US 11,727,572 B2
Methods and systems for characterizing fluids from a patient
Siddarth Satish, Redwood City, CA (US); and Kevin J. Miller, Mountain View, CA (US)
Assigned to Gauss Surgical Inc., Menlo Park, CA (US)
Filed by Gauss Surgical, Inc., Menlo Park, CA (US)
Filed on Jun. 30, 2022, as Appl. No. 17/854,629.
Application 17/854,629 is a continuation of application No. 16/986,771, filed on Aug. 6, 2020, granted, now 11,410,311.
Application 16/986,771 is a continuation of application No. 15/154,929, filed on May 13, 2016, granted, now 10,789,710.
Claims priority of provisional application 62/232,255, filed on Sep. 24, 2015.
Claims priority of provisional application 62/162,154, filed on May 15, 2015.
Prior Publication US 2022/0327708 A1, Oct. 13, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. G06T 7/00 (2017.01); G06T 7/62 (2017.01); G06V 10/764 (2022.01); G01F 1/00 (2022.01); G01F 1/661 (2022.01); G06F 18/24 (2023.01)
CPC G06T 7/0016 (2013.01) [G06F 18/24 (2023.01); G06T 7/62 (2017.01); G06V 10/764 (2022.01); G01F 1/00 (2013.01); G01F 1/661 (2013.01); G06T 2207/10016 (2013.01); G06T 2207/10024 (2013.01); G06T 2207/30024 (2013.01); G06T 2207/30104 (2013.01); G06V 2201/03 (2022.01)] 20 Claims
OG exemplary drawing
 
1. A computer-implemented method for characterizing fluids from a patient, the method comprising:
receiving a time series of images of a conduit configured to receive the fluids from the patient;
identifying a conduit image region in the time series of images;
classifying a flow type of the fluids passing through the conduit as one of air, laminar liquid, and turbulent liquid by evaluating an air-liquid boundary of the fluid within the conduit image region in the time series of images; and
estimating a volumetric flow rate of the fluids in the conduit based on the classified flow type.