1
John Charles Robertson, Frank J Viola: Circular anastomosis device. United States Surgical Corporation, September 1, 1998: US05799857 (732 worldwide citation)

A surgical instrument is disclosed which includes a housing having proximal and distal end portions, a shaft extending from the housing distal end portion, the shaft having proximal and distal end portions, a fastener carrying cartridge positioned at the shaft distal end portion, the cartridge havin ...


2
Tim Nolan, Ernie Aranyi, John Klinger, Keith Ratcliff, John Charles Robertson: Apparatus and method for performing a bypass procedure in a digestive system. Tyco Healthcare Group, February 20, 2007: US07179267 (416 worldwide citation)

Surgical instrumentation and methods for performing a bypass procedure in a digestive system incorporate laparoscopic techniques to minimize surgical trauma to the patient. The instrumentation includes an outer guide member dimensioned for insertion and passage through an esophagus of a patient and ...


3
John Charles Robertson, Frank J Viola: Anvil for circular stapler. United States Surgical Corporation, January 19, 1999: US05860581 (393 worldwide citation)

An anvil assembly for use with a circular surgical stapler is disclosed. The anvil assembly includes an anvil body, an anvil disposed around the anvil body and engaged therewith, and a tether line having a first end connected to the anvil body and a second end connected to the anvil. The anvil assem ...


4
John Charles Robertson, Brian W Moulder, Roberto Pedros: Heart valve replacement tools and procedures. United States Surgical, November 16, 1999: US05984959 (353 worldwide citation)

There are disclosed various systems for installing a heart valve within a patient. In a first system, there are provided a heart valve installation assembly and an expandable heart valve ring installation assembly, each of which comprises a separate tool. The expandable heart valve ring assembly is ...


5
John Charles Robertson, Keith Ratcliff, Brian W Moulder: Stapling apparatus and method for heart valve replacement. United States Surgical, January 13, 2004: US06676671 (193 worldwide citation)

A surgical stapler for securing a prosthetic heart valve within a patient is disclosed and generally includes a first cylindrical portion for carrying a staple assembly on a distal end thereof, a second cylindrical portion positioned concentrically about the first cylindrical portion and having a ca ...


6
John Charles Robertson, Keith Ratcliff, Brian W Moulder: Stapling apparatus and method for heart valve replacement. United States Surgical, March 20, 2001: US06203553 (167 worldwide citation)

A surgical stapler for securing a prosthetic heart valve within a patient generally includes a first cylindrical portion for carrying at least one staple assembly on a distal end thereof; a second cylindrical portion positioned concentrically about the first cylindrical portion and having a camming ...


7
Charles R Sherts, David A Nicholas, Keith Ratcliff, John Charles Robertson, David Farascioni, Daniel E Alesi, Patrick M Flanagan: Heart stabilizer apparatus and method for use. United States Surgical Corporation, September 7, 1999: US05947896 (90 worldwide citation)

Apparatus and method for surgery is disclosed which includes a retractor having a substantially planar base defining an opening for overlying an operative site on a patient, and at least one retractor blade slidably mounted to the base. The base is positioned on the patient such that the opening the ...


8
Keith Ratcliff, John Charles Robertson: Endovascular graft and method. United States Surgical, October 19, 1999: US05968090 (45 worldwide citation)

The endovascular graft disclosed includes a main tubular body having a first end portion and an exterior surface. The first end portion has a flanged end disposed on exterior surface and extending radially thereabout, for engaging blood vessel walls. The graft may be made from a surgically implantib ...


9
Tim Nolan, Ernie Aranyi, John Klinger, Keith Ratcliff, John Charles Robertson: Apparatus and method for performing a bypass procedure in a digestive system. Tyco Healthcare Group, March 8, 2011: US07901416 (44 worldwide citation)

Surgical instrumentation and methods for performing a bypass procedure in a digestive system incorporate laparoscopic techniques to minimize surgical trauma to the patient. The instrumentation includes an outer guide member dimensioned for insertion and passage through an esophagus of a patient and ...


10
Tim Nolan, Ernie Aranyi, John Klinger, Keith Ratcliff, John Charles Robertson: Apparatus and method for performing a bypass procedure in a digestive system. Covidien, November 27, 2012: US08317809

Surgical instrumentation and methods for performing a bypass procedure in a digestive system incorporate laparoscopic techniques to minimize surgical trauma to the patient. The instrumentation includes an outer guide member dimensioned for insertion and passage through an esophagus of a patient and ...