US 11,712,176 B2
Systems and methods for video-based non-contact tidal volume monitoring
Paul S. Addison, Midlothian (GB); Dominique Jacquel, Edinburgh (GB); and David Ming Hui Foo, Glasgow (GB)
Assigned to Covidien, LP, Mansfield, MA (US)
Filed by Covidien LP, Mansfield, MA (US)
Filed on Dec. 13, 2018, as Appl. No. 16/219,360.
Claims priority of provisional application 62/614,763, filed on Jan. 8, 2018.
Prior Publication US 2019/0209046 A1, Jul. 11, 2019
Int. Cl. G06T 15/00 (2011.01); A61B 5/091 (2006.01); A61B 5/113 (2006.01); A61B 5/00 (2006.01); G06T 7/70 (2017.01); G06T 7/00 (2017.01)
CPC A61B 5/091 (2013.01) [A61B 5/0077 (2013.01); A61B 5/1135 (2013.01); A61B 5/7485 (2013.01); G06T 7/0014 (2013.01); G06T 7/70 (2017.01); G06T 2207/10016 (2013.01); G06T 2207/10028 (2013.01); G06T 2207/30196 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method of determining tidal volume of a patient, comprising:
receiving, using a processor, at least one image comprising depth information for at least a portion of the patient;
determining, using the processor, a reference point on the patient;
determining, using the processor, a region of interest based at least in part on the reference point, wherein the region of interest corresponds to a trunk area of the patient;
monitoring changes in the depth information in the region of interest over time;
receiving, using the processor, demographic information about the patient; and
determining, using the processor, a tidal volume of the patient based on the monitored changes in depth information and the received demographic information.