Title :
Non-invasive continuous blood pressure monitoring by the unloading of vascular wall
Author :
Wang, Mihui ; Cheung, Peter W.
Author_Institution :
Microsensor Res. Lab., Washington Univ., Seattle, WA, USA
Abstract :
An investigation of noninvasive continuous blood pressure monitoring based on the principle of indirect loading of the vascular wall is described. A finger cuff with an optical sensor is used to detect the pulsation of vascular volume. The signal of this sensor is then used to control the pressure in the cuff. A simple air compressor, the time response of which can satisfy the requirement for dynamic monitoring of the blood pressure, is described. The waveform of the blood pressure is shown. The results of a preliminary accuracy test are given
Keywords :
haemodynamics; patient monitoring; pressure measurement; accuracy test; air compressor; blood pressure waveform; dynamic monitoring; finger cuff; noninvasive continuous blood pressure monitoring; optical sensor; vascular volume pulsation; vascular wall unloading; Biomedical monitoring; Blood pressure; Energy consumption; Fingers; Instruments; Optical sensors; Patient monitoring; Pressure control; Time factors; Valves;
Conference_Titel :
Engineering in Medicine and Biology Society, 1989. Images of the Twenty-First Century., Proceedings of the Annual International Conference of the IEEE Engineering in
Conference_Location :
Seattle, WA
DOI :
10.1109/IEMBS.1989.96268
