Blood pressure monitoring apparatus

Details Blood pressure monitoring apparatus Blood pressure monitoring apparatus

2008-07-01

2008-07-01

Marmor, II, Charles A. (Department: 3735)

Surgery

Diagnostic testing

Cardiovascular

C600S500000, C600S483000, C600S490000

Reexamination Certificate

active

11475938

ABSTRACT:
In blood pressure monitoring apparatus which continuously estimates and monitors blood pressure by using the pulse wave propagation time, blood pressure fluctuation can be accurately estimated. If both blood pressure estimated from the pulse wave propagation time and a waveform parameter obtained from the accelerated pulse wave have abnormal values, it is determined that the blood pressure is truly fluctuating, and blood pressure measurement by another method, e.g., blood pressure measurement using a cuff is performed.

REFERENCES:
patent: 10-066681 (1998-03-01), None
Iketani et al., “Photoplethysmogram (Accelerated Pulse Wave) for Evaluating Degree of Arteriosclerosis by Hypertension”, Blood Pressure, vol. 10, No. 6, 2003, pp. 54-60 (English translation attached).

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