US 11,896,768 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 Oct. 1, 2020, as Appl. No. 17/061,494.
Application 17/061,494 is a division of application No. 15/309,397, granted, now 10,828,453, 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 2021/0016042 A1, Jan. 21, 2021
Int. Cl. A61M 16/08 (2006.01); A61M 16/06 (2006.01)
CPC A61M 16/0816 (2013.01) [A61M 16/06 (2013.01); A61M 16/0683 (2013.01); A61M 16/0866 (2014.02); A61M 2202/0225 (2013.01); A61M 2205/02 (2013.01); A61M 2205/42 (2013.01); A61M 2205/75 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A diffuser arrangement for diffusing gases exhausted from a vent of a respiratory interface assembly, comprising:
a diffuser having a body,
wherein an entirety of the body is flexible such that the body of the diffuser is configured to conform to a shape of a structure that defines or carries the vent,
wherein the body is a sleeve that is sized and shaped to cover the vent,
wherein the sleeve comprises a window configured to engage an alignment feature of the structure that defines or carries the vent,
wherein the window extends around at least half of a circumference of the sleeve.