US 12,357,782 B2
Respiratory interface
Mark Arvind McLaren, Auckland (NZ)
Assigned to Fisher & Paykel Healthcare Limited, Auckland (NZ)
Appl. No. 17/271,347
Filed by Fisher & Paykel Healthcare Limited, Auckland (NZ)
PCT Filed Sep. 3, 2019, PCT No. PCT/IB2019/057393
§ 371(c)(1), (2) Date Feb. 25, 2021,
PCT Pub. No. WO2020/049441, PCT Pub. Date Mar. 12, 2020.
Claims priority of provisional application 62/726,697, filed on Sep. 4, 2018.
Prior Publication US 2021/0346629 A1, Nov. 11, 2021
Int. Cl. A61M 16/06 (2006.01)
CPC A61M 16/0605 (2014.02) [A61M 16/0666 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A seal assembly for a respiratory interface, the seal assembly comprising:
a seal portion configured to form a seal with at least a portion of a user's face, the seal portion comprising a bladder having an internal volume that contains a shear thinning material; and
a volume adjuster adapted to adjust the internal volume of the bladder, the volume adjuster comprising at least one insertable member configured to be moved in a first direction to cause a corresponding reduction in the internal volume of the bladder and moved in a second direction to cause a corresponding increase in the internal volume of the bladder.