Surgery – Truss – Pad
Patent
1988-07-07
1989-07-25
Jaworski, Francis
Surgery
Truss
Pad
128683, A61B 502
Patent
active
048503681
ABSTRACT:
This electronic blood pressure measurement device includes a cuff with pressurization and sensing means, first measuring means for determining systolic, average, and diastolic blood pressures according to the pulse signal, means for computing a blood pressure constant as (systolic - average)/(average - diastolic), second measuring means for determining average and diastolic blood pressures according to the pulse signal, and means for computing systolic blood pressure according to average and diastolic blood pressures and the constant. A control means first operates the first measuring means and then the constant computing means; then stores first pulse characterization data relating to the pulse signal at this time; and then repeatedly: operates the second measuring means and then the means for computing systolic blood pressure; then stores second pulse characterization data relating to the pulse signal at this time; and then compares the first and second stored pulse characterization data and, only if they are significantly different, next returns to the step of operating the first measuring means.
REFERENCES:
patent: 4190886 (1980-02-01), Sherman
patent: 4378807 (1983-04-01), Peterson et al.
Jaworski Francis
Manuel George
Omron Tateisi Electronics Co.
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