Noninvasive blood pressure measuring device and method

Details Noninvasive blood pressure measuring device and method Noninvasive blood pressure measuring device and method

1996-11-13

1998-06-30

Kamm, William E.

Surgery

Diagnostic testing

Cardiovascular

A61N 5022

Patent

active

057726027

ABSTRACT:
A CPU 9 controls an air supplying/discharging device to set a pressure of air within a-cuff to 60 mmHg for 60 seconds before making a blood pressure measurement, detects pulse waves of the cuff pressure for such period of time, and calculates a degree of stability of the detected pulse waves. When a blood pressure measurement is made, the CPU reduces the cuff pressure by a step pressure reducing operation whose step duration corresponds to the calculated degree of stability.

REFERENCES:
patent: 4349034 (1982-09-01), Ramsey, III
patent: 5099853 (1992-03-01), Uemura et al.
patent: 5139026 (1992-08-01), Niwa
patent: 5606977 (1997-03-01), Ramsey, III et al.

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