Moon J B, Lagu R K
Department of Otolaryngology, University of Iowa, Iowa City.
Cleft Palate J. 1987 Jul;24(3):240-3.
There has been considerable interest in development of instrumental measures for quantifying velopharyngeal function. This paper describes the design and evaluation of a second-generation device that might be used to transduce opening magnitude and movement of the velopharyngeal valve. Miniature optoelectronic components were used to construct and evaluate the phototransducer on the basis of five a priori design objectives: (1) linear relationship between valve opening cross-sectional area and phototransducer output; (2) a response time quick enough to allow for accurate tracking of velopharyngeal movement; (3) insensitivity of the device to ambient light; (4) high sensitivity to valve opening magnitude; and (5) low cost. All five a priori design objectives were met. Potential usefulness of the device in both clinical and research applications and directions for future research are discussed.
人们对开发用于量化腭咽功能的仪器测量方法有着浓厚的兴趣。本文描述了一种第二代装置的设计与评估，该装置可用于转换腭咽瓣的开口大小和运动。基于五个先验设计目标，使用微型光电元件构建并评估了光电传感器：（1）瓣膜开口横截面积与光电传感器输出之间的线性关系；（2）响应时间足够快，以允许准确跟踪腭咽运动；（3）装置对环境光不敏感；（4）对瓣膜开口大小高度敏感；（5）低成本。所有五个先验设计目标均已实现。讨论了该装置在临床和研究应用中的潜在用途以及未来研究的方向。
