Karschay P, Schön F, Windrich J, Fricke J, Herrmann I F
Acta Otolaryngol. 1986 Mar-Apr;101(3-4):341-7. doi: 10.3109/00016488609132848.
As our experience with 132 laryngectomees shows, the quality of tracheopharyngeal speech differs. Effortless tracheo-pharyngeal speech requires low flow resistance. Testing the individual factors that influence flow resistance and which are due to the prosthesis, we found that prosthesis diameter and slit length were most important. Various types of valve prosthesis differ considerably in their flow resistance. However, a low-flow resistance valve prosthesis is only partly responsible for easy phonation: Contact between the pharyngeal end of the prosthesis and surrounding tissue may influence voice quality considerably. A later paper will describe the extent to which surgery can create a low-resistance vibratile upper digestive tract.
正如我们对132例喉切除患者的经验所示，气管咽语音的质量存在差异。轻松的气管咽语音需要低流动阻力。在测试影响流动阻力且归因于假体的各个因素时，我们发现假体直径和裂隙长度最为重要。各种类型的瓣膜假体在其流动阻力方面有很大差异。然而，低流动阻力瓣膜假体只是发音轻松的部分原因：假体咽部末端与周围组织之间的接触可能会对语音质量产生很大影响。后续论文将描述手术能够在何种程度上创造出低阻力的可振动上消化道。
