US 12,440,641 B2
Breathing assistance apparatus
Matthew Jon Payton, Auckland (NZ); Kevin Peter O'Donnell, Auckland (NZ); Christopher Simon James Quill, Auckland (NZ); Ian Douglas Makinson, Auckland (NZ); Emily Joy Drake, Auckland (NZ); Craig Karl White, Auckland (NZ); and Virginia Louise Owen, Auckland (NZ)
Assigned to Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed by Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed on May 26, 2023, as Appl. No. 18/324,937.
Application 18/324,937 is a continuation of application No. 17/808,958, filed on Jun. 24, 2022, granted, now 11,679,228.
Application 17/808,958 is a continuation of application No. 17/141,479, filed on Jan. 5, 2021, granted, now 12,194,245.
Application 17/141,479 is a continuation of application No. 15/811,308, filed on Nov. 13, 2017, granted, now 10,918,821, issued on Feb. 16, 2021.
Application 15/811,308 is a continuation of application No. 14/919,459, filed on Oct. 21, 2015, granted, now 9,839,759, issued on Dec. 12, 2017.
Application 14/919,459 is a continuation of application No. 14/522,416, filed on Oct. 23, 2014, granted, now 9,168,350, issued on Oct. 27, 2015.
Application 14/522,416 is a continuation of application No. 11/913,812, granted, now 8,893,715, issued on Nov. 25, 2014, previously published as PCT/NZ2006/000132, filed on May 26, 2006.
Claims priority of application No. 540402 (NZ), filed on May 26, 2005.
Prior Publication US 2024/0108847 A1, Apr. 4, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 16/16 (2006.01); A61M 16/00 (2006.01); A61M 16/06 (2006.01); A61M 16/08 (2006.01); A61M 16/10 (2006.01)
CPC A61M 16/161 (2014.02) [A61M 16/0003 (2014.02); A61M 16/0006 (2014.02); A61M 16/0066 (2013.01); A61M 16/0069 (2014.02); A61M 16/009 (2013.01); A61M 16/024 (2017.08); A61M 16/0666 (2013.01); A61M 16/0875 (2013.01); A61M 16/1075 (2013.01); A61M 16/109 (2014.02); A61M 16/1095 (2014.02); A61M 16/16 (2013.01); A61M 2016/003 (2013.01); A61M 16/0683 (2013.01); A61M 2205/3303 (2013.01); A61M 2205/3368 (2013.01); A61M 2205/36 (2013.01); A61M 2205/50 (2013.01); A61M 2230/40 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A high flow therapy apparatus with a drying mode, the apparatus comprising:
a housing;
a blower within the housing and configured to provide a gases flow of 15 to 40 L/min during a high flow therapy;
a humidifier comprising a chamber and heater plate, the chamber configured for rapid removal directly from the exterior of the housing;
a tube comprising a heater wire and configured to removably couple to an outlet to facilitate gases flow, the heater wire embedded in a wall of the tube;
a controller configured to allow the blower to provide the gases flow of 15 to 40 L/min during the high flow therapy, detect an end of the high flow therapy, and automatically start the drying mode;
the drying mode comprising reducing a heat output by the heater plate, using the blower to provide a gases flow at a constant rate, and using the heater wire to heat gases within the tube;
the controller further configured to operate the drying mode for a predetermined time.