1
David Stefanchik, Jerome E Reckelhoff, Rudolph H Nobis, Michael A Murray, John E Burbank: Endoscopic multiple ligating clip applier. Ethicon, Paul A Coletti, December 15, 1992: US05171249 (554 worldwide citation)

An endoscopic clip applying system as described which contains a venting system and a clip applying support system which prevents closure of the mechanism before firing. Also, the system ensures proper loading of the clips and prevents them from falling out during loading. Further, the system descri ...


2
Kenneth S Wales, Joseph F Paraschac, David Stefanchik: Articulating surgical instrument. Ethicon Endo Surgery, Matthew S Goodwin, December 30, 1997: US05702408 (553 worldwide citation)

A four-bar linkage for an articulation assembly adapted for use with a surgical instrument is disclosed. The first link is in the form of an actuation lever which pivots transversely to the longitudinal axis of the instrument. The second and third links are operatively connected to the first link. T ...


3
Charles K Braddock, Thomas W Huitema, David Stefanchik, Kenneth S Wales: Rotatable articulating endoscopic fastening instrument. Ethicon, Paul A Coletti, April 25, 1995: US05409498 (415 worldwide citation)

A new and improved endoscopic surgical instrument. The business head of the instrument is rotatable about its longitudinal axis and is also articulatable in and out of longitudinal alignment with the longitudinal axis of the instrument.


4
David Stefanchik, Rick D Applegate, Todd P Omatis, William A Burbank, J Renee Lupton: Multiple clip applier having a split feeding mechanism. Ethicon Endo Surgery, Matthew S Goodwin, September 14, 1999: US05951574 (379 worldwide citation)

A multiple clip applier includes a handle portion and a pair of handles pivotably connected to opposite sides of the housing. A shaft extends from the housing and has a plurality of clips located within. A pair of opposed moveable jaws are attached to and extend from the distal end of the shaft. The ...


5
David Stefanchik: Specimen retrieval bag. Ethicon Endo Surgery, Dean Garner, June 18, 2002: US06406440 (343 worldwide citation)

In accordance with the present invention there is provided a surgical instrument for the removal of biological material through an opening within a patient, wherein biological material being larger than the opening within the patient. The surgical instrument includes a specimen retrieval bag having ...


6
John E Burbank III, John Pedlick, David Stefanchik, Jonathan Gabel, Thomas Petrella, Guy L Osborne: Ligating clip applier. Ethicon, Paul A Coletti, July 11, 1995: US05431668 (319 worldwide citation)

There is described herein a ligating clip applier which contains: a handle assembly; a jaw assembly connected to the handle assembly and containing a shaft and a pair of jaws. The shaft defines a longitudinal axis which lies in a central horizontal plane. A magazine of clips is stored on one side of ...


7
Mark Fogelberg, J David Hughett, C Kerwin Braddock, Michael E Boehm, David Stefanchik, Michael A Murray: Sterile occlusion fasteners and instruments and method for their placement. Ethicon Endo Surgery, Susan M Schmitt, February 11, 1997: US05601573 (307 worldwide citation)

A clip, clip applier and method for ligating a tissue structure is provided. The applier has a two stage actuation. In the first stage, a tissue structure is positioned into the jaws of the clip applier The jaws close and lock to a preset force to compress and temporarily occlude the tissue structur ...


8
David Stefanchik, Duane Linenkugel, Gregory J Bakos, Omar J Vakharia, James A Craft, Kurt R Bally: Endcap for use with an endoscope. Ethicon Endo Surgery, October 19, 2010: US07815565 (263 worldwide citation)

A guide system for use with an endoscope, and a method of use is disclosed. The guide system can include a track, in the form of a rail, and a mating member for engaging the rail. The guide system can also include an accessory, such as an accessory guide tube through which a medical instrument can b ...


9
David Stefanchik, Duane Linenkugel, Gregory J Bakos, Omar J Vakharia, James A Craft, Kurt R Bally: Method of guiding medical devices. Ethicon Endo Surgery, Gerry S Gressel, October 7, 2008: US07431694 (260 worldwide citation)

A guide system for use with an endoscope, and a method of use is disclosed. The guide system can include a track, in the form of a rail, and a mating member for engaging the rail. The guide system can also include an accessory, such as an accessory guide tube through which a medical instrument can b ...


10
David Stefanchik, Rick D Applegate: Track for medical devices. Ethicon Endo Surgery, Gerry S Gressel, November 10, 2009: US07615003 (248 worldwide citation)

A medical apparatus and method useful for positioning one or more members within the gastro-intestinal tract is disclosed. The medical apparatus can include a track supported on a sheath sized to receive an endoscope, and a carrier slidable with respect to the track. A feeding tube accessory adapted ...