Surgery – Diagnostic testing – Respiratory
Reexamination Certificate
2006-12-08
2008-09-23
Nasser, Jr., Robert L. (Department: 3735)
Surgery
Diagnostic testing
Respiratory
C600S529000, C600S533000
Reexamination Certificate
active
07427269
ABSTRACT:
An apparatus and method to characterize NO gas exchange dynamics in human lungs comprising the steps of: (1) performing a series of breath hold maneuvers of progressively increasingly breath hold times, each breath hold maneuver comprising a) inhaling a gas, b) holding a breath for a selected time duration, and c) exhaling at a flow rate which is uncontrolled but which is effective to ensure evacuation of the airway space and (2) measuring airway NO parameters during consecutive breath hold maneuvers. As a result disease states of the lungs are diagnosed using the measured airway NO parameters.
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Kharitonov SA and Barnes PJ. Nasal Contribution to exhaled nitric oxide during exhalation against resistance or during breath holding. Thorax 52:540-544, 1997.
Shin HW, Condorelli P, and George SC. A new and more accurate technique to characterize airway nitric oxide using different breath-hold times. J Appl Physiol 98:1869-1877, 2005.
Shin HW, Condorelli P, George SC. Examining axial diffusion of nitric oxide in the lungs using heliox and breath hold. J Appl Physiol 100: 623-630, 2006.
Condorelli Peter
George Steven C.
Shin Hye-Won
Dawes Daniel L.
Nasser Jr. Robert L.
The Regents of the University of California
Toth Karen E
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