	US 12,458,773 B2
	Humidification system
Andrew Paul Maxwell Salmon, Auckland (NZ); Guohua Bao, Auckland (NZ); and Nordyn Alami, Auckland (NZ)
Assigned to Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed by Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed on Nov. 23, 2020, as Appl. No. 17/102,321.
Application 17/102,321 is a continuation of application No. 15/125,553, granted, now 10,874,819, previously published as PCT/IB2015/051830, filed on Mar. 13, 2015.
Claims priority of provisional application 61/953,571, filed on Mar. 14, 2014.
Prior Publication US 2021/0069454 A1, Mar. 11, 2021
Int. Cl. A61M 16/06 (2006.01); A61M 16/00 (2006.01); A61M 16/04 (2006.01); A61M 16/10 (2006.01); A61M 16/14 (2006.01); A61M 16/16 (2006.01)

CPC A61M 16/16 (2013.01) [A61M 16/0066 (2013.01); A61M 16/04 (2013.01); A61M 16/0666 (2013.01); A61M 16/109 (2014.02); A61M 16/1095 (2014.02); A61M 16/142 (2014.02); A61M 2016/0027 (2013.01); A61M 2016/003 (2013.01); A61M 2016/1025 (2013.01); A61M 2016/103 (2013.01); A61M 16/161 (2014.02); A61M 2205/02 (2013.01); A61M 2205/0205 (2013.01); A61M 2205/3334 (2013.01); A61M 2205/3368 (2013.01); A61M 2205/3653 (2013.01); A61M 2205/42 (2013.01); A61M 2205/505 (2013.01); A61M 2205/8206 (2013.01)]

20 Claims

1. A gas humidification system comprising:

a tubular conduit defining a gas passageway,

a mass of an absorbent material located within the tubular conduit,

a housing at least partially covering the tubular conduit and providing a reservoir at an outer surface of the tubular conduit between a wall of the tubular conduit and a wall of the housing, the reservoir configured to hold a fluid,

wherein the wall of the tubular conduit comprises an orifice allowing communication between the absorbent material and the reservoir, the absorbent material configured to absorb the fluid from the reservoir,

a heating element configured to heat the fluid within the absorbent material, and

the housing having a removably attachable lid configured to allow the fluid to enter the reservoir.