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:
Aug. 03, 2004
Filed:
May. 20, 2002
Applicant:
Inventors:
Geng Zhang, Vadnais Heights, MN (US);
Qingsheng Zhu, Little Canada, MN (US);
Laura Mepham, Shoreview, MN (US);
Jesse W. Hartley, Lino Lakes, MN (US);
Assignee:
Cardiac Pacemakers, Inc., St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
A61N 1/365 ;
U.S. Cl.
CPC ...
A61N 1/365 ;
Abstract
A method and apparatus for automatically adjusting the sensing threshold of cardiac rhythm management devices. The invention is particularly suited for implementation in devices such as implantable cardiac pacemakers and implantable cardioverter/defibrillators. A method and apparatus are provided in which a noise level and signal level for a sensing channel are determined for each cardiac cycle with the sensing threshold of the channel being adjusted in accordance therewith.