1
John D Wahlstrand, Daniel J Baxter, R Michael Ecker, Daniel R Greeninger, Charles G Yerich: Automatic lead recognition for implantable medical device. Medtronic, Michael B Atlass, Harold R Patton, July 9, 1996: US05534018 (290 worldwide citation)

A method and apparatus for determining the availability of unipolar and/or bipolar pacing/sensing paths in a body-implantable cardiac pacing system. In one embodiment, a pacemaker system includes impedance monitoring circuitry for periodically measuring impedance between pairs of electrodes that are ...


2
Charles G Yerich, William J Combs, Karen J Kleckner, Eric J Panken, Richard S Schallhorn, John D Wahlstrand: Method and apparatus for rate-responsive cardiac pacing. Medtronic, Michael B Atlass, Harold R Patton, October 8, 1996: US05562711 (159 worldwide citation)

A body-implantable rate-responsive cardiac pacemaker is provided with circuitry for sensing a plurality of physiologic parameters known to be indicative of a patient's metabolic demand for increased cardiac output. In one embodiment, a rate-responsive pacemaker is provided with an activity sensor fo ...


3
Carleen J Juran, Karen J Kleckner, Charles G Yerich: Multi-site cardiac pacing system having trigger pace window. Medtronic, Michael C Soldner, Girma Wolde Michael, October 15, 2002: US06466820 (115 worldwide citation)

Multi-site cardiac pacing systems for providing pacing to multiple spaced apart sites of a patient's heart, including especially but not limited to sites in right heart chamber (RHC) and left heart chamber (LHC), in triggered pacing modes while avoiding inappropriate delivery of triggered pacin ...


4
Karen J Kleckner, Carleen J Juran, Robert A Betzold, Thomas C Wendell, Charles G Yerich: Multi-site cardiac pacing system having conditional refractory period. Medtronic, Girma Wolde Michael, December 17, 2002: US06496730 (85 worldwide citation)

Multi-site cardiac pacing systems for providing pacing to multiple sites in a patient's heart, e.g., in a single heart chamber or in right and left heart chambers, while avoiding inappropriate responses to double sensing of an evoked depolarization conducted between the sites. A conditional ref ...


5
Charles G Yerich, Karen J Kleckner, Carleen J Juran: Cardiac pacing system delivering multi-site pacing in a predetermined sequence triggered by a sense event. Medtronic, Girma Wolde Michael, September 24, 2002: US06456878 (33 worldwide citation)

A system for pacing in a right and its corresponding left heart chamber provides a predetermined or programmable triggered delay in a predetermined or programmable, right-to-left or left-to right sequence without first determining from which of the two chambers a triggering event originated. Devices ...


6
Charles G Yerich, Karen J Kleckner, Carleen J Juran: AV synchronous cardiac pacing system delivering multi-site ventricular pacing triggered by a ventricular sense event during the AV delay. Medtronic, Girma Wolde Michael, November 5, 2002: US06477415 (31 worldwide citation)

A pacing system for selectively sensing spontaneous ventricular cardiac depolarizations at first and second spaced apart ventricular sites during the time-out of an AV delay and delivering pace pulses to the spaced apart ventricular sites in a triggered pacing mode. The first and second ventricular ...


7
Charles G Yerich, Karen J Kleckner: System and method for remote pacing threshold assessment. Medtronic, Stephen W Bauer, June 15, 2010: US07738960

A cardiac rhythm management system includes an implantable medical device capable of delivering cardiac therapy and sensing an EGM. The implantable medical device undergoes threshold testing and transmits testing data to a computer via a remote monitor.


8
Charles G Yerich, Karen J Kleckner: System and method for remote pacing threshold assessment. Medtronic, October 5, 2006: US20060224205-A1

A cardiac rhythm management system includes an implantable medical device capable of delivering cardiac therapy and sensing an EGM. The implantable medical device undergoes threshold testing and transmits testing data to a computer via a remote monitor.