Continuous non-invasive sphygmomanometer
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United States of America Patent
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Dec 30, 2003
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N/A
app pub date -
Nov 21, 2001
filing date -
Mar 30, 1999
priority date (Note) -
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Abstract
According to the invention a sphygmomanometer for continuous plethysmographic measurement of blood pressure includes at least one inflatable pressure pad which is attachable to a body part containing an artery, arterial signal sensors for determining arterial blood flow, and a valve-controlled pressure chamber connected to a gas source and to the inflatable pressure pad and including a pressure sensor for measuring the pressure in the pressure chamber or in the pressure pad. The pressure chamber has separate inlet and outlet valves which are controlled dependent on signals of the arterial signal sensors.
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