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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12207909 B1

PDFFull Text
Date of Patent:
Jan. 28, 2025

Filed:

Dec. 08, 2022

Systems and methods for video-based patient monitoring during surgery

Applicant:

Covidien Lp, Mansfield, MA (US);

Inventors:

Paul S. Addison, Edinburgh, GB;

David Ming Hui Foo, Glasgow, GB;

Dominique Jacquel, Edinburgh, GB;

Assignee:

Covidien LP, Mansfield, MA (US);

Attorney:

Draft Masters IP, LLC

Primary Examiner:

Michael S Osinski

Int. Cl.
CPC ...
A61B 5/026 (2006.01); A61B 5/00 (2006.01); A61B 5/024 (2006.01); A61B 34/20 (2016.01); A61B 90/00 (2016.01); G06T 7/00 (2017.01); G16H 30/00 (2018.01); G16H 40/60 (2018.01); G16H 40/63 (2018.01);
U.S. Cl.
CPC ...
A61B 5/0261 (2013.01); A61B 5/0037 (2013.01); A61B 5/02444 (2013.01); A61B 5/7425 (2013.01); A61B 34/20 (2016.02); A61B 90/361 (2016.02); A61B 90/37 (2016.02); A61B 90/39 (2016.02); G06T 7/0012 (2013.01); G16H 30/00 (2018.01); G16H 40/60 (2018.01); G16H 40/63 (2018.01); A61B 2034/2055 (2016.02); A61B 2090/371 (2016.02); A61B 2090/373 (2016.02); A61B 2090/3983 (2016.02); G06T 2207/30004 (2013.01); G06T 2207/30048 (2013.01); G06T 2207/30061 (2013.01); G06T 2207/30101 (2013.01); G06T 2207/30104 (2013.01);
Abstract

The present invention relates to the field of medical monitoring, and in particular non-contact monitoring of one or more physiological parameters in a region of a patient during surgery. Systems, methods, and computer readable media are described for generating a pulsation field and/or a pulsation strength field of a region of interest (ROI) in a patient across a field of view of an image capture device, such as a video camera. The pulsation field and/or the pulsation strength field can be generated from changes in light intensities and/or colors of pixels in a video sequence captured by the image capture device. The pulsation field and/or the pulsation strength field can be combined with indocyanine green (ICG) information regarding ICG dye injected into the patient to identify sites where blood flow has decreased and/or ceased and that are at risk of hypoxia.

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