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:
Jul. 06, 2004
Filed:
Dec. 03, 2001
Method and apparatus for measuring lead impedance in an implantable cardiac rhythm management device
Applicant:
Inventors:
Russell E. Anderson, Marine on St. Croix, MN (US);
David J. Yonce, Fridley, MN (US);
Assignee:
Cardiac Pacemakers, Inc., St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N 1/375 ;
U.S. Cl.
CPC ...
A61N 1/375 ;
Abstract
A method and apparatus for measuring the lead impedance of a medical lead used with an implantable medical stimulator which relies upon a count of the number of switching cycles of a switching converter power supply to replenish the energy delivered from an pacing capacitor in delivering a stimulating pulse to tissue.