US 12,246,133 B2
Humidifier tub with flow plate
Alexander Virr, Gosford (AU); Andrew Roderick Bath, Sydney (AU); Nathan John Row, Sydney (AU); Dan Kao, Sydney (AU); Phoebe Katherine Hill, Sydney (AU); Nicholas Andrew Earl, Essex (GB); Hargopal Verma, Sydney (AU); and Junning Chen, Sydney (AU)
Assigned to ResMed Pty Ltd, Bella Vista (AU)
Filed by ResMed Pty Ltd, Bella Vista (AU)
Filed on May 2, 2024, as Appl. No. 18/653,087.
Application 18/653,087 is a continuation of application No. 18/124,227, filed on Mar. 21, 2023, granted, now 11,998,702.
Application 18/124,227 is a continuation of application No. 17/964,971, filed on Oct. 13, 2022, granted, now 11,642,489, issued on May 9, 2023.
Application 17/964,971 is a continuation of application No. 17/707,586, filed on Mar. 29, 2022, granted, now 11,497,882, issued on Nov. 15, 2022.
Application 17/707,586 is a continuation of application No. 17/321,616, filed on May 17, 2021, granted, now 11,318,271, issued on May 3, 2022.
Application 17/321,616 is a continuation of application No. 16/223,313, filed on Dec. 18, 2018, granted, now 11,040,166, issued on Jun. 22, 2021.
Application 16/223,313 is a continuation of application No. 15/856,420, filed on Dec. 28, 2017, granted, now 10,195,389, issued on Feb. 5, 2019.
Application 15/856,420 is a continuation of application No. 15/194,634, filed on Jun. 28, 2016, granted, now 10,279,141, issued on May 7, 2019.
Application 15/194,634 is a continuation of application No. 14/157,639, filed on Jan. 17, 2014, granted, now 9,402,970, issued on Aug. 2, 2016.
Application 14/157,639 is a continuation of application No. 12/737,926, granted, now 8,631,789, issued on Jan. 21, 2014, previously published as PCT/AU2009/001232, filed on Sep. 17, 2009.
Claims priority of provisional application 61/226,134, filed on Jul. 16, 2009.
Claims priority of provisional application 61/097,765, filed on Sep. 17, 2008.
Prior Publication US 2024/0277965 A1, Aug. 22, 2024
Int. Cl. A61M 16/16 (2006.01); A61M 16/00 (2006.01); A61M 16/08 (2006.01); A61M 16/10 (2006.01)
CPC A61M 16/16 (2013.01) [A61M 16/0066 (2013.01); A61M 16/0816 (2013.01); A61M 16/0875 (2013.01); A61M 16/1075 (2013.01); A61M 16/109 (2014.02); A61M 16/1095 (2014.02); A61M 2205/121 (2013.01); A61M 2205/123 (2013.01); A61M 2205/3368 (2013.01); A61M 2205/3379 (2013.01); A61M 2205/3382 (2013.01); A61M 2205/3389 (2013.01); A61M 2205/584 (2013.01); A61M 2205/587 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A tub for humidifying a flow of breathable air to be delivered to a patient, the tub comprising:
a tub base configured to contain a supply of water;
a tub lid connected to the tub base, the tub lid including a channel configured to receive the flow of breathable air from a flow generator, the channel extending from a side wall of the tub lid to an inlet of the tub lid to receive the flow of breathable air from the channel, the inlet being configured to redirect the flow of breathable air from the channel in a direction oriented towards the tub base; and
a flow plate extending from a side wall of the tub base, the flow plate including a perimeter portion extending inwardly beyond an inner perimeter of the tub, the flow plate including plastic material, the flow plate forming part of a pathway for the breathable air to be delivered, in use, from the channel and the inlet to the tub base, the flow plate having a horizontal portion with a horizontal surface configured to seal with the tub lid when the tub lid is closed relative to the tub base, the horizontal surface extending to the side wall of the tub base, the flow plate having a planar vertical portion extending upwards relative to the horizontal portion, the vertical portion including a planar vertical surface spaced inwardly from an edge of the horizontal surface.