Ethicon, Gmbh

Cilag International Gmbh

Ethicon Endo-surgery, Inc.

The Procter & Gamble Company

Sun Chemical Corporation

Christopher C Miller

Frederick E Shelton, IV

Brian F Dinardo

Richard F Schwemberger

Charles J Scheib

John P Measamer

Omar J Vakharia

Jason L Harris

Cortney E Henderson

Kevin L Houser

Richard L Leimbach

Carl J Shurtleff

Jerome R Morgan

Emily A Schellin

William D Fox

Kevin D Felder

Barry Thomas Jamison

Mark D Overmyer

Adam R Dunki-Jacobs

Joseph E Young

Kevin D Sackett

John V Hunt

Joshua R Uth

Matthew S Corbin

Jeffrey C Gagel

David C Yates

Chester O Baxter, Iii

Jeffrey S Swayze

Andrew T Beckman

Cory G Kimball

Patrick A Weizman

Daniel L Baber

Jason M Rector

Bret William Smith

Katherine J Schmid

Michael S Cropper

Michael J Stokes

Foster B Stulen

Anil K Nalagatla

Daniel J Mumaw

Jason R Lesko

Johnny H Alexander, Iii

John F Cummings

Edward G Chekan

Matthew H Bolton

William R Stager

Brian W Bear

Jason E Zerkle

Venkataramanan Mandakolathur Vasudevan

Craig S Smith

Rodney V Clingaman

Patrick J Swindon

Joseph P Schowalter

Nadja K Briscoe Heller

Veronica J Schlegel

Timothy E Goode

Joseph T Kluener

Kent P Baker

Julia F Serber

Stephanie A Mutchler

Michael Nyle Hershberger

Nathan Daniel Estruth

Jared Bernard Kline

Thomas E Adams

Scott A Jenkins

Tamara S Vetro Widenhouse

Brian DiNardo

Jamison Joseph Float

Jonathan Daniel Doll

Matthew Edward O'Kelly

Steven L Johnson

Joseph Schowalter

Matthew E O'KELLY

Jamison J Float

Iii Johnny H Alexander

Iv Fredrick E Shelton

Johnny H Iii Alexander

Frederick E Iv Shelton

Iv Frederick E Shelton

Frederick E Shelton Iv

Chester O Iii Baxter

James S Merritt

An apparatus includes a body, a shaft assembly, a stapling head assembly, and an anvil. The stapling head assembly includes an annular deck member, a plurality of staples, and a driver. The deck member includes a deck surface that has a curved profile defined by a curve extending from the inner diameter of the deck member to the outer diameter of the deck member. The deck member further includes an outer array of staple openings and an inner array of staple openings. The driver is operable to drive the staples through the staple openings. The anvil is operable to compress tissue against the first deck surface.

Atraumatic stapling head features for circular surgical stapler

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

A surgical circular stapler has a handle assembly, a shaft, a stapling assembly, and a firing assembly. The shaft extends distally from the handle assembly. The stapling assembly is secured to a distal end of the shaft. Longitudinal translation of the firing assembly causes the stapling assembly to drive a plurality of staples in a circular array to secure two lumens of tissue together. The stapling assembly may further drive a blade to sever any excess tissue interior of the circular array of staples. The stapler further includes a lockout assembly configured to control firing of the stapling assembly. The lockout assembly may include one or more switches, the actuation of which is configured to prevent or permit firing of the stapling assembly. The lockout assembly may additionally or alternatively include one or more mechanical lockout features configured to control firing of the stapling assembly.

Surgical stapler with anvil seating detection

Methods and systems for performing circular stapling

Surgical stapler

Aspects of the present disclosure are presented for a surgical instrument having one or more sensors at or a near an end effector and configured to aide in the detection of tissues and other materials and structures at a surgical site. The detections may then be used to aide in the placement of the end effector and to confirm which objects to operate on, or alternatively, to avoid. Examples of sensors include laser sensors used to employ Doppler shift principles to detect movement of objects at the surgical site, such as blood cells; resistance sensors to detect the presence of metal; monochromatic light sources that allow for different levels of absorption from different types of substances present at the surgical site, and near infrared spectrometers with small form factors.

Surgical instrument with detection sensors

An apparatus includes an end effector including an anvil and lower jaw. The anvil is pivotable toward the lower jaw to capture tissue. The apparatus further includes a stapling and severing assembly configured to sever and staple tissue clamped between the anvil and the lower jaw. A staple cartridge is coupled with the lower jaw. The staple cartridge includes a deck facing the anvil, a plurality of staples positioned in a plurality of staple openings formed through the deck, and a cinching feature positioned on the deck. At least a portion of the cinching feature is configured to be captured by the staples as the staples are driven out of the staple openings in response to activation of the stapling and severing mechanism. The cinching feature is configured to cinch severed and stapled tissue.

Apparatus and method for cinching a straight staple line

A surgical circular stapler has a handle assembly, a shaft, a stapling assembly, a motor, a drive assembly, and a firing assembly. The shaft extends distally from the handle assembly. The stapling assembly is secured to a distal end of the shaft. Longitudinal translation of the firing assembly causes the stapling assembly to drive a plurality of staples in a circular array to secure two lumens of tissue together. The stapling assembly may further drive a blade to sever any excess tissue interior of the circular array of staples. The motor is operable to rotate the drive assembly to thereby translate the firing assembly. A resilient member biases the firing assembly proximally. Through cooperation between the firing assembly and the resilient member, the firing assembly is driven distally and proximally to complete a firing stroke in response to rotation of the drive assembly through a single revolution.

Surgical stapler with rotary cam drive

A surgical instrument includes a stapling head assembly, an anvil, a firing assembly, a motor, a user input feature, and an electrical circuit. The firing assembly actuates the stapling head assembly to drive an annular array of staples through tissue toward the anvil. The motor actuates the firing assembly through an actuation stroke to thereby actuate the stapling head assembly. The electrical circuit includes a trigger switch and an electrical latching feature. The trigger transitions from an open state to a closed state in response to the user input feature transitioning from a non-actuated state to an actuated state. The electrical circuit activates the motor in response to closure of the trigger switch. The electrical latching feature maintains activation of the motor to complete the actuation stroke even if the trigger switch is transitioned back to the open state before completion of the actuation stroke.

Firing circuit for surgical stapler

Growing community of inventors

Loveland, OH, United States of America

Christopher C Miller