A study for the development of a noninvasive continuous blood pressure measuring system by analyzing radial artery pulse from a wrist

The appropriate pressure transducer and the prototype system for noninvasive measurement of blood pressure was developed to detect blood pressure pulse from radial artery on the wrist. Three signals, intra-arterial pressure pulse, radial artery pulse, and FSR output were collected from 5 patients during surgery. The results showed that the phasic configuration of two waveforms, intra-arterial pressure pulse and radial artery pressure pulse, was remarkably similar when the wrist strap was fastened to the point which made the arterial pressure pulse waveform to a maximum peak-to-peak value