1
Mark Ortiz, Frederick Shelton IV, Jeffrey Swayze: Electroactive polymer-based articulation mechanism for linear stapler. Ethicon Endo Surgery, Nutter McClennen & Fish, July 29, 2008: US07404509 (468 worldwide citation)

Methods and devices are provided for actuating and/or articulating a surgical stapler. In one embodiment, a surgical stapler is provided having a stapling mechanism or end effector that is movably coupled to a distal end of an elongate shaft. An electrically expandable and contractible actuator, suc ...


2
Mark Ortiz, Frederick Shelton IV, Joseph Hueil, Jeffrey Swayze: Electroactive polymer-based actuation mechanism for circular stapler. Ethicon Endo Surgery, Nutter McClennen & Fish, August 12, 2008: US07410086 (444 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 ...


3
Paul A Spence, Mark Ortiz: Heart valve repair apparatus and methods. Paul A Spence, Wood Herron & Evans L, September 28, 2004: US06797002 (425 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 ...


4
Federico Bilotti, Mark Ortiz, Narinderjit S Sambi, Ronald R Van Overloop: Pneumatically actuated linear stapling device. Ethicon, Paul A Coletti, June 15, 1993: US05219111 (354 worldwide citation)

A pneumatic stapler which contains a mechanism for manual or automatic retaining pin placement. The automatic retaining pin is connected to a set of linkage plates actuable by a series of inflation of bladders in order to create instrument closure on tissue compression and simultaneously create pin ...


5
Martin Madden, Mark Ortiz: Laparoscopic stapler with knife means. Ethicon, Paul A Coletti, December 15, 1992: US05170925 (351 worldwide citation)

A four-row laparoscopic surgical staper cutting mechanism is described wherein stapling and cutting are remotely accomplished. Further, there is disclosed closure means which enable closure and stapling of the apparatus. Finally, such closure can take place either using lever or collar type means. T ...


6
Mark Ortiz: Manipulable hand for laparoscopy. Ethicon, Paul A Coletti, August 15, 1995: US05441494 (350 worldwide citation)

A manipulable hand for use in laparoscopic surgery is disclosed, having a master or control hand with clamps for attaching the master hand to that of an operator, the master hand having at least one finger, the finger having at least one hinge corresponding to an interphalangeal joint in a human han ...


7
Mark Ortiz, Randy Whedon, Paul A Spence: Annuloplasty devices and related heart valve repair methods. Paul A Spence, Wood Herron & Evans L, July 16, 2002: US06419696 (344 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 ...


8
Mark Ortiz, Frederick Shelton IV, Joseph Hueil, Jeffrey Swayze: Electroactive polymer-based actuation mechanism for linear surgical stapler. Ethicon Endo Surgery, Nutter McClennen & Fish, August 5, 2008: US07407077 (319 worldwide citation)

Methods and devices are provided for actuating and/or articulating a surgical stapler. In one embodiment, a surgical stapler is provided having a stapling mechanism or end effector that is movably coupled to a distal end of an elongate shaft. An electrically expandable and contractible actuator, suc ...


9
Mark Ortiz, Joseph Paraschac: Intraluminal manipulator with a head having articulating links. Ethicon, Paul A Coletti, September 13, 1994: US05346504 (316 worldwide citation)

The present invention is directed towards an intraluminal manipulator which extends into a lumen and is operable to position and manipulate the tissue surrounding the lumen as necessary during a medical procedure. The manipulator includes a head, a handle and an interconnecting shaft. A pair of cabl ...


10
Warren P Williamson IV, Paul A Spence, George T Chistakis, Mark Ortiz: Means and method of replacing a heart valve in a minimally invasive manner. CardioVascular Technologies L L C, Wood Herron & Evans L, June 11, 2002: US06402780 (305 worldwide citation)

A heart valve can be replaced using minimally invasive methods which include a sutureless sewing cuff that and a fastener delivery tool that holds the cuff against the patient's tissue while delivering fasteners to attach the cuff to the tissue from the inside out. The tool stores a plurality o ...