Conduit for use in a respiratory apparatus

• Main Authors: ROW, NATHAN JOHN, VIRR, ALEXANDER, KLASEK, PAUL JAN, CHENG, JACK WEI, HUBY, RONALD JAMES
• Format: Patent
• Language: English
• Published: 22.08.2013
• 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; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE

A respiratory apparatus for delivering breathable gas to a patient includes a flow generator (20) that generates a supply of pressurised gas to be delivered to the patient; a humidifier (1) for vaporising water and delivering water vapor to humidify the gas; a gas flow path leading from the flow generator to the humidifier and from the humidifier to a patient interface (5); and a heater in thermal contact with the gas and/or the water, wherein the heater (16) comprises an elongate heating filament in the form of a tape. A humidifier for respiratory apparatus includes a first respiratory gas passage (10) for receiving gas from a flow generator, a humidifier chamber, a second respiratory gas passage (4) for delivering humidified gas to a patient interface (5), and a heater in thermal contact with the gas and/or the water, wherein the heater comprises an elongate heating filament (18, 19) extending along at least part of both said first and second respiratory gas passages. A conduit for use in a respiratory apparatus for delivering breathable gas to a patient includes a tube (4); a helical rib (4b) on an outer surface of the tube; and a plurality of wires (4c, 4d, 4e) supported by the helical rib in contact with the outer surface of the tube.