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Mark Ortiz, Frederick Shelton IV, Joseph Hueil, Jeffrey Swayze: Electroactive polymer-based actuation mechanism for multi-fire surgical fastening instrument. Ethicon Endo Surgery, Nutter McClennen & Fish, August 5, 2008: US07407074 (287 worldwide citation)

Methods and devices are provided for effecting movement of one or more components of a multifire device, such as a clip applier, hernia tacker, or skin stapler. In one exemplary embodiment, a surgical fastening instrument is provided having an elongate shaft with an end effector coupled thereto and ...


12
Paul A Spence, Mark Ortiz: Heart valve and apparatus for replacement thereof. Paul A Spence, Wood Herron & Evans L, October 30, 2001: US06309417 (249 worldwide citation)

Apparatus and methods for replacing a heart valve within a vessel. The apparatus includes a replacement heart valve and a plurality of commisure stabilizers connected to the commisures of the heart valve in a removable manner. The commisure stabilizers position and stabilize the commisures in the pr ...


13
Chao C Chen, William Zwaskis, Mark Ortiz: Endoscopic suture clip. Ethicon, Matthew S Goodwin, November 3, 1992: US05160339 (248 worldwide citation)

An improved surgical clip having first and second leg members joined at their proximal ends by resilient hinge means and terminating at their distal ends in latch means. Each leg member has an outer surface and a clamping inner surface. The outer surface of each leg member is configured to be accept ...


14
Mark Ortiz, Frederick Shelton IV, Jeffrey Swayze: Electroactive polymer-based actuation mechanism for grasper. Ethicon Endo Surgery, February 1, 2011: US07879070 (246 worldwide citation)

Methods and devices are provided for actuating and/or articulating a grasping device. In one exemplary embodiment, a grasping device is provided having a shaft with an end effector having opposed jaws coupled to the shaft. An electrically expandable and contractible actuator, such as an electroactiv ...


15
Mark Ortiz, Frederick Shelton IV, Joseph Hueil, Jeffrey Swayze: Electroactive polymer-based articulation mechanism for circular stapler. Ethicon Endo Surgery, November 27, 2012: US08317074 (204 worldwide citation)

Methods and devices are provided for actuating and/or articulating a circular stapler. In one exemplary embodiment, a circular stapler is provided having an elongate shaft with a stapling apparatus coupled thereto. An electrically expandable and contractible actuator, such as an electroactive polyme ...


16
Mark Ortiz, Frederick Shelton IV, Jeffrey Swayze: Electroactive polymer-based articulation mechanism for grasper. Ethicon Endo Surgery, Nutter McClennen & Fish, January 4, 2011: US07862579 (184 worldwide citation)

Methods and devices are provided for actuating and/or articulating a grasping device. In one exemplary embodiment, a grasping device is provided having a shaft with an end effector having opposed jaws coupled to the shaft. An electrically expandable and contractible actuator, such as an electroactiv ...


17
Mark Ortiz, Frederick Shelton IV, Joseph Hueil, Jeffrey Swayze: Electroactive polymer-based articulation mechanism for multi-fire surgical fastening instrument. Ethicon Endo Surgery, March 29, 2011: US07914551 (168 worldwide citation)

Methods and devices are provided for effecting movement of one or more components of a multifire device, such as a clip applier, hernia tacker, or skin stapler. In one exemplary embodiment, a surgical fastening instrument is provided having an elongate shaft with an end effector coupled thereto and ...


18
Paul A Spence, Mark Ortiz: Heart valve and apparatus for replacement thereof. Paul A Spence, Wood Herron & Evans L, April 26, 2005: US06883522 (168 worldwide citation)

Apparatus and methods for replacing a heart valve within a vessel. The apparatus includes a replacement heart valve and a plurality of commisure stabilizers connected to the commisures of the heart valve in a removable manner. The commisure stabilizers position and stabilize the commisures in the pr ...


19
Mark Ortiz, Randy Whedon, Paul A Spence: Annuloplasty devices and related heart valve repair methods. Medtentia, Wood Herron & Evans L, May 4, 2004: US06730121 (146 worldwide citation)

Devices for repairing and replacing a heart valve in various embodiments, the devices include at least first and second support rings connected together in a coiled configuration to abut opposite sides of a valve annulus. A replacement valve may be secured to the coil-shaped device. Various alternat ...


20
Mark Ortiz, Randy Whedon, Paul A Spence: Annuloplasty devices and related heart valve repair methods. Medtentia, Wood Herron & Evans L, November 15, 2005: US06964684 (105 worldwide citation)

Devices for repairing and replacing a heart valve in various embodiments, the devices include at least first and second support rings connected together in a coiled configuration to abut opposite sides of a valve annulus. A replacement valve may be secured to the coil-shaped device. Various alternat ...