I型甲状成形术系使用甲状软骨板开窗处软骨片或硅胶块置入向内推移声带，治疗声嘶。但术中有欠矫或过桥的缺点，不易调整；使用的软骨或硅胶块较硬，与周围组织相容性较差；一旦声带功能恢复，取出软骨成硅胶块较困难；且大多数1型甲状成形术不能使后联合闭合。该文设计一种新 I-type angioplasty Department of cartilage using thyroid cartilage films or silica gel block into the vocal tract, the treatment of hoarseness. But the surgery has the disadvantage of overcorrection or bridging, not easy to adjust; the cartilage or the silica gel block is hard and has poor compatibility with the surrounding tissue; once the vocal cord function is recovered, removing the cartilage into the silica gel block is more difficult; and most 1 Tympanoplasty does not allow posterior commissure closure. The design of a new article