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:
Dec. 09, 2014
Filed:
Nov. 25, 2011
Cesar Oswaldo Navarro-paredes, Newtownabbey, GB;
Janice Anderson, Hollywood Down, GB;
Cesar Oswaldo Navarro-Paredes, Newtownabbey, GB;
John McCune Anderson, Hollywood Down, GB;
Heartsine Technologies Limited, Belfast, GB;
Abstract
An external defibrillator includes patient electrodes () for obtaining the patient's electrocardiogram (ECG) and for applying a shock to the patient. A microprocessor () analyses the patient's ECG using a diagnostic algorithm to detect if the patient's heart is in a shockable rhythm, and shock delivery circuitry () is enabled when a shockable rhythm is detected by the diagnostic algorithm. The patient electrodes also allow obtaining a signal (Z) which is a measure of the patient's transthoracic impedance and the microprocessor is responsive to Z to detect conditions likely to cause the diagnostic algorithm to generate a false detection of a shockable rhythm. If such detection is made, the microprocessor prevents detection of a shockable rhythm by the diagnostic algorithm, at least for a period of time.