Breathable gas apparatus with humidifier

A breathable gas supply apparatus for treating Obstructive Sleep Apnea (OSA) with Continuous Positive Airway Pressure (CPAP) therapy by delivering a flow of air pressurized in a range from 4 cm H2O to 28 cm H2O to a patient's airways via a conduit and a mask. The breathable gas supply apparatus...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Yee, Arthur Kin-Wai, Snow, John Michael, Bath, Andrew Roderick, Lithgow, Perry David, Primrose, Rohan Neil, Jeha, Simone Marie, Trevor-Wilson, Duncan Lovel, Payne, Mark John, Janiak, Michael Thomas, Sapula, Marek Tomasz, Crumblin, Geoffrey, Saada, Jim, Kao, Dan, Virr, Alexander, Richmond, Donald Angus, Murray, Andrew Charles, Kenyon, Barton John
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING FIRE-FIGHTING HUMAN NECESSITIES HYGIENE LIFE-SAVING MEDICAL OR VETERINARY SCIENCE PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A breathable gas supply apparatus for treating Obstructive Sleep Apnea (OSA) with Continuous Positive Airway Pressure (CPAP) therapy by delivering a flow of air pressurized in a range from 4 cm H2O to 28 cm H2O to a patient's airways via a conduit and a mask. The breathable gas supply apparatus includes a flow generator (50) and a humidifier (150). The flow generator includes a connector nozzle protruding from a flow generator engagement face, the flow generator engagement face including a pair of slots; a top case and a bottom case together forming a chassis-receiving cavity, the top case and the bottom case each being formed from a rigid, plastic material; a chassis positioned in the chassis-receiving cavity, the chassis including a base and side walls that form a fan cavity; and a fan positioned in the fan cavity to generate the flow of air, the fan including a cover and a base that form a fan housing, the fan housing including a fan inlet and a fan outlet, and the fan including a motor and an impeller positioned in the fan housing. The humidifier includes a humidifier engagement face with an air port configured to mate with the connector nozzle to receive the flow of air; a pair of tongues, each of the tongues configured to engage a corresponding one of the slots to connect the humidifier to the flow generator; a water tub configured to hold water for vaporization into the flow of air, the water tub including a tub base and a tub lid; a base unit configured to hold the water tub and attach to and detach from the flow generator engagement face; a heater plate configured to contact and heat the tub base to heat water in the water tub; and a humidifier lid hingedly connected to the base unit to secure the water tub to the base unit in a closed position. The humidifier lid has a humidifier lid seal configured to seal against the tub lid when the water tub is secured to the base unit and the humidifier lid is in the closed position, and includes a humidified air outlet pipe configured to be connected to the conduit to direct the flow of air to the mask during use.