System for determining characteristics of blood flow
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United States of America Patent
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-
Jan 7, 1986
Issued Date -
N/A
app pub date -
Jul 6, 1981
filing date -
Sep 29, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Method and apparatus are disclosed for determination and display of hemodynamic characteristic values of a patient in a variety of statistical forms and in relative or absolute terms, the measurement determination being made by non-invasive impedance plethysmography under control of a central processor. A characteristic value representative of variation of blood vessel cross-sectional area is measured across a patient's body section, blood pressure is measured in the body in simultaneity with the characteristic value, and signals representative of the characteristic value and blood pressure are then processed to obtain the hemodynamic characteristic values.
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