US 11,679,224 B2
Apparatus for measuring properties of gases supplied to a patient
Matthew Jon Payton, Auckland (NZ); Kevin Peter O'Donnell, Auckland (NZ); Andrew Baden Clark, Auckland (NZ); Christopher Simon James Quill, Auckland (NZ); and Peter Geoffrey Hawkins, Auckland (NZ)
Assigned to Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed by Fisher & Paykel Healthcare Limited, Auckland (NZ)
Filed on Aug. 25, 2022, as Appl. No. 17/822,309.
Application 17/822,309 is a continuation of application No. 17/734,884, filed on May 2, 2022, granted, now 11,458,273.
Application 17/734,884 is a continuation of application No. 17/240,155, filed on Apr. 26, 2021.
Application 17/240,155 is a continuation of application No. 16/714,311, filed on Dec. 13, 2019, granted, now 11,007,340, issued on May 18, 2021.
Application 16/714,311 is a continuation of application No. 15/010,321, filed on Jan. 29, 2016, granted, now 10,537,698, issued on Jan. 21, 2020.
Application 15/010,321 is a continuation of application No. 13/908,952, filed on Jun. 3, 2013, granted, now 9,265,902, issued on Feb. 23, 2016.
Application 13/908,952 is a continuation of application No. 11/572,822, granted, now 8,453,641, issued on Jun. 4, 2013, previously published as PCT/NZ2005/000219, filed on Aug. 19, 2005.
Claims priority of application No. 534853 (NZ), filed on Aug. 20, 2004.
Prior Publication US 2022/0401687 A1, Dec. 22, 2022
Int. Cl. A61M 16/00 (2006.01); A61M 16/10 (2006.01); A61M 16/16 (2006.01); A61M 16/06 (2006.01); A61M 16/08 (2006.01)
CPC A61M 16/1005 (2014.02) [A61M 16/0066 (2013.01); A61M 16/024 (2017.08); A61M 16/06 (2013.01); A61M 16/0666 (2013.01); A61M 16/0875 (2013.01); A61M 16/109 (2014.02); A61M 16/1075 (2013.01); A61M 16/1095 (2014.02); A61M 16/16 (2013.01); A61M 16/161 (2014.02); A61M 2016/0027 (2013.01); A61M 2016/102 (2013.01); A61M 2205/3368 (2013.01); A61M 2205/502 (2013.01); Y10S 261/65 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A delivery conduit for supplying a flow of gases from a gases supply to a patient with no external wires, the delivery conduit comprising:
a heating element;
a circuit board;
a temperature sensor positioned on the circuit board and electrically connected in series with the heating element; and
no more than two connection pins integrated into the conduit for electrically connecting to a corresponding therapy device, wherein the conduit has no external wires;
wherein at least a part of the circuit board is positioned in the flow of gases in the delivery conduit at or near an end of the delivery conduit nearest the patient, the temperature sensor providing measurements of a temperature of gas in the flow of gases when in use.