Cilag International Gmbh

Ethicon, Gmbh

Olive Arrow, LLC

Bradley A Arnold

Andrew C Deck

Logan R Rose

Frederick E Shelton, IV

Jason L Harris

Michael S Cropper

Ryan J Laurent

Barry Thomas Jamison

Nicholas D Courtwright

Chester O Baxter, Iii

Chad Paul Boudreaux

Gregory G Scott

Brian D Schings

John Kevin Bruce

Jeffery D Bruns

Andréas N Ward

Sean M Starrett

Gregory J Bakos

Taylor W Aronhalt

Shane R Adams

Michael J Stokes

Jeffrey L Aldridge

Cory G Kimball

David T Martin

John E Brady

Jason Merrill Jones

Kevin M Montgomery

Matthew D Cowperthwait

Alexander R Cuti

John Scott Kimsey

Matthew Thomas Kuhn

Nichole Y Kwee

Jason D Jones

Shannon L Jones

Devanathan Raghavan

Patrick M Schleitweiler

Ryan J Reese

Yvan D Nguetio Tchoumkeu

Anthony Nguyen

Nicholas Seipelt

Marissa T Kamenir

Mallory E Schroeder

Karen M Averbeck

Dylan Rushton

Carolyn Williams

Dhruv Patel

Michael A Oliva Chavez

Iii Chester O Baxter

Iv Frederick E Shelton

An end effector of a surgical instrument may be equipped with a staple cartridge selection system, including a load sensing cartridge insertable into a channel of a cartridge jaw of an end effector for assembly therewith, the load sensing cartridge including: a body having a proximal end portion and a distal end portion; an elongated channel within the body between the proximal end portion and the distal end portion; a load sensor disposed within the elongated channel of the load sensing cartridge, the load sensor configured to sense a parameter indicative of a tissue thickness when tissue is clamped between an anvil jaw and the cartridge jaw in the clamped configuration; and a visual indicator configured to display a visual indication based on the parameter sensed by the load sensor.

Dummy cartridge with load cells for measuring tissue thickness and indicating cartridge selection

A surgical instrument includes a handle assembly, a shaft assembly, an end effector and a clamp force sensor. The handle assembly includes a closure trigger that is pivotable between a released position and an actuated position. The end effector is coupled with the shaft assembly and includes a cartridge that includes an anvil and a cartridge housing. The cartridge housing is slidable with respect to the anvil between an unclamped position and a clamped position to facilitate selective clamping of patient tissue therebetween. The clamp force sensor is associated with the end effector and is configured to detect a clamping force between the anvil and the cartridge housing and facilitate generation of a notification as a function of the detected clamping force.

Surgical stapler with clamp force sensor

A method of creating an anastomosis is provided using a stapling assembly including a body extending distally along a longitudinal axis and a deck member defining a deck surface. The deck surface includes a first array of staple openings comprising a herringbone pattern, and each staple opening of the first array of staple openings has a same size. The method includes positioning an anvil within a first lumen of a patient and positioning the stapling assembly within a second lumen of the patient. The method also includes releasably coupling the anvil with the stapling assembly and compressing tissue of the first and second lumens between the anvil and the deck member. The method further includes actuating a plurality of staple drivers to drive a first plurality of staples distally and parallel to the longitudinal axis from the first array of staple openings into the tissue to define the anastomosis.

Methods of forming an anastomosis between organs with an expandable pattern

A surgical stapler including a body assembly; a shaft assembly that extends distally from the body assembly; a stapling head assembly disposed at a distal end of the shaft assembly, wherein the stapling head assembly is operable to drive a plurality of staples into tissue, wherein the stapling head assembly comprises a closure shaft that is selectively movable longitudinally; and an anvil configured to form the staples, wherein the anvil is selectively coupleable with and actuatable by the closure shaft, wherein the anvil includes one or more sensors each configured to detect a parameter associated with at least one of closure or firing of the end effector; a processor configured to receive signals from the one or more sensors, wherein the signals are indicative of the parameter detected by the one or more sensors; a transmitter configured to transmit the signals; and a battery configured to power the processor.

Independently powered anvil for circular surgical stapler

A surgical stapler includes a first stapler half including an anvil surface having a plurality of staple forming pockets, and a second stapler half configured to releasably couple with the first stapler half. The second stapler half is operable to deploy staples toward the anvil surface. The stapler also includes a projection positioned on one of the stapler halves and extending laterally relative to a longitudinal axis of the stapler. The stapler halves are configured to pivot relative to each other about the projection. The stapler further includes a locking member positioned on the other of the stapler halves. The locking member is configured to translate along the longitudinal axis of the stapler between a locked state in which the locking member selectively captures the projection and an unlocked state in which the locking member selectively releases the projection. The locking member is biased proximally toward the locked state.

