1
William J Taylor, Douglas J Weiss, Joseph Lessar, Jennifer P Miller, Robert E Kraska: Battery with weldable feedthrough. Medtronic, Daniel W Latham, Harold R Patton, April 26, 1994: US05306581 (96 worldwide citation)

A lithium battery having a weldable feedthrough which is compatible with liquid electrolytes containing organic solvents and lithium salts under long term use conditions. The feedthrough comprises a pin of niobium or tantalum and ductile alloys thereof and a low silica insulating glass positioned ar ...


2
Robert E Kraska, Frank J Wilary, Joseph F Lessar: Hermetic electrical feedthrough assembly. Medtronic, Vidas & Arrett, July 7, 1987: US04678868 (90 worldwide citation)

A hermetic feedthrough consisting of a niobium electrical lead-in wire surrounded by an alumina insulator which is carried by a niobium ferrule, the feedthrough being particularly adapted for being welded to the titanium container of an implantable medical device. The niobium and alumina parts are j ...


3
William J Taylor, Joseph F Lessar, Louis E Halperin, Robert E Kraska: Body implanted device with electrical feedthrough. Medtronic, Thomas F Woods, Harold R Patton, October 13, 1998: US05821011 (66 worldwide citation)

A body implanted device including a container having an opening through which extends an electrical feedthrough. The feedthrough includes a terminal of bio-stable material. A glass insulator is positioned around the terminal. The glass insulator is chosen from a CABAL-12 type composition or variatio ...


4
Jenn Feng Yan, Paul A Pignato, Anthony R Rorvick, Robert E Kraska: Method of making a vacuum-treated liquid electrolyte-filled flat electrolytic capacitor. Medtronic, Thomas F Woods, Harold R Patton, August 8, 2000: US06099600 (58 worldwide citation)

An implantable medical device such as a defibrillator is described. The device includes an hermetically sealed housing containing a flat electrolytic capacitor and an energy source such as a battery. The battery is connected to the capacitor and provides charge thereto. The capacitor stores the char ...


5
Joseph F Lessar, Duane L Rosenberg, Robert E Kraska, James M Speckien, James E Upton: Medical electrical lead and method of manufacture. Medtronic, August 20, 1991: US05040544 (58 worldwide citation)

A medical electrical lead having a polyurethane outer sheath and one or more coiled metal conductors. The metal conductors are optimized for use in conjunction with a polyurethane sheath and are provided with a barrier coating of a biocompatible metal. The conductors may additionally be provided wit ...


6
Joseph F Lessar, Duane L Rosenberg, Robert E Kraska, James M Speckien, James E Upton: Medical electrical lead. Medtronic, Reed A Duthler, Joseph F Breimayer, August 14, 1990: US04947866 (53 worldwide citation)

A medical electrical lead having a polyurethane outer sheath and one or more coiled metal conductors. The metal conductors are optimized for use in conjunction with a polyurethane sheath and are provided with a barrier coating of a biocompatible metal. The conductors may additionally be provided wit ...


7
Jenn Feng Yan, Paul A Pignato, Anthony R Rorvick, Robert E Kraska: Method of making an hermetically sealed implantable medical device having a vacuum-treated liquid electrolyte-filled flat electrolytic capacitor. Medtronic, Girma Wolde Michael, Harold R Patton, February 6, 2001: US06184160 (46 worldwide citation)

An implantable medical device such as a defibrillator is described. The device includes an hermetically sealed housing containing a flat electrolytic capacitor and an energy source such as a battery. The battery is connected to the capacitor and provides charge thereto. The capacitor stores the char ...


8
Robert E Kraska, Pieter M J Mulier: Coupling assembly for implantable electromedical devices. Medtronic, Joseph F Breimayer, Irving S Rappaport, March 8, 1977: US04010760 (44 worldwide citation)

A body implantable electromedical device such as a cardiac pacemaker in which the stimulating signal generator module is detachably coupled to at least one of the power source modules and the leads, coupling being provided by assemblies which are body fluid corrosion resistant and inhibit current le ...


9
Robert E Kraska, Joseph F Lessar: Gold based alloy composition and brazing therewith, particularly for ceramic-metal seals in electrical feedthroughs. Medtronic, Schroeder Siegfried Ryan Vidas Steffey & Arrett, August 12, 1980: US04217137 (40 worldwide citation)

New alloys containing gold, vanadium, yttrium and/or scandium, optionally including niobium. The alloys are particularly suitable for brazing and for metallizing, most particularly for brazing hermetic ceramic-metal seals. Unique brazing structures and methods are also disclosed.


10
William J Taylor, Joseph F Lessar, Louis E Halperin, Robert E Kraska: Body implanted device with electrical feedthrough. Medtronic, Thomas F Woods, Girma Wolde Michael, Harold R Patton, July 18, 2000: US06090503 (29 worldwide citation)

A body implanted device including a container having an opening through which extends an electrical feedthrough. The feedthrough includes a terminal of bio-stable material. A glass insulator is positioned around the terminal. The glass insulator is chosen from a CABAL-12 type composition or variatio ...