DISTINGUISHING CLOSED AND OPEN RESPIRATORY AIRWAY APNEAS BY COMPLEX ADMITTANCE VALUES

The present invention relates to a patency detection system for determining patency of an airway of a patient, the system comprising, a controller means for controlling a flow generator to generate airflow in an oscillatory pressure waveform at known frequency and magnitude for delivery to the patie...

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Bibliographic Details
Main Authors OATES, John, David, BASSIN, David, John, HUBY, Ronald, James, GOELDI, Benriah
Format Patent
LanguageEnglish
French
German
Published 25.09.2019
Subjects
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:The present invention relates to a patency detection system for determining patency of an airway of a patient, the system comprising, a controller means for controlling a flow generator to generate airflow in an oscillatory pressure waveform at known frequency and magnitude for delivery to the patient's airway calculating complex admittance values (12) of respiratory air flow of the patient from said airway in response to the oscillatory pressure waveform and determining the patency of the airway by determining whether the complex admittance values are in a region of complex values characteristic of patency (14, 16).
Bibliography:Application Number: EP20160158562