US Patent No: 5,690,689

Number of patents in Portfolio can not be more than 2000

Dual-chamber implantable stimulation device having adaptive AV intervall and method for treating cardiomyopathy thereof

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Abstract

A dual-chamber implantable pacemaker configured to operate in the DDD or DDDR mode automatically sets its AV (or PV) interval to an amount that is equal to the natural conduction time of a patient plus or minus a small prescribed amount, e.g., 1-100 msec. When set to a value that is less than the natural conduction time, preemptive ventricular pacing thus occurs at a time in the patient's cardiac cycle that is near when a natural ventricular contraction (an R-wave) would occur. Such ventricular pacing causes a mechanical contraction sequence of the patient's heart that differs from the natural contraction sequence following a natural depolarization, resulting in improved cardiac output. The pacemaker includes a pulse generator that generates ventricular stimulation pulses (V-pulses) at the conclusion of a pacemaker-defined AV (or PV) interval if no natural ventricular activity (an R-wave) is sensed during such AV (or PV) interval. The AV (or PV) intervals are automatically adjusted by the pacemaker to be a function of the natural conduction time sensed by the pacemaker, where the natural conduction time is the time between atrial activity (a sensed P-wave or a delivered A-pulse) and the subsequent natural ventricular activity (R-wave).

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
PACESETTER, INC.SYLMAR, CA2055

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sholder, Jason A Fort Lee, NJ 43 3310

Cited Art

Patent Info (Count) # Cites Year
 
SIEMENS ELEMA AB (1)
5,340,361 Implantable pacemaker having adaptive AV interval adoptively shortened to assure ventricular pacing 68 1992
 
VITATRON MEDICAL, B.V. (1)
4,554,921 Dual chamber pacemaker with automatic high rate limit mode determination 56 1983

