Conclusion It is feasibe that the periosteal flap composed of submental artery,anteroventral portion of digastric muscle and mandibular periosteum is useful laryngotracheal renovation.

• 结论带颏下动脉二腹肌前腹蒂的下颌骨膜瓣有转移范围大、血供丰富、应用灵活等优点。颏下动脉二腹肌前腹为蒂的下颌骨膜瓣修复喉气管具有可行性。