Surgery – Truss – Pad
Patent
1995-08-21
1997-08-05
Cohen, Lee S.
Surgery
Truss
Pad
128683, A61B 502
Patent
active
056532415
ABSTRACT:
A blood pressure monitor apparatus for monitoring a blood pressure of a living subject, including a blood-pressure measuring device which includes an inflatable cuff adapted to be wound around a body portion of a living subject and measures a blood pressure of the subject by changing a pressing pressure of the cuff to not lower than a systolic blood pressure of the subject, a cuff-pressure control device which iteratively changes, after a predetermined rest period following the blood pressure measurement of the blood-pressure measuring device, the pressure of the cuff to a predetermined value lower than the systolic blood pressure of the subject, and a blood-pressure-change identifying device for identifying a change of the blood pressure of the subject based on (a) respective amplitudes of first heartbeat-synchronous pulses obtained from the cuff during the blood pressure measurement of the blood-pressure measuring device, (b) respective pressures of the cuff when the first pulses are obtained, (c) respective amplitudes of second heartbeat-synchronous pulses obtained from the cuff during each of the iterative changings of the cuff pressure by the cuff-pressure control device, and (d) respective pressures of the cuff when the second pulses are obtained.
REFERENCES:
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patent: 4774960 (1988-10-01), Arnold et al.
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patent: 5316006 (1994-05-01), Inage et al.
patent: 5404878 (1995-04-01), Frankenreiter et al.
Harada Chikao
Miwa Yoshihisa
Cohen Lee S.
Colin Corporation
Winakur Eric F.
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