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. 10, 2009

Filed:

Jun. 01, 2004
Applicants:

Douglas Denney, Sammamish, WA (US);

Thomas Lyster, Bothell, WA (US);

Joseph Diederichs, Seattle, WA (US);

Daniel Kingsbury, Seattle, WA (US);

Eric Jonsen, Seattle, WA (US);

Alan Greenstein, Seattle, WA (US);

Thomas A. Solosko, Issaquah, WA (US);

Daniel J. Powers, Issaquah, WA (US);

Inventors:

Douglas Denney, Sammamish, WA (US);

Thomas Lyster, Bothell, WA (US);

Joseph Diederichs, Seattle, WA (US);

Daniel Kingsbury, Seattle, WA (US);

Eric Jonsen, Seattle, WA (US);

Alan Greenstein, Seattle, WA (US);

Thomas A. Solosko, Issaquah, WA (US);

Daniel J. Powers, Issaquah, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Handling or removal of a pair of pre-connected defibrillator electrode pads from their package, or a compartment in the defibrillator, is detected in order to effectively time the issuance of prompts to guide the user. Detection occurs when an impedance level between the electrode pads varies sufficiently over time to indicate occurrence of the handling or removal event. The pads are preferably configured to leverage variability in the impedance that results from bending of pads during handling or removal.


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