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:
Nov. 11, 2008
Filed:
Oct. 15, 2003
J. Christopher Moulder, Encino, CA (US);
Gabriel A. Mouchawar, Valencia, CA (US);
Steven W. Badelt, Granada Hills, CA (US);
Mark W. Kroll, Simi Valley, CA (US);
J. Christopher Moulder, Encino, CA (US);
Gabriel A. Mouchawar, Valencia, CA (US);
Steven W. Badelt, Granada Hills, CA (US);
Mark W. Kroll, Simi Valley, CA (US);
Pacesetter, Inc., Sylmar, CA (US);
Abstract
An output circuit for use in an implantable cardiac defibrillation provides an output pulse having a waveform of virtually any desired shape. The device includes a sensing circuit that senses cardiac activity. An arrhythmia detector detects fibrillation responsive to the cardiac activity signal. The device further includes an output circuit that provides a stimulation output pulse when the arrhythmia detector detects a cardiac arrhythmia. The output circuit includes an H-bridge having a pair of switching devices which control the output pulse waveform with pulse-width modulation and a second pair of switching devices that control the output pulse polarity.