flap composed of innervated muscular and mucous membranes to repair red lip defect, so that the lips restore beauty and good function. The method is: from the normal lip and defect at the junction of the lip free edge mucosa and muscle vertical incision, up to the lip buccal groove, and along the lip and cheek groove to extend the incision until I cm outside the iliac mouth. Then sneak down between the muscle and the skin, reaching or even across the free edge of the defect. rely