Rapid non-invasive blood pressure measuring device

Rapid non-invasive blood pressure measuring device

The present invention relates to methods and apparatus for the non-invasive determination of blood pressure. A blood pressure can be obtained by supplying an external pressure to a portion of an artery. The external pressure is preferably between the systolic and diastolic pressure. An event which o...

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Hauptverfasser: Flaherty, Bryan Patrick, Sher, Mark Henry, Caro, Richard G
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Sprache:eng
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creator Flaherty, Bryan Patrick
Sher, Mark Henry
Caro, Richard G
description The present invention relates to methods and apparatus for the non-invasive determination of blood pressure. A blood pressure can be obtained by supplying an external pressure to a portion of an artery. The external pressure is preferably between the systolic and diastolic pressure. An event which occurs at least once a cycle can then be identified. This event can be, for example, a peak in the arterial compliance that occurs at a transmural pressure approximately equal to zero. A pair of signals, one that is an arterial volume-indicating signal, and one that is an arterial pressure-indicating signal can be used to identify this event. Alternately, a small signal high-frequency exciter component can be placed upon the pressure or volume of the artery and detected to determine the time that the transmural pressure is equal to zero.
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A blood pressure can be obtained by supplying an external pressure to a portion of an artery. The external pressure is preferably between the systolic and diastolic pressure. An event which occurs at least once a cycle can then be identified. This event can be, for example, a peak in the arterial compliance that occurs at a transmural pressure approximately equal to zero. A pair of signals, one that is an arterial volume-indicating signal, and one that is an arterial pressure-indicating signal can be used to identify this event. Alternately, a small signal high-frequency exciter component can be placed upon the pressure or volume of the artery and detected to determine the time that the transmural pressure is equal to zero.</abstract><oa>free_for_read</oa></addata></record>
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title Rapid non-invasive blood pressure measuring device
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