1
Frank J Viola, John C Robertson: Surgical fastener applying apparatus. United States Surgical Corporation, June 29, 1999: US05915616 (907 worldwide citation)

A surgical apparatus for applying staples or fasteners to tissue to form a circular anastomosis having an adjustable closure mechanism to rapidly approximate the distance between the anvil member and the fastener assembly of the instrument. The adjustable closure mechanism provides for rapid approxi ...


2
Jeffrey R Oberlin, Christopher L Johnson, David A Dunlap: Articulated surgical instrument with improved firing mechanism. Richard Allan Medical, Howard & Howard, August 25, 1998: US05797537 (882 worldwide citation)

This invention provides articulated surgical instruments for use in laparoscopic surgical procedures including, in general, a handle, an elongated shaft, and an articulated tip. A gap extends longitudinally between the shaft and the tip. The instruments further include a flexible compression drive m ...


3
Hugh Melling, Christopher L Johnson, Jeffrey R Oberlin: Articulated surgical instrument with improved jaw closure mechanism. Richard Allan Medical, Howard & Howard, October 13, 1998: US05820009 (735 worldwide citation)

This invention provides an articulated surgical instrument for use in laparoscopic surgical procedures including, in general, a handle, an elongated shaft, and a tip. The shaft is coupled to the handle, and the tip is pivotally coupled to the distal end of the shaft for articulation about an articul ...


4
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 ...


5
Kevin F Hahnen, Richard A Hillstead, Bryan D Knodel: Medical instrument. Cerebral Vascular Applications, Cook Alex McFarron Manzo Cummings & Mehler, June 29, 2004: US06755338 (692 worldwide citation)

A hydraulically actuated medical instrument includes an elongated shaft having proximal and distal ends, a hydraulically actuated end effector at the distal end of the shaft and a fluid flow path extending through the shaft to the end effector. The shaft may be capable of an angled configuration whe ...


6
Robert F Welch: Circular stapler tissue retention spring method. Ethicon, E R Skula, May 10, 1994: US05309927 (614 worldwide citation)

An tissue retention spring for use with a surgical circular stapler used to perform an anastomosis. The tissue retention spring is mounted onto the anvil shaft of the stapler. The spring has a plurality of connected helical coils defining a member having an axial passage therethrough. The spring pro ...


7
Richard L Grant, Michael Lang, Philip J Churchill, W Thompson Lawrence: Surgical anastomosis stapling instrument with flexible support shaft and anvil adjusting mechanism. Ethicon, Paul A Coletti, Charles P Boukus, December 21, 1993: US05271543 (605 worldwide citation)

A surgical stapling instrument for performing a circular anastomosis stapling operation is provided. The surgical instrument includes a stapling head assembly mounted by a flexible support shaft to an actuator handle assembly. The support shaft is capable of bending in any radial direction relative ...


8
David T Green, Henry Bolanos, Keith Ratcliff: Surgical stapler apparatus. United States Surgical Corporation, February 28, 1995: US05392979 (590 worldwide citation)

The end-to-end anastomosis apparatus is provided with a mounting means which can receive a trocar for making holes in tissue and, subsequently, an anvil shaft for the mounting of an anvil assembly for stapling purposes. The anvil shaft is provided with splines which cooperate with splines on a shell ...


9
Lauren O Main, Federico Bilotti: Intraluminal anastomotic surgical stapler with detached anvil. Ethicon, Paul A Coletti, April 14, 1992: US05104025 (582 worldwide citation)

A surgical stapling mechanism with an integral trocar is disclosed. This trocar contains an alignment mechanism which causes the anvils on the stapler to align with the staples held within the head portion. A unique latching mechanism is disclosed, and a sleeve which covers the sharp trocar tip is p ...


10
Kenneth S Wales, Chad P Boudreaux: Surgical instrument with articulating shaft with rigid firing bar supports. Ethicon Endo Surgery, Dean Garner, November 25, 2008: US07455208 (574 worldwide citation)

A surgical stapling and severing instrument particularly suited to endoscopic use includes a proximal portion that is manipulated external to a patient to position an attached elongate shaft and end effector to a desired surgical site inside of the patient. An articulation joint pivotally attaches t ...