| US 7,478,635 B2 | ||
| Breathing assistance apparatus | ||
| David Fraser Wixey, Auckland (New Zealand); and Ian Douglas Makinson, Auckland (New Zealand) | ||
| Assigned to Fisher & Paykel Healthcare Limited, Auckland (New Zealand) | ||
| Appl. No. 10/534,561 PCT Filed Oct. 29, 2003, PCT No. PCT/NZ03/00243 § 371(c)(1), (2), (4) Date Sep. 22, 2005, PCT Pub. No. WO2004/043528, PCT Pub. Date May 27, 2004. |
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| Claims priority of application No. 522577 (NZ), filed on Nov. 12, 2002; and application No. 528536 (NZ), filed on Sep. 26, 2003. | ||
| Prior Publication US 2006/0130836 A1, Jun. 22, 2006 | ||
| Int. Cl. A61M 11/00 (2006.01) | ||
| U.S. Cl. 128—203.17 [128/204.23] | 17 Claims |
| 1. An integrated breathing assistance apparatus for use as part of a system for providing respiratory gases to a user, comprising:
a gases delivery device adapted to provide respiratory gases at a substantially positive mean pressure through an outlet,
a heater plate, adapted to receive a water chamber and heat the contents of said chamber in use, said gases delivery device
and said heater plate rigidly connected together,
a controller adapted to energise said integrated breathing assistance apparatus to at least two configurations, a first configuration
where said gases delivery device is operable to provide respiratory gases at a substantially positive mean pressure through
said outlet and said heater plate is non-operable, and a second configuration where said gases delivery device is operable
to provide respiratory gases at a substantially positive mean pressure through said outlet, and said heater plate is also
operable,
said controller configuring said apparatus into said second configuration when an activation tool is engaged with the apparatus,
said controller configuring said apparatus to said first configuration when said activation tool is absent.
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