1
John P Measamer, Robert L Koch Jr, Robert F Welch, Anthony T Nguyen: Ratchet release mechanism for hand held instruments. Ethicon Endo Surgery, September 12, 2000: US06117158 (548 worldwide citation)

A hand held surgical instrument for grasping and clamping tissue is disclosed. The surgical instrument has a handle body assembly and an elongated shaft. The shaft is connected to the handle body assembly at a proximal end and has an end effector at a distal end. The end effector is operably coupled ...


2
Christopher J Frederick, Richard F Schwemberger, William D Kelly, Joseph F Paraschac, John P Measamer: Method for using a trocar for penetration and skin incision. Ethicon Endo Surgery, Matthew S Goodwin, January 25, 2000: US06017356 (444 worldwide citation)

A method for establishing a surgical port for endoscopic or arthroscopic surgery is disclosed. A trocar is initially provided, and the obturator of the trocar includes a flat cutting blade, a shield that moves proximally and distally from a precock position to an extended position, a precock lever t ...


3
John P Measamer, Frederick E Shelton IV, Chester O Baxter III, Richard P Fuchs, Nicholas G Molitor, Bennie Thompson, Mark Tsonton: Surgical stapling instrument with apparatus for providing anvil position feedback. Ethicon Endo Surgery, April 5, 2011: US07918377 (343 worldwide citation)

Circular stapling instruments for cutting and applying one or more surgical staples to tissue are disclosed. The instruments include various forms of feedback systems designed to provide at least one mode of feedback to the surgeon when the anvil has been attached to the device and/or when the anvil ...


4
John P Measamer, Robert L Koch Jr, Narinderjit S Sambi: Curved laparoscopic scissor having arcs of curvature. Ethicon Endo Surgery, January 2, 2001: US06168605 (343 worldwide citation)

A laparoscopic surgical scissors for cutting tissue is disclosed. The laparoscopic surgical scissors has a handle body assembly having an actuation member moveable toward and away from the handle body assembly. An elongated shaft having a proximal and a distal end that define a longitudinal axis is ...


5
John P Measamer, Mark Tsonton, Nicholas G Molitor, Barry T Jamison, Scott B Killinger, Randall S Koplin, Wai N Chin: Circular surgical stapling instrument with anvil locking system. Ethicon Endo Surgery, November 29, 2011: US08066167 (295 worldwide citation)

Circular stapling instruments for cutting and applying one or more surgical staples to tissue are disclosed. The instruments include various forms of anvil locking systems designed to selectively prevent the anvil from moving axially relative to the stapling head of the stapling instrument. One embo ...


6
John P Measamer, Hector Chow, Frederick J Reber II, Steven W Hamblin, James H Chambers: Variable position handle locking mechanism. Ethicon Endo Surgery, April 7, 1998: US05735874 (279 worldwide citation)

A surgical handheld instrument which is used in a minimally invasive surgical procedure such as a laparoscopic surgical procedure comprises a handle body and an elongated shaft connected to the handle body at a proximal end of the shaft. An end effector such as a pair of movable jaws are located at ...


7
James J Bedi, John P Measamer, Chester O Baxter III: Surgical stapler having a closure mechanism. Ethicon Endo Surgery, January 8, 2013: US08348129 (250 worldwide citation)

A surgical stapler comprising a first handle portion comprising a staple cartridge channel configured to receive a staple cartridge and a second handle portion comprising an anvil. The stapler further comprises a rotatable latch and a latch projection, wherein the latch is rotatably coupled to one o ...


8
Richard C Smith, John P Measamer, Michael S Cropper, Richard F Schwemberger: Safety fastener for tissue apposition. Ethicon Endo Surgery, Nutter McClennen & Fish, February 14, 2012: US08114100 (183 worldwide citation)

Methods and devices for fastening tissue are provided. In one exemplary embodiment, a tissue fastener is provided and includes a male fastening member having a base plate with at least one post extending therefrom and having a tissue-piercing tip. A protective member is coupled to the male fastening ...


9
Leo J Nolan, John P Measamer, James D Staley Jr, Robert F Welch: Suture assist device. Ethicon Endo Surgery, Bernard Shay, July 7, 1998: US05776150 (116 worldwide citation)

A surgical instrument including a handle, an end effector including jaws, an elongated tube connecting the handle to the end effector, a connector within the tube connecting the handle to the jaw members; and a first slot in the first jaw and a second slot in the jaw wherein the first and second slo ...


10
John P Measamer, Robert F Welch, Brett Swensgard: Suturing device. Ethicon Endo Surgery, Paul A Coletti, March 26, 1996: US05501690 (76 worldwide citation)

The invention described herein is a device for tying knots intracorporeally during laparoscopic surgery. It is intended to simplify the process of tying intracorporeal knots to the point that the average laparoscopist can quickly learn to suture laparoscopically with confidence. The unique features ...