US 12,357,785 B2
Diffuser arrangements for a vent of a respiratory interface
Matthew Roger Stephenson, Auckland (NZ); Toong Chuo Lim, Auckland (NZ); Thomas Mark Richardson, Auckland (NZ); and Kyle Gregory Brown, Auckland (NZ)
Assigned to Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed by Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed on Jan. 2, 2024, as Appl. No. 18/402,012.
Application 18/402,012 is a division of application No. 17/061,494, filed on Oct. 1, 2020, granted, now 11,896,768.
Application 17/061,494 is a division of application No. 15/309,397, granted, now 10,828,453, issued on Nov. 10, 2020, previously published as PCT/IB2015/053359, filed on May 8, 2015.
Claims priority of provisional application 62/150,764, filed on Apr. 21, 2015.
Claims priority of provisional application 61/991,302, filed on May 9, 2014.
Prior Publication US 2024/0245876 A1, Jul. 25, 2024
Int. Cl. A61M 16/08 (2006.01); A61M 16/06 (2006.01)
CPC A61M 16/0816 (2013.01) [A61M 16/06 (2013.01); A61M 16/0866 (2014.02); A61M 16/0683 (2013.01); A61M 2202/0225 (2013.01); A61M 2205/02 (2013.01); A61M 2205/42 (2013.01); A61M 2205/75 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A diffuser arrangement for diffusing gases exhausted from a vent of a respiratory interface assembly, comprising:
a support structure comprising a perimeter portion and a plurality of interior supports; and
a diffuser element, wherein the diffuser element comprises a knit or woven structure in which one or more threads of the knit or woven structure wrap around one or both of the perimeter portion and at least one of the interior supports.