Apparatus and method for vascular examination of a limb
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United States of America Patent
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Feb 18, 1992
Grant Date -
N/A
app pub date -
Jul 24, 1989
filing date -
Jul 24, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and a method are provided for vascular examination of a limb by inflation of a flexible-walled pneumatic chamber mounted to the limb and calibration of the pressure within the chamber in units of volume. Calibration is accomplished by inflating the chamber to a preselected reference pressure, altering the volume of the chamber, and measuring the calibration pressure at the altered volume. The calibration pressure is stored for use off-line in scaling subsequent pressure fluctuations as changes in limb volume.
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