Cilag International Gmbh

Ethicon, Gmbh

Joseph T Kluener

Jeffrey C Gagel

Frederick E Shelton, IV

Charles J Scheib

Kevin L Houser

Mark D Overmyer

Richard L Leimbach

Emily A Schellin

Richard F Schwemberger

Omar J Vakharia

Christopher C Miller

William D Fox

John P Measamer

Brian F Dinardo

Kevin D Sackett

Jason E Zerkle

Johnny H Alexander, Iii

Craig S Smith

William R Stager

Rodney V Clingaman

Brian W Bear

Matthew H Bolton

Timothy E Goode

An apparatus includes a body, a shaft, a stapling head assembly, and an anvil. The body includes a motor, a first user input feature, and a second user input feature. The first user input feature is operable to activate the motor. The shaft extends distally from the body. The stapling head assembly is positioned at a distal end of the shaft. The stapling head assembly includes an anvil coupling feature, at least one annular array of staples, and a staple driver. The second user input feature is operable to drive the anvil coupling feature longitudinally. The staple driver is operable to drive the at least one annular array of staples. The motor is operable to drive the staple driver. The anvil is configured to couple with the anvil coupling feature. The anvil is further configured to deform the staples driven by the staple driver.

Methods and systems for performing surgical stapling

Methods and systems for performing circular stapling

An apparatus includes a body, a shaft assembly, an end effector, and an indicator assembly. The end effector includes a stationary component and a movable component. The indicator assembly includes a translating member and an indicator member. The translating member translates relative to the body in response to movement of the movable component relative to the stationary component. The indicator member moves from a first position toward a second position. The indicator member includes an integral resilient feature configured to bias the indicator member toward the first position. The translating member drives the indicator member toward the second position in response to movement of the movable component relative to the stationary component in a first direction. The resilient feature drives the indicator member toward the first position in response to movement of the movable component relative to the stationary component in a second direction.

Hysteresis removal feature in surgical stapling instrument

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Cincinnati, OH, United States of America

Joseph T Kluener