1
Chad P Boudreaux: Surgical stapling instrument with an articulating end effector. Ethicon Endo Surgery, June 23, 2009: US07549564 (584 worldwide citation)

A surgical instrument including a shaft assembly and an end effector, where the end effector can be moved relative to the shaft assembly. The shaft assembly can include a lock member selectively engageable with the end effector to limit, or prevent, relative movement therebetween. In at least one em ...


2
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 ...


3
Chad P Boudreaux: Surgical stapling instrument with a geared return mechanism. Ethicon Endo Surgery, February 9, 2010: US07658311 (538 worldwide citation)

A surgical instrument including a firing drive configured to selectively advance a firing member and/or cutting member relative to an end effector and, in addition, a reversing drive configured to selectively retract the firing member and/or cutting member relative to the end effector. The firing dr ...


4
Chad P Boudreaux: Surgical stapling instrument with an anti-back up mechanism. Ethicon Endo Surgery, October 20, 2009: US07604150 (502 worldwide citation)

A surgical instrument including a firing drive configured to advance a cutting member and/or staple driver within an end effector, and a brake configured to prevent, or at least partially inhibit, the relative movement of the cutting member and/or staple driver. The surgical instrument can further i ...


5
Kenneth S Wales, Chad P Boudreaux: Surgical instrument incorporating a fluid transfer controlled articulation mechanism. Ethicon Endo Surgery, Frost Brown Todd, July 14, 2009: US07559450 (490 worldwide citation)

A surgical instrument particularly suited to endoscopic use articulates an end effector by including a fluid transfer articulation mechanism that is proximally controlled. A fluid control, which is attached to a proximal portion, transfers fluid through the elongate shaft through a first fluid passa ...


6
Kenneth S Wales, Chad P Boudreaux: Surgical instrument with articulating shaft with single pivot closure and double pivot frame ground. Ethicon Endo Surgery, Frost Brown Todd, August 31, 2010: US07784662 (485 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 ...


7
Chad P Boudreaux: Surgical stapling instrument with a return mechanism. Ethicon Endo Surgery, October 28, 2008: US07441685 (472 worldwide citation)

A surgical instrument including a band configured to move a cutting member within an end effector. The instrument can further include a reel, wherein at least a portion of the band can be wound around the reel, and wherein the cutting member can be configured to unwind the band from the reel when th ...


8
Christopher J Schall, Chad P Boudreaux: Surgical stapling and cutting instrument with manually retractable firing member. Ethicon Endo Surgery, February 17, 2009: US07490749 (470 worldwide citation)

A surgical stapling and severing instrument particularly suited to endoscopic procedures incorporates a handle that produces separate closing and firing motions to actuate an end effector. In particular, the handle produces multiple firing strokes in order to reduce the required amount of force requ ...


9
Frederick E Shelton IV, Chad P Boudreaux, Richard W Timm: Surgical instrument having a directional switching mechanism. Ethicon Endo Surgery, November 16, 2010: US07832408 (452 worldwide citation)

A surgical instrument including a switching mechanism which allows a surgeon to selectively advance or retract a staple driver and/or cutting member within a staple cartridge. In various embodiments, the surgical instrument can include a handle, a trigger operatively coupled to the handle, a firing ...


10
Joseph C Hueil, Kenneth S Wales, Chad P Boudreaux: Surgical instrument with guided laterally moving articulation member. Ethicon Endo Surgery, February 2, 2010: US07654431 (451 worldwide citation)

A surgical instrument particularly suited to endoscopic use articulates an end effector by including a laterally sliding member in a proximal portion of a shaft that pivots the end effector to a selected side. Differentially opposing actuating forces (e.g., hydraulic, fluidic, mechanical) act agains ...