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Paul A Spence, Warren P Williamson IV, George Christakis, Mark Ortiz, Craig B Berky, Douglas P Allen, Matthew J Huddleston, Delbert Ted Leimbach, Cecil R Robinson, E Dale VanHoose, Thomas J Ward, Marty J Warnecke: Apparatus and method for performing an anastomosis. Origin Medsystems, Law Office of Alan W Cannon, April 26, 2005: US06884251 (11 worldwide citation)

An anastomosis is performed using a flexible mounting structure mounted on the outside of at least one vessel. Fasteners extend through the vessel and are bent towards the incision to attach the flexible mounting structure to the vessel in a manner that controls the edge of the vessel adjacent to th ...


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Paul A Spence, Warren P Williamson IV, Mark Ortiz: Device to permit offpump beating heart coronary bypass surgery. Maquet Cardiovascular, Law Office of Alan W Cannon, January 13, 2009: US07476199 (10 worldwide citation)

A system for manipulating a heart during cardiac surgery permits coronary surgery on a beating heart while maintaining cardiac output unabated and uninterrupted. Circumflex coronary artery surgery can be performed using the system. A component of the system engages the heart with a head of a heart p ...


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Paul A Spence, Warren P Williamson IV, Mark Ortiz: Device to permit offpump beating heart coronary bypass surgery. MAQUET Cardiovascular, Alan W Cannon, January 13, 2009: US07476196 (8 worldwide citation)

A suction cup adapted to engage a surface of a beating heart with sufficient force to move the beating heart to an unnatural position upon moving the suction cup, while the suction cup maintains engagement with the surface of the heart and the heart continues to beat. Various suction cups are descri ...


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Paul A Spence, Warren P Williamson IV, Mark Ortiz: Device to permit offpump beating heart coronary bypass surgery. Origin Medsystems, Law Office of Alan W Cannon, May 27, 2008: US07377895 (7 worldwide citation)

A system for use in conducting coronary surgery permits coronary surgery on a beating heart while maintaining cardiac output unabated and uninterrupted. Circumflex coronary artery surgery can be performed using the system. The system includes a first device for engaging and repositioning the beating ...


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Robert Pearson, Mark Ortiz, Peter Callas: Irreversible electroporation (IRE) for congestive obstructive pulmonary disease (COPD). AngioDynamics, Peter J Flora, March 29, 2016: US09295516 (5 worldwide citation)

A method for treating Chronic Obstructive Pulmonary Disease (COPD) or chronic bronchitis to alleviate the discomforts of breathing by using non-thermal electroporation energy to ablate diseased portions of the lung including the bronchus, airways and alveoli which, in effect, opens the restrictive d ...


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Paul A Spence, Warren P Williamson IV, Mark Ortiz: Device to permit offpump beating heart coronary bypass surgery. Maquet Cardiovascular, November 27, 2012: US08317695 (2 worldwide citation)

A system for manipulating a heart during cardiac surgery permits coronary surgery on a beating heart while maintaining cardiac output unabated and uninterrupted. Circumflex coronary artery surgery can be performed using the system. A component of the system engages the heart with a heart positioning ...


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Paul A Spence, Mark Ortiz: Heart valve repair apparatus and methods. Paul A Spence, Kevin G Rooney, Wood Herron & Evans, May 1, 2003: US20030083742-A1 (2 worldwide citation)

Valve repair apparatus and methods for ensuring proper coaptation and operation of the leaflets of a heart valve. Main aspects of the disclosure relate to devices including a support member configured for attachment to the heart valve annulus, a post extending from the support member away from the p ...


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Paul A Spence, Warren P Williamson IV, Mark Ortiz: Device to permit offpump beating heart coronary bypass surgery. Maquet Cardiovascular, Alan W Cannon, April 24, 2012: US08162817 (1 worldwide citation)

A suction cup adapted to engage a surface of a beating heart with sufficient force to move the beating heart to an unnatural position upon moving the suction cup, while the suction cup maintains engagement with the surface of the heart and the heart continues to heat. Various suction cups are descri ...


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Jeffrey Swayze, Mark Ortiz: Electroactive polymer-based lumen traversing device. Ethicon Endo Surgery, Dean Garner, July 20, 2010: US07758512 (1 worldwide citation)

Methods and devices are provided for traversing a lumen of a tubular body part, such as the large or small intestine, the colon, the bladder, the stomach, etc. In an exemplary embodiment, the methods and devices utilize electroactive polymers that are selectively actuated to move a device through a ...