Surgery – Diagnostic testing – Cardiovascular
Patent
1997-12-18
1999-03-02
Nasser, Robert L.
Surgery
Diagnostic testing
Cardiovascular
600490, 600485, 600500, 600494, A61B 502
Patent
active
058763481
ABSTRACT:
During a noninvasive blood pressure measurement using a cuff 2, a pulse wave propagation time T1 from the appearance of the peak value of an R wave in an electrocardiogram (ECG) waveform to the appearance of the bottom value of a pulse wave is counted, and a blood pressure value BP1 is calculated from a count result T1 and parameters .alpha., .beta. specific to a subject obtained during a pulse wave propagation time calibration. Then, the absolute value of a difference between the blood pressure value BP1 and a blood pressure value NIBP1 obtained by the noninvasive blood pressure measurement using the cuff 2 is calculated, and it is indeed whether or not the calculated absolute value is within a predetermined threshold.sub.-- BP. If the absolute value is judged to exceed the threshold.sub.-- BP, then blood pressure is measured again noninvasively using the cuff 2, and a blood pressure value NIBP1'obtained from such repeated measurement is displayed on a display 22.
REFERENCES:
patent: 5033472 (1991-07-01), Sato et al.
patent: 5564427 (1996-10-01), Aso et al.
patent: 5603329 (1997-02-01), Hosaka et al.
patent: 5649543 (1997-07-01), Hosaka et al.
patent: 5743856 (1998-04-01), Oka et al.
patent: 5752913 (1998-05-01), Oka
Kasuya Hiromitsu
Sohma Takeshi
Sugo Yoshihiro
Tanaka Rie
Astorino Michael
Nasser Robert L.
Nihon Kohden Corporation
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