Breathing device

A - Human Necessities – 61 – M

Patent

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Details

A61M 16/00 (2006.01)

Patent

CA 2220907

The invention concerns a breathing device consisting of: - in inspiration line (2) permanently attached, at its upstream end, to a first source of gas flow (1) under pressure and, at its downstream end, to the respiratory passages of a user, -at least a first (9) and a second (3) expiratory valve arranged on the said respiratory line (2) controlled for closure during the inspiration phase, - a means of detection (10) detecting, close to the downstream end of the inspiration line, the user's respiratory activity and transmitting respiratory activity data to means of control (12), the said means of control (12) controlling the first source of gas flow (1) in order to deliver, in the inspiration line (2), a gas stream with a non null, essentially constant flow throughout the expiration phase.

L'invention concerne un dispositif d'assistance respiratoire comprenant : - une branche inspiratoire (2) reliée en permanence, à son extrémité amont, à une première source de débit (1) de gaz sous pression et, à son extrémité aval, aux voies respiratoires d'un utilisateur, - au moins une première (9) et une deuxième (3) valves expiratoires agencées sur ladite branche respiratoire (2) commandées pour être fermées pendant la phase inspiratoire, - un moyen de détection (10) détectant, à proximité de l'extrémité aval de la branche inspiratoire, l'activité respiratoire de l'utilisateur et transmettant une donnée d'activité respiratoire à des moyens de pilotage (12), lesdits moyens de pilotage (12) commandant la première source de débit (1) de gaz de manière à délivrer, dans la branche inspiratoire (2), un flux de gaz à débit non nul et sensiblement constant pendant toute la phase expiratoire.

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