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
CARDIAC PACEMAKERS, INC. (74)
6,144,880 Cardiac pacing using adjustable atrio-ventricular delays 132 1998
7,062,325 Method and apparatus for treating irregular ventricular contractions such as during atrial arrhythmia 26 1999
6,430,438 Cardiac rhythm management system with atrial shock timing optimization 54 1999
6,351,669 Cardiac rhythm management system promoting atrial pacing 67 1999
6,285,907 System providing ventricular pacing and biventricular coordination 201 1999
7,203,535 System and method for classifying tachycardia arrhythmias having 1:1 atrial-to-ventricular rhythms 19 1999
6,360,127 Cardiac pacing using adjustable atrio-ventricular delays 108 2000
7,039,461 Cardiac pacing system for prevention of ventricular fibrillation and ventricular tachycardia episode 18 2000
6,351,673 Cardiac pacing using adjustable atrio-ventricular delays 79 2000
6,353,759 Cardiac rhythm management system promoting a trial pacing 70 2000
7,142,918 Apparatus and method for pacing mode switching during atrial tachyarrhythmias 19 2000
6,957,100 Method and system for display of cardiac event intervals in a resynchronization pacemaker 15 2000
6,501,988 Apparatus and method for ventricular rate regularization with biventricular sensing 59 2000
6,411,848 System providing ventricular pacing and biventricular coordination 150 2001
6,832,113 Non-invasive method and apparatus for cardiac pacemaker pacing parameter optimization and monitoring of cardiac dysfunction 61 2001
6,597,951 Automatic selection from multiple cardiac optimization protocols 125 2001
6,542,775 Cardiac pacing using adjustable atrio-ventricular delays 147 2001
7,239,914 Rate smoothing control 7 2001
6,763,267 Ventricular conduction delay trending system and method 34 2002
7,206,634 Method and apparatus for optimizing cardiac pumping performance 13 2002
7,120,490 Cardiac rhythm management system with atrial shock timing optimization 9 2002
6,684,103 Cardiac pacing using adjustable atrio-ventricular delays 64 2002
6,988,002 Apparatus and method for ventricular rate regularization with biventricular sensing 13 2002
7,069,077 Rate smoothing control 9 2002
7,123,962 Phonocardiographic image-based atrioventricular delay optimization 38 2002
7,158,830 Method and apparatus for optimizing stroke volume during DDD resynchronization therapy using adjustable atrio-ventricular delays 31 2002
7,110,817 Method and apparatus for optimizing ventricular synchrony during DDD resynchronization therapy using adjustable atrio-ventricular delays 39 2002
6,687,541 Method for delivering atrial defibrillation therapy 23 2002
7,062,316 Cross chamber interval correlation 2 2003
7,013,176 Method and apparatus for setting pacing parameters in cardiac resynchronization therapy 33 2003
7,181,278 Apparatus and method for ventricular rate regularization 7 2003
7,142,915 Apparatus and method for ventricular rate regularization 10 2003
6,859,665 Cardiac pacing using adjustable atrio-ventricular delays 36 2003
6,856,836 Cardiac pacing using adjustable atrio-ventricular delays 27 2003
7,231,248 Resynchronization method and apparatus based on intrinsic atrial rate 15 2003
7,212,860 Apparatus and method for pacing mode switching during atrial tachyarrhythmias 11 2003
7,184,835 Method and apparatus for adjustable AVD programming using a table 29 2003
7,310,554 Method and apparatus for adjustment of sequential biventricular pacing parameters 20 2003
7,215,997 Dynamic device therapy control for treating post myocardial infarction patients 32 2003
7,194,307 Pacing method and device for preserving native conduction system 6 2003
7,047,066 Method and system for display of cardiac event intervals in a resynchronization pacemaker 13 2004
7,460,908 System providing ventricular pacing and biventricular coordination 7 2004
7,383,086 Ventricular conduction delay trending system and method 9 2004
7,366,569 Non-invasive method and apparatus for cardiac pacemaker pacing parameter optimization and monitoring of cardiac dysfunction 25 2004
7,981,065 Lead electrode incorporating extracellular matrix 0 2004
7,856,270 Cardiac pacing using adjustable atrio-ventricular delays 2 2005
7,613,514 Selective resynchronization therapy optimization based on user preference 4 2005
7,630,764 Method and system for delivering cardiac resynchronization therapy with variable atrio-ventricular delay 6 2005
8,108,034 Systems and methods for valvular regurgitation detection 3 2005
8,046,069 Method and apparatus for control of cardiac therapy using non-invasive hemodynamic sensor 0 2005
7,826,897 Cardiac pacemaker with pacing rate monitoring 0 2005
7,869,871 Pacing therapy for diastolic heart failure 0 2006
7,742,814 Cardiac pacing system for prevention of ventricular fibrillation and ventricular tachycardia episode 5 2006
7,680,530 Method and system for display of cardiac event intervals in a resynchronization pacemaker 5 2006
8,064,997 Method and apparatus for treating irregular ventricular contractions such as during atrial arrhythmia 0 2006
7,529,585 Method and apparatus for optimizing ventricular synchrony during DDD resynchronization therapy using adjustable atrio-ventricular delays 6 2006
7,805,192 Apparatus and method for pacing mode switching during atrial tachyarrhythmias 7 2006
7,974,695 Method and apparatus for optimizing stroke volume during DDD resynchronization therapy using adjustable atrio-ventricular delays 0 2006
8,249,703 Apparatus and method for ventricular rate regularization 0 2007
7,844,332 Atrioventricular delay adjustment enhancing ventricular tachyarrhythmia detection 1 2007
7,822,473 Resynchronization method and apparatus based on intrinsic atrial rate 2 2007
7,844,330 Dynamic device therapy control for treating post myocardial infarction patients 2 2007
7,856,267 Apparatus and method for pacing mode switching during atrial tachyarrhythmias 5 2007
8,126,547 Method and apparatus for adjustment of sequential biventricular pacing parameters 0 2007
8,135,465 System providing ventricular pacing and biventricular coordination 0 2008
7,899,532 Method and apparatus for minimizing post-infarct ventricular remodeling 0 2009
8,032,214 Method and apparatus for optimizing ventricular synchrony during DDD resynchronization therapy using adjustable atrio-ventricular delays 0 2009
8,041,426 Selective resynchronization therapy optimization based on user preference 0 2009
8,121,685 Method and system for delivering cardiac resynchronization therapy with variable atrio-ventricular delay 0 2009
8,103,334 Method and system for display of cardiac event intervals in a resynchronization pacemaker 5 2010
8,239,021 Cardiac pacing system for prevention of ventricular fibrillation and ventricular tachycardia episode 0 2010
8,364,261 Cardiac pacemaker with pacing rate monitoring 0 2010
8,103,345 Cardiac pacing using adjustable atrio-ventricular delays 2 2010
8,391,974 Apparatus and method for pacing mode switching during atrial tachyarrhythmias 0 2010
 
PACESETTER, INC. (4)
6,792,307 Implantable cardiac stimulation system and method for measuring atrioventricular conduction and adjusting atrioventricular hysteresis 38 2001
6,925,326 Implantable cardiac stimulation system and method for measuring atrioventricular conduction and adjusting atrioventricular hystersis 44 2002
6,766,197 System and method with improved automatic testing functions for automatic capture verification 7 2002
7,324,844 Implantable cardiac stimulation system and method for measuring atrioventricular conduction and adjusting atrioventricular hysteresis 2 2004