1
Chris J Diederich, Michael D Lesh, James C Peacock III, Michael R Ross: Circumferential ablation device assembly. The Regents of the University of California, Atrionix, Knobbe Martens Olson & Bear, September 12, 2000: US06117101 (718 worldwide citation)

This invention is a circumferential ablation device assembly which is adapted to forming a circumferential conduction block in a pulmonary vein. The assembly includes a circumferential ablation element which is adapted to ablate a circumferential region of tissue along a pulmonary vein wall which ci ...


2
Michael D Lesh, Michael Ronald Ross, Jonathan J Langberg, James C Peacock III: Circumferential ablation device assembly. The Regents of the University of California, Atrionix, Emory University, Knobbe Martens Olson & Bear, February 15, 2000: US06024740 (642 worldwide citation)

This invention is a circumferential ablation device assembly which is adapted to forming a circumferential conduction block in a pulmonary vein. The assembly includes a circumferential ablation element which is adapted to ablate a circumferential region of tissue along a pulmonary vein wall which ci ...


3
Michael D Lesh: Device and method for forming a circumferential conduction block in a pulmonary vein. The Regents of the University of California, James C Peacock III, John P O Banion, January 11, 2000: US06012457 (641 worldwide citation)

This is a method for treating a patient diagnosed with atrial arrhythmia by forming a circumferential conduction block along a circumferential path of tissue in a pulmonary vein wall that circumscribes the pulmonary vein lumen and transects the electrical conductivity of the pulmonary vein such that ...


4
Andrew G C Frazier, Erik J van der Burg, Michael D Lesh: Method and apparatus for closing a body lumen. Appriva Medical, Knobbe Martens Olson & Bear, May 15, 2001: US06231561 (631 worldwide citation)

Disclosed is a closure catheter, for closing a body cavity such as a vessel, or the left atrial appendage of the heart. The closure catheter includes a plurality of deployable tissue anchors, which may be laterally deployed into surrounding tissue. The anchors may thereafter be used to draw the tiss ...


5
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 ...


6
Michael D Lesh, Erik J van der Burg: Method and device for left atrial appendage occlusion. Appriva Medical, Knobbe Martens Olson & Bear, November 28, 2000: US06152144 (574 worldwide citation)

A device and method for obliterating or occluding a body cavity or passageway, in particular, the left atrial appendage of a patient's heart. The procedure can be carried out intraoperatively, but is preferably carried out percutaneously by use of a delivery catheter to position an occluding device ...


7
Chad C Roue, Andrew G C Frazier, Michael D Lesh, Erik J van der Burg: Method and apparatus for closing intracardiac septal defects. Appriva Medical, Knobbe Martens Olson & Bear, September 18, 2001: US06290674 (532 worldwide citation)

Disclosed is a closure catheter, for closing a tissue opening such as an atrial septal defect, patent foreman ovale, or the left atrial appendage of the heart. The closure catheter carries a plurality of tissue anchors, which may be deployed into tissue surrounding the opening, and used to draw the ...


8
Michael D Lesh, Stuart D Edwards: Systems and methods for ablating body tissue. Lyon & Lyon, July 13, 1999: US05921982 (501 worldwide citation)

A medical probe device for contacting tissue within the body a catheter tube having a control end and a probe end. The probe end includes a housing having a port. An element is located within the housing that is movable between a first position confined within the housing and a second position exten ...


9
Michael D Lesh: Tissue ablation device and method of use. The Regents of the University of California, James C Peacock III, John P O Banion, October 26, 1999: US05971983 (486 worldwide citation)

A tissue ablation device creates long linear lesions along a body space wall of an animal, and primarily between adjacent pulmonary vein ostia in a left atrial wall. An ablation element includes first and second ends that are bordered by first and second anchors. The anchors are adapted to secure th ...


10
Mark A Maguire, Martin F O&apos Sullivan, Edward L Carcamo, Michael D Lesh, Alan K Schaer, Kevin J Taylor, Guillermo P Picazo: Positioning system and method for orienting an ablation element within a pulmonary vein ostium. Atrionix, Knobbe Martens Olson & Bear, February 4, 2003: US06514249 (460 worldwide citation)

This invention relates to a surgical device and method. More particularly, it relates to a tissue ablation device assembly and method using a circumferential ablation member in combination with a position monitoring assembly in order to position the circumferential ablation member along a circumfere ...