Apparatus for delivery of gas to patients

Details Apparatus for delivery of gas to patients Apparatus for delivery of gas to patients

A - Human Necessities

61

M

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

Patent

CA 2188561

Apparatus (10) is provided for controlled delivery of gas to a patient. The apparatus is particularly useful for delivery of anaesthetic gases in circumstances where the patient is conscious and able to receive gas upon demand and also where ventilation is poor. The apparatus (10) includes an outlet duct (40) for conveying gas from a gas supply (25) to the patient. A waste gas inlet duct (60)is also provided for receiving gas exhaled by the patient. This is connectable to a suction source (at 35) for scavenging the waste gas. The waste gas inlet duct (60) is arranged so that it can receive gas exhaled by the patient with theoutlet duct (via a valve or other diverting means (80)) and around the outlet duct (as guided by shroud (70)).

Appareil (10) de distribution régulée de gaz à des patients, utile notamment pour délivrer des anesthésiques gazeux lorsque le patient est conscient et apte à recevoir un gaz à sa demande, et également lorsque la ventilation est insuffisante. Cet appareil (10) comprend un conduit de sortie (40) destiné à transporter vers le patient un gaz provenant d'une alimentation (25) en gaz. Un conduit (60) d'entrée des gaz viciés est également monté afin de recevoir les gaz exhalés par le patient, lequel conduit peut être relié à une source d'aspiration (en 35) destinée à expulser les gaz exhalés, ce conduit étant conçu pour collecter les gaz exhalés par le patient et passant par le conduit de sortie (via une soupape ou un autre moyen de déviation (80)) aussi bien qu'autour de celui-ci (la circulation des gaz viciés étant guidée par un masque (70)).

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