APPARATUS TO COUNTERBALANCE INTRINSIC POSITIVE END EXPIRATORY PRESSURE

APPARATUS TO COUNTERBALANCE INTRINSIC POSITIVE END EXPIRATORY PRESSURE

PROBLEM TO BE SOLVED: To prevent dynamic airway compression during ventilatory support to a patient.SOLUTION: The respiratory airflow is determined by measurement or calculation, and a measure of the degree of dynamic airway compression is derived from the determined airflow. This measure is servo-c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BERTHON-JONES MICHAEL, HALLETT MICHAEL DAVID
Format: Patent
Sprache:eng
Schlagworte:
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
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To prevent dynamic airway compression during ventilatory support to a patient.SOLUTION: The respiratory airflow is determined by measurement or calculation, and a measure of the degree of dynamic airway compression is derived from the determined airflow. This measure is servo-controlled by increasing the expiratory pressure if the measure of the degree of dynamic airway compression is large or increasing, and by reducing expiratory pressure if the measure of the degree of dynamic airway compression is small or zero.