Surgery – Truss – Pad
Patent
1995-03-30
1996-10-15
Sykes, Angela D.
Surgery
Truss
Pad
128682, 128687, A61B 500
Patent
active
055644279
ABSTRACT:
A blood pressure monitoring system includes a blood pressure measurement device for measuring blood pressure using a cuff, a memory for storing an externally inputted pulse wave propagation time fluctuation threshold, a time interval detection reference point detection section for detecting a time interval detection reference point in a pulse wave on the side of aortae of a living organism, a pulse wave detection section for detecting a pulse wave on the side of peripheral blood vessels appearing with a time lag with respect to the pulse wave on the side of aortae, a pulse wave propagation time measurement section for measuring a pulse wave propagation time based on respective detected outputs from the time interval detection reference point detection section and the pulse wave detection section, an operation device for calculating a pulse wave propagation fluctuation from two measured pulse wave propagation times, a judgment device for judging whether or not the calculated pulse wave propagation time fluctuation exceeds the pulse wave propagation time fluctuation threshold read from the memory, and a control device for controlling the blood pressure measurement device based on an output of the judgment device so that the blood pressure of a subject is measured using the cuff.
REFERENCES:
patent: 4907596 (1990-03-01), Schmid et al.
patent: 5237997 (1993-08-01), Greubel et al.
patent: 5279303 (1994-01-01), Kawamura et al.
Aso Shigeru
Hosaka Hidehiro
Sakata Hiroshi
Sugo Yoshihiro
Nasser Jr. Robert L.
Nihon Kohden Corporation
Sykes Angela D.
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