Surgery – Diagnostic testing – Cardiovascular
Reexamination Certificate
2006-05-23
2006-05-23
Nasser, Robert L. (Department: 3736)
Surgery
Diagnostic testing
Cardiovascular
C600S465000, C600S587000
Reexamination Certificate
active
07048691
ABSTRACT:
An improved method and apparatus for non-invasively assessing one or more hemodynamic parameters associated with the circulatory system of a living organism. In one aspect, the invention comprises a method of measuring a hemodynamic parameter by measuring a non-calibrated value of the parameter non-invasively, and inducing a stress of the circulatory system while measuring a second parameter. The response of the circulatory system to the stress is determined directly from the subject, and a calibration function is derived from the response and applied to the non-calibrated measured value to produce a calibrated measure of the actual value of the hemodynamic parameter. Methods of using backscattered acoustic energy for determination of hemodynamic markers are also disclosed.
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Gallant Stuart L.
Miele Frank R.
Mucci Ronald
Gazdzinski & Associates
Nasser Robert L.
Tensys Medical, Inc.
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