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US 12,186,482 B2Granted
Respiratory assistance apparatus
AssigneeFisher & Paykel Healthcare Limited
InventorMalcolm David Smith
Life of this patent
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Abstract
A respiratory assistance apparatus includes a conduit connecting a flow generator and an outlet. The conduit includes a venture formation. The apparatus further includes an oxygen inlet in fluid communication or selective fluid communication with an oxygen outlet. The oxygen outlet is directed into the conduit and toward a mouth of the venture formation. The flow generator provides a flow path for air to enter the conduit when the flow generator is not operating.
Claims19
A high flow oxygen respiratory apparatus comprising:
- a flow generator;
- a first oxygen inlet in fluid communication or selective fluid communication with an oxygen supply;
- and
- an integrated humidifier comprising a chamber, the chamber comprising an inlet and an outlet;
- wherein the flow generator is configured to operate in a first mode and a second mode;
- wherein, in the first mode, the flow generator and the integrated humidifier are powered by a mains power connection;
- wherein, in the second mode:
- the apparatus is disconnected from the mains power connection,
- a portable power source is configured to generate alerts or alarms, and
- the flow generator is not operational.
7 more elements
Dependencies are inferred from the claim text.