1
Andrew P Kramer, Jeffrey E Stahmann, Rene H Wentkowski, Kenneth L Baker, Jesse W Hartley, David B Krig: System providing ventricular pacing and biventricular coordination. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, September 4, 2001: US06285907 (294 worldwide citation)

A cardiac rhythm management system includes techniques for computing an indicated pacing interval, AV delay, or other timing interval. In one embodiment, a variable indicated pacing interval is computed based at least in part on an underlying intrinsic heart rate. The indicated pacing interval is us ...


2
Jiang Ding, Yinghong Yu, Andrew P Kramer, Julio Spinelli: Cardiac pacing using adjustable atrio-ventricular delays. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, April 1, 2003: US06542775 (265 worldwide citation)

A pacing system for providing optimal hemodynamic cardiac function for parameters such as contractility (peak left ventricle pressure change during systole or LV+dp/dt), or stroke volume (aortic pulse pressure) using system for calculating atrio-ventricular delays for optimal timing of a ventri ...


3
Andrew P Kramer, Jeffrey E Stahmann, Rene H Wentkowski, Kenneth L Baker, Jesse W Hartley, David B Krig: System providing ventricular pacing and biventricular coordination. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, June 25, 2002: US06411848 (211 worldwide citation)

A cardiac rhythm management system includes techniques for computing an indicated pacing interval, AV delay, or other timing interval. In one embodiment, a variable indicated pacing interval is computed based at least in part on an underlying intrinsic heart rate. The indicated pacing interval is us ...


4
Andrew P Kramer, Veerichetty Kadhiresan, Jiang Ding, Lawrence Baumann, Scott Vanderlinde: Automatic selection from multiple cardiac optimization protocols. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, July 22, 2003: US06597951 (204 worldwide citation)

A method and system for setting the operating parameters of a cardiac rhythm management device in which a plurality of parameter optimization algorithms are available. A measured feature of an electrophysiological signal such as QRS width has been shown to be useful in selecting among certain parame ...


5
Andrew P Kramer, Rodney W Salo, Julio C Spinelli, Bruce H KenKnight: Apparatus and method for reversal of myocardial remodeling with electrical stimulation. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, September 30, 2003: US06628988 (194 worldwide citation)

An apparatus and method for reversing ventricular remodeling with electro-stimulatory therapy. A ventricle is paced by delivering one or more stimulatory pulses in a manner such that a stressed region of the myocardium is pre-excited relative to other regions in order to subject the stressed region ...


6
Jiang Ding, Yinghong Yu, Andrew P Kramer, Julio Spinelli: Cardiac pacing using adjustable atrio-ventricular delays. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, March 19, 2002: US06360127 (182 worldwide citation)

A pacing system for providing optimal hemodynamic cardiac function for parameters such as contractility (peak left ventricle pressure change during systole or LV+dp/dt), or stroke volume (aortic pulse pressure) using system for calculating atrio-ventricular delays for optimal timing of a ventri ...


7
Jiang Ding, Yinghong Yu, Andrew P Kramer, Julio Spinelli: Cardiac pacing using adjustable atrio-ventricular delays. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, November 7, 2000: US06144880 (169 worldwide citation)

A pacing system for providing optimal hemodynamic cardiac function for parameters such as contractility (peak left ventricle pressure change during systole or LV+dp/dt), or stroke volume (aortic pulse pressure) using system for calculating atrio-ventricular delays for optimal timing of a ventricular ...


8
Jiang Ding, Yinghong Yu, Andrew P Kramer, Julio Spinelli: Cardiac pacing using adjustable atrio-ventricular delays. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, February 26, 2002: US06351673 (139 worldwide citation)

A pacing system for providing optimal hemodynamic cardiac function for parameters such as contractility (peak left ventricle pressure change during systole or LV+dp/dt), or stroke volume (aortic pulse pressure) using system for calculating atrio-ventricular delays for optimal timing of a ventri ...


9
Jeffrey E Stahmann, Andrew P Kramer: Method and apparatus for maintaining synchronized pacing. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, January 28, 2003: US06512952 (117 worldwide citation)

A device and method for cardiac rhythm management in which a cardiac site is paced in accordance with a pacing mode that employs sense signals from a different cardiac site. A protective period triggered by the sensing of intrinsic activity at the paced site is used to delay pacing by a protective d ...


10
Jesse W Hartley, Andrew P Kramer, Jeffrey E Stahmann, David B Krig: Cardiac rhythm management system promoting a trial pacing. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, March 5, 2002: US06353759 (114 worldwide citation)

A cardiac rhythm management system includes an atrial pacing preference (APP) filter for promoting atrial pacing. The APP filter includes an infinite impulse response (IIR) or other filter that controls the timing of delivery of atrial pacing pulses. The atrial pacing pulses are delivered at an APP- ...