Pin trap mechanism for surgical linear cutter

A surgical stapling instrument includes a body member having a distal end. The distal end is configured to be fixedly secured to an annular deck member having a plurality of staple openings. The body member is configured to slidably house a staple driver member. The body member includes a radially expandable collar having at least one latching feature. The surgical stapling instrument also includes a shaft assembly, including a proximal sheath portion, a distal sheath portion, and at least one protrusion extending radially outwardly from the distal sheath portion. The at least one protrusion includes at least one abutment surface configured to engage the at least one latching feature of the radially expandable collar for coupling the body member to the shaft assembly.

Coupling feature for circular surgical stapler end effector

A surgical instrument includes a stapling assembly and an anvil configured to cooperate to compress, staple, and cut tissue. The stapling assembly includes a deck member having a deck surface that faces distally and includes a plurality of staple openings configured to receive a plurality of staples, and a knife member having a distal end that defines a cutting edge. The anvil includes an anvil surface having a plurality of staple forming pockets configured to form the staples, and a washer positioned adjacent to the anvil surface and having a proximal face. The cutting edge of the knife member is configured to cut through the tissue and the proximal face when the surgical instrument is fired. The proximal face includes a tissue gripping feature configured to stabilize and inhibit the tissue from translating across the washer and the anvil surface during firing.

Tissue stabilizing features for circular surgical stapler

A surgical stapler includes first and second elongate members, a clamp member, and a firing assembly. The second elongate member is configured to receive a staple cartridge. The clamp member is operable to releasably clamp the first elongate member against the second elongate member. The firing assembly is translatable to fire the staple cartridge. The firing assembly includes a slider and an actuator configured to be selectively actuated by a user. The slider includes inner and outer engagement features. The actuator includes inner and outer engagement features. The inner engagement feature of the actuator is configured to engage with the inner engagement feature of the slider at a first interface when the actuator moves relative to the slider. The outer engagement feature of the actuator is configured to engage the outer engagement feature of the slider at a second interface when the actuator moves relative to the slider.

Actuator support structure for surgical stapler

A method for adjusting the operation of a clip applier using machine learning in a surgical suite is disclosed. The method comprises gathering data during surgical procedures, wherein the surgical procedures include the use of a clip applier comprising a crimping drive configured to be mechanically advanced through a crimping stroke. The method further comprises analyzing the gathered data to determine an appropriate operational adjustment of the clip applier and adjusting the operation of the clip applier to improve the operation of the clip applier.

Method of hub communication with surgical instrument systems

A surgical instrument includes a housing assembly, a movable member, an anvil, and a force sensing assembly. The housing assembly includes a first housing, a second housing, and a deck surface that includes at least one annular array of staple openings. The force sensing assembly includes at least one of a compression force sensor disposed between the first and second housings or a tension force sensor coupled with the movable member or the anvil. The compression force sensor is configured to sense a compression force communicated longitudinally through the first and second housings during at least one of compressing tissue between the anvil and the deck surface or firing the surgical instrument. The tension force sensor is configured to sense a tension force communicated longitudinally through the movable member during at least one of compressing tissue between the anvil and the deck surface or firing the surgical instrument.

Compression and firing force sensor for circular surgical stapler

A surgical circular stapler has a handle assembly, a shaft assembly, a stapling head assembly, and an anvil. Firing the stapler causes the stapling head assembly to drive a plurality of staples in a circular array to secure two lumens of tissue together. The stapling head assembly may further drive a blade to sever any excess tissue interior of the circular array of staples. The stapler further includes one or more sensors that detect the degree to which the anvil is uniformly loaded when compressing tissue prior to firing the stapler. The one or more sensors can provide signals to a processor with various logic rules that can be used to signal to the user whether uniform loading is achieved. In some instances, the signal may be used in an automated fashion to determine if a uniform loading precondition is satisfied such that firing the stapler is enabled.

Load sensor for circular surgical stapler

A surgical stapler includes a first elongate member, a second elongate member, a clamp member, and a firing assembly. The first elongate member includes a distal portion that supports an anvil surface that includes a plurality of staple forming pockets. The second elongate member includes a distal portion that is configured to receive a staple cartridge. The clamp member is operable to releasably clamp the first elongate member against the second elongate member. The firing assembly is translatable from a first longitudinal position to a second longitudinal position to fire the staple cartridge. The firing assembly includes a slider and an actuator. The slider includes a first coupling feature. The actuator is configured to be selectively actuated by a user. The actuator includes a second coupling feature that is configured to generally surround the first coupling feature of the slider when the actuator moves relative to the slider.

Actuator retainer for surgical stapler

A surgical clip applier comprising an electric motor system is disclosed. The electric motor system is configured to drive a clip firing system of the surgical clip applier. The surgical clip applier further comprises a control system configured to control the electric motor system. The control system is configured to monitor a strain gauge circuit to assess the crimping force experienced by the clip firing system. In at least one instance, one or more strain gauges are mounted to a drive shaft and/or jaw of the clip firing system. The control system modifies the operation of the surgical clip applier when the voltage of the strain gauge circuit exceeds and/or falls below a threshold. In at least one instance, the control system modulates the width, or duration, of voltage pulses applied to the electric motor system to control the speed of the electric motor system.

Surgical clip applier comprising adaptive control in response to a strain gauge circuit

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Mason, OH, United States of America

Bradley A Arnold