A patented respiratory inductive plethysmography technology was used to measure respiratory function, two sensors were woven into the jerkin around the patient s chest and abdomen.

• 两条弯曲成“正弦”状导线嵌在弹性背心的胸、腹部作为呼吸运动传感器，用自主产权的呼吸感应体积描记技术提取呼吸运动；