Surgery – Diagnostic testing – Respiratory
Patent
1995-12-21
1998-09-22
Bahr, Jennifer
Surgery
Diagnostic testing
Respiratory
A61B 508
Patent
active
058107410
ABSTRACT:
A method of determining the existence and location of an obstruction in a respiratory track includes introducing a first catheter having a first sensing site into the body of a patient until the first sensing site is positioned so that it is distal to the obstruction. The first catheter is used to monitor respiratory effort with generated signals indicative of respiratory effort. A second catheter having a second sensing site is positioned so that the second sensing site is near the nostrils. The second catheter is used to monitor actual respiration with generated signals indicative of actual respiration. The existence of the obstruction is verified by observing respiratory effort signals without corresponding actual respiration signals.
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Bahr Jennifer
Gilbert Samuel
Glazier Stephen C.
Synectics Medical AB
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