Christopher A Fleming

US Patent:

20200139143, May 7, 2020

Filed:

Jan 8, 2020

Appl. No.:

16/737446

Inventors:

- Eindhoven, NL
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

International Classification:

A61N 1/39
A61B 5/04
A61B 5/046
A61B 5/00

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.

US Patent:

20190329058, Oct 31, 2019

Filed:

May 16, 2019

Appl. No.:

16/413836

Inventors:

- EINDHOVEN, NL
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

International Classification:

A61N 1/39
A61B 5/04
A61B 5/00
A61H 31/00

Abstract:

A defibrillator and method for using a defibrillator which adopts an ECG analysis algorithm that can detect a cardiac arrhythmia in the presence of noise artifact induced by cardio pulmonary resuscitation (CPR) compressions. The apparatus and method offers guidance throughout a cardiac rescue protocol involving both defibrillation shocks and CPR 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.

US Patent:

20180140857, May 24, 2018

Filed:

May 23, 2016

Appl. No.:

15/579610

Inventors:

- EINDHOVEN, NL
JAMES KNOX RUSSELL - SEATTLE WA, US
DAWN BLILIE JORGENSON - MERCER ISLAND WA, US
HARIS DURIC - BOTHELL WA, US
STACY EARL GEHMAN - SEATTLE WA, US
CHRISTOPHER WILLIAM FLEMING - SNOHOMISH WA, US

International Classification:

A61N 1/39
A61B 5/00
A61B 5/053
A61H 31/00

Abstract:

A method and associated apparatus () detects the presence and quality of chest compressions during cardiopulmonary resuscitation (CPR) by analyzing existing signals in automated external defibrillator (AED) devices without using a stand-alone CPR meter. The method includes analyzing both a thoracic impedance signal and a common-mode current signal, each of which can be measured with standard AED pads (). The method applies criteria to the measured signals, the criteria being used to select which of the measured signals to use for providing CPR chest compression detections.

US Patent:

20180001100, Jan 4, 2018

Filed:

Dec 9, 2015

Appl. No.:

15/534309

Inventors:

- EINDHOVEN, NL
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

International Classification:

A61N 1/39
A61B 5/04
A61H 31/00
A61B 5/00

Abstract:

A defibrillator and method for using a defibrillator which adopts an ECG analysis algorithm that can detect a cardiac arrhythmia in the presence of noise artifact induced by cardio pulmonary resuscitation (CPR) compressions. The apparatus and method offers guidance throughout a cardiac rescue protocol involving both defibrillation shocks and CPR 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.

US Patent:

20170361118, Dec 21, 2017

Filed:

Dec 9, 2015

Appl. No.:

15/529662

Inventors:

- EINDHOVEN, NL
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

International Classification:

A61N 1/39
A61B 5/04
A61B 5/00
A61B 5/046

Abstract:

A defibrillator (AED) 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.

US Patent:

20170361121, Dec 21, 2017

Filed:

Dec 9, 2015

Appl. No.:

15/534047

Inventors:

- EINDHOVEN, NL
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

International Classification:

A61N 1/39
A61B 5/04
A61B 5/00
A61B 5/046

Abstract:

A defibrillator and method for using a defibrillator which adopts an ECG analysis algorithm that can detect a cardiac arrhythmia in the presence of noise artifact induced by cardio pulmonary resuscitation (CPR) compressions. The apparatus and method provides both of a continuous and scheduled mode of operation for interleaving periods of CPR with electrotherapy, 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.