US 12,409,290 B2
Patient interface and aspects thereof
Thomas Mark Richardson, Auckland (NZ); Jonathan Mark Downey, Auckland (NZ); and Janine Elizabeth Collins, Auckland (NZ)
Assigned to Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed by Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed on Oct. 6, 2023, as Appl. No. 18/482,405.
Application 18/482,405 is a continuation of application No. 17/378,586, filed on Jul. 16, 2021, granted, now 11,806,475.
Application 17/378,586 is a continuation of application No. 15/560,992, granted, now 11,097,077, issued on Aug. 24, 2021, previously published as PCT/IB2016/051665, filed on Mar. 24, 2016.
Claims priority of provisional application 62/261,177, filed on Nov. 30, 2015.
Claims priority of provisional application 62/139,562, filed on Mar. 27, 2015.
Prior Publication US 2024/0082525 A1, Mar. 14, 2024
Int. Cl. A61M 16/06 (2006.01); A61M 16/08 (2006.01)
CPC A61M 16/0616 (2014.02) [A61M 16/0666 (2013.01); A61M 16/0611 (2014.02); A61M 16/08 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A nasal seal comprising:
a seal body formed of a soft flexible material and defining an inner cavity that receives a supply of breathing gases, the seal body comprising:
a first nostril prong;
a second nostril prong;
wherein each of the first nostril prong and the second nostril prong are non-conical and asymmetrical; and
a rolling portion defined by a sidewall portion of the seal body and configured to roll over on itself, the rolling portion comprising an upper portion configured to be distal of an upper lip of a user and a lower portion configured to be proximate the upper lip of the user, wherein the upper portion provides less resistance to roll than the lower portion.