A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/021 (2006.01)
Patent
CA 2124943
2124943 9315653 PCTABS00024 A method, for use in a non-invasive blood pressure monitoring system, of determining which portion of a stress sensitive element (34) of a tissue stress sensor (20) is best located for detecting the stress of tissue overlying an artery of interest. The tissue stress sensor (20) is placed in communication with tissue overlying the artery of interest and a plurality of electrical signals are obtained therefrom representing stress data across the length of the stress sensitive element (34). Each electrical signal represents stress datum communicated to a predetermined portion of the stress sensitive element. From the stress datum, a centroid of energy is computed and the centroid of energy is used to determine which portion of the stress sensitive element is best located for determining the blood pressure withing the artery of interest. A second method is disclosed which uses the centroid of a tissue foundation flexibility function to determine the best location along the stress sensitive element for determining blood pressure.
Butterfield Robert D.
Martin Stephen A.
Alaris Medical Systems Inc.
Borden Ladner Gervais Llp
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