US 12,186,482 B2
Respiratory assistance apparatus
Malcolm David Smith, Auckland (NZ)
Assigned to Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed by Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed on Oct. 24, 2023, as Appl. No. 18/326,806.
Application 18/326,806 is a continuation of application No. 16/774,544, filed on Jan. 28, 2020, granted, now 11,701,483.
Application 16/774,544 is a continuation of application No. 14/423,073, granted, now 10,583,263, issued on Mar. 10, 2020, previously published as PCT/NZ2013/000134, filed on Jul. 29, 2013.
Claims priority of provisional application 61/692,428, filed on Aug. 23, 2012.
Prior Publication US 2024/0033455 A1, Feb. 1, 2024
Int. Cl. A61M 16/00 (2006.01); A61M 16/06 (2006.01); A61M 16/10 (2006.01); A61M 16/12 (2006.01); A61M 16/16 (2006.01)
CPC A61M 16/0066 (2013.01) [A61M 16/0003 (2014.02); A61M 16/0012 (2014.02); A61M 16/0666 (2013.01); A61M 16/109 (2014.02); A61M 16/127 (2014.02); A61M 16/16 (2013.01); A61M 2016/0027 (2013.01); A61M 2016/0039 (2013.01); A61M 16/0069 (2014.02); A61M 2016/1025 (2013.01); A61M 16/107 (2014.02); A61M 16/1095 (2014.02); A61M 2202/0208 (2013.01); A61M 2205/3334 (2013.01); A61M 2205/3368 (2013.01); A61M 2205/3553 (2013.01); A61M 2205/502 (2013.01); A61M 2205/82 (2013.01); A61M 2205/8206 (2013.01)] 19 Claims
OG exemplary drawing
 
1. 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.