Method and apparatus for adjusting desired pressure in...

A - Human Necessities – 61 – M

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A61M 16/00 (2006.01) A61B 5/08 (2006.01)

Patent

CA 2696773

Systems and methods for adjusting a desired pressure in a positive airway pressure (PAP) device are provided. In one embodiment, the method includes: a) providing breathing gas under positive pressure to a patient via a PAP device based on current desired pressure, b) monitoring a characteristic of the breathing gas, patient, or PAP device indicative of respiration, c) creating a breathing cycle signal having a first level associated with inhalation and a second level associated with exhalation, the signal being based on the monitored respiration characteristic, d) performing an abnormal breathing check based on the monitored respiration characteristic and the breathing cycle signal, and e) if abnormal breathing is detected, increasing the current desired pressure until a maximum desired pressure is reached, otherwise, decreasing the current desired pressure until a minimum desired pressure is reached. Several embodiments of an apparatus associated with the method are also provided.

Systèmes et procédés de réglage de la pression souhaitée dans des dispositifs de pression positive (Positive Airway Pressure/ PAP) pour voies respiratoires. Dans un mode de réalisation, le procédé consiste: (a) à administrer un gaz respiratoire sous une pression positive à un patient via un dispositif PAP sur la base de la pression recherchée actuellement; (b) à surveiller une caractéristique du gaz respiratoire, du patient ou du dispositif PAP renseignant sur la respiration; (c) à créer un signal de cycle respiratoire présentant un premier niveau associé à l'inspiration et un second niveau associé à l'expiration, signal qui est basé sur la caractéristique de pression surveillée; (d) à effectuer un contrôle en cas de respiration anormale sur la base de la caractéristique de respiration surveillée et du signal de cycle respiratoire; et (e) en cas de détection d'une respiration anormale, à augmenter la pression maximum requise, ou bien à réduire la pression recherchée actuellement jusqu'à ce que la pression souhaitée minimum soit atteinte. Sont également décrits plusieurs modes de réalisation d'un dispositif associé à la méthode susdécrite.

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