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Michael D Lesh, Patrick M Owens, Jerome Jackson: Cardiac imaging and ablation catheter. The Regents of the University of California, Townsend and Townsend Khourie and Crew, January 31, 1995: US05385148 (609 worldwide citation)

Method and apparatus for ablation of cardiac tissue includes a catheter (2, 60) having an elongated flexible body (6, 64), a tissue characterization assembly including a transducer (34) at the distal end (16) of the body and a tissue ablation assembly having a tissue ablation tip (32) at the distal ...


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James G Whayne, Sidney D Fleischman, David K Swanson, Thomas M Bourne, Patrick M Owens: Atrial appendage stasis reduction procedure and devices. E P Technologies, Oppenheimer Wolff & Donnelly, February 2, 1999: US05865791 (492 worldwide citation)

Systems and methods reduce the effective volume of an atrial appendage by deploying first and second devices into the atrium. The first device carries a first element to affect positioning of the tissue surface in a repositioned orientation. The second device carries a second element to affix the ti ...


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David McGee, Patrick M Owens, James G Whayne, Russell B Thompson, Thomas F Kordis, David K Swanson, Dorin Panescu: Expandable-collapsible mesh electrode structures. EP Technologies, Lyon & Lyon, April 6, 1999: US05891136 (313 worldwide citation)

Collapsible electrode assemblies and associated methods employ an array of filaments assembled to form a mesh structure. The mesh structure is adapted to selectively assume an expanded geometry having a first maximum diameter and a collapsed geometry having a second maximum diameter less than the fi ...


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Jerome Jackson, James G Whayne, Patrick M Owens, Thomas F Kordis, Russell B Thompson, Dorin Panescu, David K Swanson: Expandable-collapsible electrode structures with distal end steering or manipulation. EP Technologies, Lyon & Lyon, December 8, 1998: US05846238 (283 worldwide citation)

Collapsible electrode assemblies and associated methods employing a structure having an axis and a distal end. The structure comprises a wall peripherally enclosing an interior. The structure is adapted to selectively assume an expanded geometry having a first maximum diameter about the axis and a c ...


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David K Swanson, Dorin Panescu, James G Whayne, Patrick M Owens, Russell B Thompson: Tissue heating and ablation systems and methods using porous electrode structures with electrically conductive surfaces. EP Technologies, Lyon & Lyon, August 25, 1998: US05797903 (257 worldwide citation)

Tissue heating and ablation systems and methods use a porous electrode assembly with an electrically conductive surface. The electrode assembly includes an exterior peripherally surrounding an interior area. At least a portion of the wall comprises an electrically conductive material. A lumen convey ...


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Stuart D Edwards, Jerome Jackson, Roger A Stern, Thomas M Morse, Patrick M Owens: Steerable microwave antenna systems for cardiac ablation that minimize tissue damage and blood coagulation due to conductive heating patterns. EP Technologies, Ryan Kees & Hohenfeldt, December 6, 1994: US05370678 (254 worldwide citation)

An antenna assembly has an energy propagating region that is encapsulated in a material having a high dielectric constant for minimizing the loss of energy while having a high thermal conductivity for dissipating conductive heat patterns about the energy propagating region.


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Stuart D Edwards, Jerome Jackson, Roger A Stern, Thomas M Morse, Patrick M Owens: Steerable ablation catheter system. EP Technologies, Lyon & Lyon, February 16, 1999: US05871525 (233 worldwide citation)

An antenna assembly has an energy propagating region that is encapsulated in a material having a high dielectric constant for minimizing the loss of energy while having a high thermal conductivity for dissipating conductive heat patterns about the energy propagating region.


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Dorin Panescu, David K Swanson, James G Whayne, Russell B Thompson, Patrick M Owens: Systems for heating and ablating tissue using multifunctional electrode structures. EP Technologies, Lyon & Lyon, November 3, 1998: US05830213 (185 worldwide citation)

Systems and methiods for heating or ablating tissue use a multifunctional electrode assembly. The electrode assembly includes a wall comprising an electrically conductive material peripherally surrounding an interior area. The wall has an interior surface facing the interior area and an oppositely f ...


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Patrick M Owens, James G Whayne, David K Swanson, Dorin Panescu: Electrode structures formed from flexible, porous, or woven materials. EP Technologies, Lyon & Lyon, March 9, 1999: US05879348 (154 worldwide citation)

Electrode structures are formed from flexible, porous, or woven materials. One such structure is made by forming first and second body sections, each including a peripheral edge. The first and second body sections are joined together about their peripheral edges with a seam, thereby forming a compos ...