1
Michael A Zemlok, David C Racenet: Powered surgical instrument. Tyco Healthcare Group, April 12, 2011: US07922063 (408 worldwide citation)

A surgical instrument including a handle assembly, a first endoscopic portion, a motor, and a first end effector is disclosed. The first endoscopic portion is selectively connectable to a distal portion of the handle assembly and defines a longitudinal axis. The first endoscopic portion includes a h ...


2
Michael A Zemlok: Variable compression surgical fastener apparatus. Tyco Healthcare Group, January 24, 2012: US08100310 (283 worldwide citation)

A surgical fastener applying apparatus comprising a fastener supporting portion and a retainer supporting portion. The fastener supporting portion includes a first row of first surgical fasteners and a second row of second surgical fasteners. The retainer supporting portion includes a first row of f ...


3
Michael A Zemlok, David C Racenet: Powered surgical instrument. Tyco Healthcare Group, June 19, 2012: US08201721 (276 worldwide citation)

A surgical instrument including a handle assembly, a first endoscopic portion, a motor, and a first end effector is disclosed. The first endoscopic portion is selectively connectable to a distal portion of the handle assembly and defines a longitudinal axis. The first endoscopic portion includes a h ...


4
Michael A Zemlok, David C Racenet, Adam J Ross: Powered surgical instrument. Tyco Healthcare Group, February 15, 2011: US07887530 (251 worldwide citation)

A surgical instrument including a housing, an endoscopic portion, a drive gear, a drive motor, a shift motor and an end effector is disclosed. The endoscopic portion extends distally from the housing and defines a longitudinal axis. The drive gear is disposed at least partially within the housing an ...


5
Michael A Zemlok, Frank J Viola: Variable compression surgical fastener cartridge. Tyco Healthcare Group, July 31, 2012: US08231040 (233 worldwide citation)

A surgical fastener applying apparatus comprising a cartridge body including a plurality of fastener retention slots arranged in a plurality of rows including at least an inner row and an outer row, a plurality of surgical fasteners disposed in inner and outer rows and configured such that a plurali ...


6
Michael A Zemlok, Adam J Ross, Russell Pribanic, Ryan Williams: Surgical stapling apparatus. Tyco Healthcare Group, October 2, 2012: US08276801 (232 worldwide citation)

A surgical stapling apparatus is provided and includes a housing having an actuator; an elongated member extending from the housing; an end effector disposed on an end of the elongated member, the end effector having a first jaw and a second jaw, the first jaw having a staple cartridge and the secon ...


7
Michael A Zemlok, Adam J Ross, Russell Pribanic: Surgical stapling apparatus. Covidien, January 29, 2013: US08360299 (216 worldwide citation)

A surgical stapling apparatus having a housing with an actuator and an elongated member extending from the housing. An end effector is disposed on one end of the elongated member. The end effector houses a plurality of fasteners that are operatively coupled to a plurality of pusher members. An actua ...


8
Michael A Zemlok, David C Racenet, Adam J Ross: Powered surgical instrument. Tyco Healthcare Group, September 18, 2012: US08267924 (171 worldwide citation)

A surgical instrument including a housing, an endoscopic portion, a shaft portion and an end effector is disclosed. The endoscopic portion extends distally from the housing and defines a longitudinal axis. The shaft portion is selectively connectable to a distal end of the endoscopic portion. The en ...


9
Michael A Zemlok, David C Racenet, Adam J Ross: Powered surgical instrument. Covidien, August 13, 2013: US08506557 (170 worldwide citation)

A surgical instrument including a housing, an endoscopic portion, a shaft portion and an end effector is disclosed. The endoscopic portion extends distally from the housing and defines a longitudinal axis. The shaft portion is selectively connectable to a distal end of the endoscopic portion. The en ...


10
Matthew J Chowaniec, Xingrui Chen, Michael A Zemlok: Quick connect assembly for use between surgical handle assembly and surgical accessories. Covidien, May 5, 2015: US09023014 (117 worldwide citation)

A hand-held electromechanical surgical device is provided and configured to selectively connect with a surgical accessory. The surgical device includes a device housing defining a connecting portion for selectively receiving a coupling assembly of the surgical accessory. The connecting portion inclu ...