1
John M Barker, Alan K Plyley: Flexible surgical stapler assembly. Baxter Travenol Laboratories, Robert E Hartenberger, Richard Meyers, Roger A Williams, June 9, 1987: US04671445 (736 worldwide citation)

A flexible surgical stapler assembly includes a staple firing head assembly and a handle actuator assembly connected to the staple firing head assembly through a flexible spine. The staple firing head assembly includes an anvil assembly defining an anvil surface which provides an array of staple for ...


2
John M Barker, Alan K Plyley: Flexible stapler. Donald M Sell, James A Smith, William L Huebsch, July 5, 1988: US04754909 (643 worldwide citation)

A stapler having a spine structure between a staple carrying head assembly and a manually operable actuator assembly that can be made either flexible or rigid as desired during use of the stapler.


3
Floyd Foslien, Alan R Plyley, John M Barker, Claude Vidal: Stapler and firing device. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Jeffrey J Hohenshell, August 25, 1992: US05141144 (528 worldwide citation)

An improved stapler firing assembly and a surgical stapler are disclosed. The stapler comprises structural members having handle parts with opposite sides and jaw parts projecting from the handle parts. The stapler includes a mechanism for releasable engagement between an elongate locking member and ...


4
Alan K Plyley, Floyd L Foslien, John M Barker, Robert W Petrich: Safety device for a surgical stapler cartridge. United States Surgical Corporation, October 28, 1997: US05680983 (413 worldwide citation)

The present invention provides a staple cartridge assembly adapted for use in a surgical stapler having a cartridge retention portion and an anvil portion which are movable between a closed position and an open position. The cartridge assembly comprises (1) a firing assembly for firing staples which ...


5
Floyd Foslien, Alan K Plyley, John M Barker, Claude Vidal: Stapler and firing device. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Jeffrey J Hohenshell, January 28, 1992: US05083695 (395 worldwide citation)

An improved stapler firing assembly and a surgical stapler are disclosed. The stapler comprises structural members having handle parts with opposite sides and jaw parts projecting from the handle parts. The stapler includes a mechanism for releasable engagement between an elongate locking member and ...


6
Alan K Plyley, Floyd L Foslien, John M Barker, Robert W Petrich: Safety device for a surgical stapler cartridge. United States Surgical Corporation, August 29, 1995: US05445304 (337 worldwide citation)

The present invention provides a staple cartridge assembly adapted for use in a surgical stapler having a cartridge retention portion and an anvil portion which are movable between a closed position and an open position. The cartridge assembly comprises (1) a firing assembly for firing staples which ...


7
Alan K Plyley, John M Barker, Claude Vidal, Russell J Redmond: Trocar. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Jeffrey J Hohenshell, October 6, 1992: US05152754 (132 worldwide citation)

A trocar for placement in the lumen of a cannula to facilitate inserting the cannula through the wall of a body cavity, the trocar comprising an obturator with a point for piercing the wall of the body cavity, and a protective sleeve mounted concentrically around the obturator. The obturator retract ...


8
Claude Vidal, Russell J Redmond, John M Barker, Mike Collinson, Eric J Donaldson, Alan J Solynties, Robert M Eyerly: Vessel clips. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Jeffrey J Hohenshell, August 15, 1995: US05441509 (120 worldwide citation)

A surgical clip for occluding an anatomical structure is disclosed. The clip has a hinge portions and at least three legs projecting from the hinge portion with a slot portion present between at least two of the legs. The hinge portion affords easy removal of the clip.


9
John M Barker, Thor R Halseth, Michael J Botich: Medical device with shield having a retractable needle. MDC Investement Holdings, Stephen H Eland, Dann Dorfman Herrell and Skillman, September 7, 2004: US06786875 (96 worldwide citation)

Needle-bearing medical devices are provided for fluid infusion, fluid transfusion, and inserting a guide wire. After use the needle is shielded to render the contaminated needle safe to prevent inadvertent needle sticks. The device includes a housing and a needle having a sharpened tip. A biasing el ...


10
Alan K Plyley, John M Barker, Claude Vidal, Russell J Redmond: Trocar. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Jeffrey J Hohenshell, August 16, 1994: US05338305 (62 worldwide citation)

A trocar for placement in the lumen of a cannula to facilitate inserting the cannula through the wall of a body cavity, the trocar comprising an obturator with a point for piercing the wall of the body cavity, and a protective sleeve mounted concentrically around the obturator. The obturator retract ...