Quetzal Biomedical, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0203,580 Method for multiple site, right ventricular pacing with improved left ventricular functionAbandonedApr 30, 04Sep 15, 05[A61N]
2004/0106,958 MULTI-ELECTRODE APPARATUS AND METHOD FOR TREATMENT OF CONGESTIVE HEART FAILUREAbandonedOct 01, 03Jun 03, 04[A61N]
2004/0019,366 System and method for classification of cardiac activity using multiple sensing locationsAbandonedJul 25, 02Jan 29, 04[A61N]
2003/0217,463 Method and apparatus for manufacturing implantable electrodes having controlled surface area and integral conductorsAbandonedMay 24, 02Nov 27, 03[B23P, H01R]
6643546 Multi-electrode apparatus and method for treatment of congestive heart failureExpiredFeb 13, 02Nov 04, 03[A61N]
2003/0149,456 Multi-electrode cardiac lead adapter with multiplexerAbandonedFeb 01, 02Aug 07, 03[A61N]
2003/0060,866 Multi-electrode stimulation parallel to cardiac myofibersAbandonedSep 25, 01Mar 27, 03[A61N]
2003/0040,676 Method and apparatus for determining spatial relation of multiple implantable electrodesAbandonedApr 25, 02Feb 27, 03[A61B]
2002/0193,836 Leads for the treatment of patients with CHFAbandonedApr 29, 02Dec 19, 02[A61N]
6480747 Cardiac electrode catheter and method of manufacturing sameExpiredJan 16, 01Nov 12, 02[A61N]

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