1
Theodore P Adams, Dennis A Brumwell, Joseph S Perttu, Charles G Supino: Dual battery power system for an implantable cardioverter defibrillator. Angeion Corporation, Patterson & Keough, December 13, 1994: US05372605 (113 worldwide citation)

An improved dual battery power system uses two separate battery power sources for an implantable cardioverter defibrillator, each having optimized characteristics for monitoring functions and for output energy delivery functions, respectively. The monitoring functions are supplied electrical power b ...


2
Joseph S Perttu, Dennis A Brumwell, James E Brewer, Theodore P Adams: R-wave detection method for implantable cardioverter defibrillators. Angeion Corporation, Brad Pedersen, January 20, 1998: US05709215 (102 worldwide citation)

An ICD detection method for sensing the occurrence of an R-wave improves the ability to distinguish R-waves from noise through the use of variable declining sensitivity thresholds. The method includes the consideration of the amplitude of at least the previous most recent R-wave to determine a decli ...


3
Mark W Kroll, Joseph S Perttu: Automatic battery-maintaining implantable cardioverter defibrillator and method for use. Angeion Corporation, Brad Pedersen, May 18, 1999: US05904705 (86 worldwide citation)

A device and method for performing automatic battery maintenance as particularly applied in an implantable cardioverter defibrillator (ICD). The battery is maintained at a predetermined state-of-charge to enable charging a capacitor in the ICD to discharge high voltage pulse into a human patient via ...


4
Mark W Kroll, Theodore P Adams, Joseph S Perttu, Charles Supino: Multiplexed defibrillation electrode apparatus. Angeion Corporation, Joel D Skinner, July 5, 1994: US05325870 (68 worldwide citation)

A defibrillation electrode apparatus which provides defibrillating, pacing, and sensing functions with the use of fewer conductors. Conductor requirements are minimized by solid-state multiplexing that is accomplished at the distal end of the apparatus.


5
Dennis A Brumwell, Joseph S Perttu, Mark W Kroll, Randall S Nelson: Shield for implantable cardioverter defibrillator. Angeion Corporation, Brad Pedersen, May 12, 1998: US05749910 (47 worldwide citation)

An implantable cardioverter defibrillator capable of subcutaneous positioning within a patient delivers at least one electrical cardioversion/defibrillation countershocks to the heart of the patient. The implantable cardioverter defibrillator includes a housing, circuitry positioned within the housi ...


6
Mark W Kroll, Theodore P Adams, Joseph S Perttu, Charles Supino: Implantable medical electrode with reduced number of conductors. Angeion Corporation, Patterson & Keough, July 2, 1996: US05531782 (22 worldwide citation)

A defibrillation electrode apparatus which provides defibrillating, pacing, and sensing functions with the use of fewer conductors. Conductor requirements are minimized by solid-state multiplexing that is accomplished at the distal end of the apparatus. The apparatus comprises:


7
Mark W Kroll, Joseph S Perttu: Automatic battery-maintaining implantable cardioverter defibrillator and method for use. Angeion Corporation, November 25, 1997: US05690685 (21 worldwide citation)

A device and method for performing automatic battery maintenance as particularly applied in an implantable cardioverter defibrillator (ICD). The battery is maintained at a predetermined state-of-charge to enable charging a capacitor in the ICD to discharge high voltage pulse into a human patient via ...


8
Mark W Kroll, Joseph S Perttu: Implantable cardioverter defibrillator with slew rate limiting. Angeion Corporation, Brad D Pedersen, July 8, 1997: US05645572 (19 worldwide citation)

The present invention is a pectorally implantable defibrillation system for delivering at least one electrical cardioversion/defibrillation countershock. The system has a housing designed to be implanted in a human patient, wherein the housing has an outer shell and an inner cavity. Pulse generating ...


9
Mark W Kroll, Joseph S Perttu: Implantable cardioverter defibrillator with slew rate limiting. Brad Pedersen, August 29, 2000: US06112118 (2 worldwide citation)

The present invention is a pectorally implantable defibrillation system for delivering at least one electrical cardioversion/defibrillation countershock. The system has a housing designed to be implanted in a human patient, wherein the housing has an outer shell and an inner cavity. Pulse generating ...


10
Theodore P Adams, Dennis A Brumwell, Joseph S Perttu, Charles G Supino: Dual battery power system for an implantable cardioverter defibrillator with voltage booster. Angeion, Patterson Thuente Skaar & Christensen P A, August 16, 2005: USRE038777

An improved dual battery power system uses two separate battery power sources for an implantable cardioverter defibrillator, each having optimized characteristics for monitoring functions and for output energy delivery functions, respectively. The monitoring functions are supplied electrical power b ...