1
Kevin W Smith, Matthew A Palmer, Sergio Rodriguez, John R Whittier, Anthony Mazzeo: Remotely activated endoscopic tools such as endoscopic biopsy forceps. Symbiosis Corporation, David P Gordon, July 11, 1995: US05431645 (286 worldwide citation)

Remote control actuators for endoscopic tools are provided. Each remote control actuator includes a driver, a coupler which couple the endoscopic tool to the driver, a power source which power the driver, and a controller coupled to the power source and/or the driver for controlling the power applie ...


2
Charles R Slater, Matthew A Palmer, John R Whittier, Aaron R Zwiefel: Edoscopic biopsy forceps devices with selective bipolar cautery. Symbiosis Corporation, David P Gordon, January 9, 1996: US05482054 (254 worldwide citation)

An endoscopic bipolar cautery biopsy forceps device has a conduit, a pair of articulable opposed jaws, two conductive pull wires, and an actuator. The articulable opposed jaws are located at the distal end of the conduit. Each jaw is provided with a cutting surface at its distal end and a tang at it ...


3
Matthew A Palmer, John R Whittier, Sergio Rodriguez, Charles R Slater: Biopsy forceps having a detachable proximal handle and distal jaws. Symbiosis Corporation, David P Gordon, October 3, 1995: US05454378 (183 worldwide citation)

An endoscopic biopsy forceps has a detachable proximal handle portion and a distal portion which includes a pair of jaws mounted at the distal end of a flexible conduit. At least one pull wire extends through the conduit and is coupled to the jaws so that movement of the pull wire(s) through the con ...


4
John R Whittier: Endoscopic biopsy forceps instrument having a constant force spring biasing the jaws closed. Symbiosis Corporation, Finnegan Henderson Farabow Garrett and Dunner L, January 13, 1998: US05706824 (73 worldwide citation)

A biopsy forceps instrument includes a flexible coil having one or more pull wires extending therethrough, a clevis coupled to the distal end of the coil, a pair of forceps jaws mounted in the clevis and coupled to the distal end of the pull wire(s), and a proximal handle coupled to the proximal end ...


5
Jose L Francese, John R Whittier: Endoscopic biopsy forceps jaws and instruments incorporating same. Symbiosis Corporation, David P Gordon, September 10, 1996: US05553624 (28 worldwide citation)

Endoscopic biopsy forceps jaws having an outer edge which may be generally U-shaped, circular, or oblate circular are disclosed with a number of teeth which extend along at least a portion of the outer edge where the peaks of the teeth are located upward and inward from the outer edge. In one embodi ...


6
Matthew A Palmer, Jose L Francese, John R Whittier, Thomas O Bales: Endoscopic biopsy forceps jaws and instruments incorporating same. Symbiosis Corporation, David P Gordon, March 25, 1997: US05613499 (28 worldwide citation)

Endoscopic biopsy forceps jaws having an outer edge which may be generally U-shaped, circular, or oblate circular are disclosed with teeth which extend completely around the outer edge. The teeth may take any of several arrangements. In a first arrangement, the teeth and valleys are formed with two ...


7
John R Whittier, Sylvestre Cordoba, Bruce H Diamond: Combination end cap and clip for biopsy forceps instrument. Symbiosis Corporation, David P Gordon, December 30, 1997: US05702080 (19 worldwide citation)

An end cap is provided for an endoscopic biopsy forceps instrument having a long coil and a jaw assembly. The end cap is provided with a cup portion, an attachment clip, and preferably a suction cup. The cup portion fits over the closed jaws of the biopsy forceps and has an open end and a closed end ...