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.:
Date of Patent:
Apr. 28, 2026
Filed:
Dec. 10, 2019
Applicant:
Maquet Critical Care Ab, Solna, SE;
Inventor:
Magnus Hallbäck, Danderyd, SE;
Assignee:
MAQUET CRITICAL CARE AB, Solna, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/083 (2006.01); A61M 16/00 (2006.01);
U.S. Cl.
CPC ...
A61B 5/0836 (2013.01); A61B 5/0833 (2013.01); A61M 16/024 (2017.08); A61M 2205/502 (2013.01);
Abstract
A method is for continuous and noninvasive estimation of mixed venous blood saturation [SvO2] in a mechanically ventilated subject. The method includes the steps of measuring an expiratory carbon dioxide [CO2] content in expiration gas exhaled by the subject, measuring an expiratory flow or volume of expiration gas exhaled by the subject, estimating a cardiac output [CO] or an effective pulmonary blood flow [EPBF] of the subject from the measured expiratory CO2 content and the measured expiratory flow or volume using a capnodynamic Fick method, and estimating SvO2 based on the estimated CO or the EPBF of the subject.