Method and apparatus for predicting work of breathing

Details Method and apparatus for predicting work of breathing Method and apparatus for predicting work of breathing

2003-08-29

2008-09-16

Nasser, Jr., Robert I. (Department: 3735)

Surgery

Diagnostic testing

Respiratory

C600S533000, C600S538000

Reexamination Certificate

active

07425201

ABSTRACT:
A method of creating a non-invasive predictor of both physiologic and imposed patient effort from airway pressure and flow sensors attached to the patient using an adaptive mathematical model. The patient effort is commonly measured via work of breathing, power of breathing, or pressure-time product of esophageal pressure and is important for properly adjusting ventilatory support for spontaneously breathing patients. The method of calculating this non-invasive predictor is based on linear or non-linear calculations using multiple parameters derived from the above-mentioned sensors.

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