US 12,465,710 B2
Thermoformed mask
Jeroen Hammer, Auckland (NZ); Adam Alexander Tebbutt, Auckland (NZ); and Andrew Chun Mon Fan, Auckland (NZ)
Assigned to Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed by Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed on Oct. 8, 2021, as Appl. No. 17/450,384.
Application 17/450,384 is a continuation of application No. 16/474,520, granted, now 11,167,104, previously published as PCT/NZ2017/050179, filed on Dec. 29, 2017.
Claims priority of provisional application 62/441,036, filed on Dec. 30, 2016.
Prior Publication US 2022/0126048 A1, Apr. 28, 2022
Int. Cl. A61M 16/06 (2006.01)
CPC A61M 16/0622 (2014.02) [A61M 16/0694 (2014.02); A61M 2205/0216 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A respiratory mask assembly comprising:
a cushion module comprising:
a seal portion comprising thermoformed foam; and
a housing comprising thermoformed foam, the seal portion and the housing permanently joined to define a breathing chamber;
a frame comprising thermoformed foam, the frame configured to connect to the housing; and
a headgear assembly configured to connect to the frame, the headgear assembly comprising:
two side straps, each of the two side straps configured to pass across one of a user's cheeks and above one of a user's ears in use; and
a top strap extending between the two side straps and configured to extend across a top of a user's head in use, wherein an air conduit extends within the top strap and the two side straps and the air conduit is configured to provide a supply of gases to the breathing chamber of the cushion module;
wherein the top strap and/or each of the two side straps comprise EVA foam, wherein the EVA foam in the top strap and/or each of the two side straps is backed with a fabric-wrapped rigid plastic.