US 12,390,610 B2
Breathing assistance apparatus
Alastair Edwin McAuley, Dallas, TX (US); Gregory James Olsen, Auckland (NZ); and Roheet Patel, Auckland (NZ)
Assigned to Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed by Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed on Sep. 15, 2023, as Appl. No. 18/468,663.
Application 15/425,937 is a division of application No. 13/877,903, granted, now 9,561,338, issued on Feb. 7, 2017, previously published as PCT/NZ2011/000211, filed on Oct. 7, 2011.
Application 18/468,663 is a continuation of application No. 17/816,275, filed on Jul. 29, 2022, granted, now 11,766,535, issued on Sep. 26, 2023.
Application 17/816,275 is a continuation of application No. 17/568,186, filed on Jan. 4, 2022, granted, now 11,559,650, issued on Jan. 24, 2023.
Application 17/568,186 is a continuation of application No. 16/384,218, filed on Apr. 15, 2019, granted, now 11,247,013, issued on Feb. 15, 2022.
Application 16/384,218 is a continuation of application No. 15/425,937, filed on Feb. 6, 2017, granted, now 10,835,702, issued on Nov. 17, 2020.
Application 16/384,218 is a continuation of application No. 14/977,083, filed on Dec. 21, 2015, granted, now 10,272,218, issued on Apr. 30, 2019.
Application 14/977,083 is a continuation of application No. 13/877,903, granted, now 9,561,338, issued on Feb. 7, 2017, previously published as PCT/NZ2011/000211, filed on Oct. 7, 2011.
Claims priority of provisional application 61/391,527, filed on Oct. 8, 2010.
Prior Publication US 2024/0115827 A1, Apr. 11, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A61M 16/06 (2006.01); A61M 16/00 (2006.01); A61M 16/10 (2006.01); A61M 16/16 (2006.01)
CPC A61M 16/0622 (2014.02) [A61M 16/0066 (2013.01); A61M 16/0616 (2014.02); A61M 16/0633 (2014.02); A61M 16/0683 (2013.01); A61M 2016/0039 (2013.01); A61M 16/0069 (2014.02); A61M 16/024 (2017.08); A61M 16/109 (2014.02); A61M 16/16 (2013.01); A61M 2205/3368 (2013.01); A61M 2205/50 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A mask seal assembly for use as part of an apparatus for supplying a flow of respiratory gases to a user, the mask seal assembly comprising:
a first seal and a second seal, each of flexible material, and
a clip of rigid material,
the first seal having a first side and a second side, the first side of the first seal being shaped to approximately match contours of a face of the user and in use substantially seal against the face of the user, the second side attached to said clip,
the clip providing an interface extending substantially a full perimeter or periphery of the mask seal assembly, the clip having a first side and a second side, the second side of the first seal being attached to the first side of the clip, and the second side of the clip for releasably attaching the mask seal assembly to a mask body by way of direct engagement with the mask body,
the second seal attached to the second side of the clip for forming a seal between the mask seal assembly and the mask body,
wherein the clip comprises a bridging portion spanning between the first side and the second side of the clip to space at least a portion of the second side of the first seal outwards from a perimeter or periphery of the second side of the clip,
wherein the first seal and the second seal are integrally formed and joined together across the bridging portion via a runner across or through the bridging portion.