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.

Date of Patent:
Feb. 18, 2020

Filed:

Dec. 09, 2015
Applicant:

Koninklijke Philips N.v., Eindhoven, NL;

Inventors:

Chenguang Liu, Bothell, WA (US);

Stacy Earl Gehman, Seattle, WA (US);

James Knox Russell, Seattle, WA (US);

Christopher William Fleming, Snohomish, WA (US);

Dawn Blilie Jorgenson, Mercer Island, WA (US);

David Roy Axness, Fall City, WA (US);

Jeffrey Martin Boschee, Woodinville, WA (US);

Assignee:

KONINKLIJKE PHILIPS N.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N 1/39 (2006.01); A61B 5/00 (2006.01); A61B 5/046 (2006.01); A61B 5/04 (2006.01);
U.S. Cl.
CPC ...
A61N 1/3987 (2013.01); A61B 5/046 (2013.01); A61B 5/04012 (2013.01); A61B 5/4836 (2013.01); A61N 1/39 (2013.01); A61N 1/3904 (2017.08); A61N 1/3925 (2013.01); A61N 1/3993 (2013.01); A61B 5/7225 (2013.01);
Abstract

A defibrillator (AED) and method for using a defibrillator using two different ECG analysis algorithms which work sequentially to improve the accuracy of AED shock decisions. A first algorithm, such as (ART), is particularly suited for analysis in the presence of CPR periods. A second algorithm, such as (PAS), is particularly suited for analysis during hands-off periods. The AED switches algorithms depending on the period and on the current analysis of the cardiac rhythm. The inventions thus provide an optimized ECG analysis scheme in a manner that improves the effectiveness of the rescue, resulting in more CPR 'hands-on' time, better treatment of refibrillation, and reduced transition times between CPR and electrotherapy.


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