US 11,744,976 B2
Apparatus and method for detecting liquid level in a clear or partially clear container
Scott I. Biba, Waunakee, WI (US)
Assigned to Mallinckrodt Pharmaceuticals Ireland Limited, Dublin (IE)
Filed by Mallinckrodt Pharmaceuticals Ireland Limited, Dublin (IE)
Filed on Dec. 15, 2022, as Appl. No. 18/82,174.
Application 18/082,174 is a division of application No. 16/724,786, filed on Dec. 23, 2019, granted, now 11,554,235.
Application 16/724,786 is a continuation of application No. 15/460,334, filed on Mar. 16, 2017, granted, now 10,543,334, issued on Jan. 28, 2020.
Claims priority of provisional application 62/331,117, filed on May 3, 2016.
Prior Publication US 2023/0120490 A1, Apr. 20, 2023
Int. Cl. A61M 16/08 (2006.01); G01F 23/292 (2006.01); B01D 46/62 (2022.01); A61M 16/10 (2006.01); B01D 46/00 (2022.01)
CPC A61M 16/0808 (2013.01) [A61M 16/1005 (2014.02); A61M 16/107 (2014.02); B01D 46/0002 (2013.01); B01D 46/0086 (2013.01); B01D 46/62 (2022.01); G01F 23/2921 (2013.01); G01F 23/2922 (2013.01); G01F 23/2925 (2013.01); G01F 23/2927 (2013.01); A61M 2016/102 (2013.01); A61M 2205/14 (2013.01); A61M 2205/3306 (2013.01); A61M 2205/3379 (2013.01); A61M 2205/3382 (2013.01); A61M 2205/3386 (2013.01); A61M 2205/6063 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A method for therapeutic gas inhalation therapy, comprising:
powering on a therapeutic gas delivery system and, in response, determining whether a trap bowl is properly installed, based on a first optical sensor output;
upon determining the trap bowl is properly installed, determining whether the trap bowl has a remaining capacity, based at least in part on a second optical sensor output; and
upon determining the trap bowl is properly installed, in combination with determining the trap bowl has a remaining capacity, receiving a sample gas, filtering a liquid from the sample gas and delivering a result of the filtering by an output of the filtering.