Cilag International Gmbh

Ethicon, Gmbh

Kristen G Denzinger

Craig N Faller

Ryan M Asher

Madeleine C Jayme

Brian D Black

Cameron R Nott

Benjamin D Dickerson

Stephen M Leuck

Patrick Jarvis Scoggins

David C Yates

Amrita Singh Sawhney

Jeffrey David Messerly

Tylor C Muhlenkamp

Gregory A Trees

Eitan T Wiener

Eric M Roberson

Fergus P Quigley

Chad Paul Boudreaux

Foster B Stulen

Ashvani K Madan

John E Brady

Frederick L Estera

Frederick E Shelton, IV

William Bruce Weisenburgh, Ii

Jacob Spencer Gee

John B Schulte

David James Cagle

Kevin L Houser

Barry C Worrell

Cory G Kimball

Gregory W Johnson

Gregory D Bishop

Benjamin J Danziger

Paul F Riestenberg

Rafael J Ruiz Ortiz

Alexander R Cuti

Matthew S Schneider

Joseph E Hollo

Maxwell T Rockman

Charles J Scheib

John A Hibner

Geoffrey S Strobl

Daniel J Mumaw

Brendan J Oberkircher

Michael R Lamping

John A Weed, Iii

William A Olson

Joseph Daniel Dennis, Jr

Monica L Zeckel

Chester O Baxter, Iii

Richard William Timm

Joshua Henderson

Benjamin M Boyd

Stephen D Geresy

Phillip H Clauda

Timothy S Holland

James M Wilson

Cara Shapiro

Jason L Harris

Jeffrey S Swayze

Kevin Michael Fiebig

Jeffrey L Aldridge

Matthew C Miller

Sean P Conlon

Rudolph Henry Nobis

David T Martin

Wells D Haberstich

Mark A Davison

Nathan Daniel Grubbs

Patrick J Minnelli

Wei Guo

Craig T Davis

Disha V Labhasetwar

Shan Wan

Thomas B Remm

Catherine A Corbett

David Alexander Monroe

Ion V Nicolaescu

Jeffery Kirk

Daniel James Prenger

Steven P Smolik

Thomas C Gallmeyer

Robert A Kemerling

Mark E Tebbe

Monica L Rivard

David M Locke

John V Hunt

Omar J Vakharia

William Eugene Clem

Tamara S Widenhouse

Chad E Eckert

Stephen J Balek

Jason R Lesko

Richard C Smith

Ellen E Burkart

Amy M Krumm

James M Vachon

Jacob S Childs

Candice Otrembiak

Jeffrey A Bullock

A surgical apparatus includes a body assembly, a shaft, an acoustic waveguide, an articulation section, an end effector, and a rigidizing member. The shaft extends distally from the body assembly and defines a longitudinal axis. The acoustic waveguide includes a flexible portion. The articulation section is coupled with the shaft. A portion of the articulation section encompasses the flexible portion of the waveguide. The articulation section includes a first member and a second member. The second member is longitudinally translatable relative to the first member. The end effector includes an ultrasonic blade in acoustic communication with the waveguide. The rigidizing member is configured to selectively engage at least a portion of the articulation section to thereby selectively provide rigidity to the articulation section.

Ultrasonic surgical instrument with movable rigidizing member

Systems, methods and devices for surgical procedurelization via a modular energy system are disclosed herein. In various aspects, the systems, methods and devices include an energy module, a header module communicably coupled to the energy module, and a display screen capable of rendering a graphical user interface (GUI). The GUI may be configured to display a plurality of steps that correspond with actions performed by a user while operating the modular energy system. In some aspects, the steps displayed are steps of a predetermined procedural checklist corresponding with a mental model followed by the user while performing a surgical procedure. In some aspects, the steps displayed are steps of an output verification process.

Surgical proceduralization via modular energy system

Various aspects of a generator, ultrasonic device, and method for estimating and controlling a state of an end effector of an ultrasonic device are disclosed. The ultrasonic device includes an electromechanical ultrasonic system defined by a predetermined resonant frequency, including an ultrasonic transducer coupled to an ultrasonic blade. A control circuit measures a complex impedance of an ultrasonic transducer, wherein the complex impedance as defined as The control circuit receives a complex impedance measurement data point and compares the complex impedance measurement data point to a data point in a reference complex impedance characteristic pattern. The control circuit then classifies the complex impedance measurement data point based on a result of the comparison analysis and assigns a state or condition of the end effector based on the result of the comparison analysis. The control circuit estimates the state of the end effector of the ultrasonic device and controls the state of the end effector of the ultrasonic device based on the estimated state.

Methods for estimating and controlling state of ultrasonic end effector

Various aspects of a generator, ultrasonic device, and method for estimating a state of an end effector of an ultrasonic device are disclosed. The ultrasonic device includes an electromechanical ultrasonic system defined by a predetermined resonant frequency, including an ultrasonic transducer coupled to an ultrasonic blade. A control circuit measures a complex impedance of an ultrasonic transducer, wherein the complex impedance is defined as Z(t)=V(t)/I(t). The control circuit receives a complex impedance measurement data point and compares the complex impedance measurement data point to a data point in a reference complex impedance characteristic pattern. The control circuit then classifies the complex impedance measurement data point based on a result of the comparison analysis and assigns a state or condition of the end effector based on the result of the comparison analysis.

Estimating state of ultrasonic end effector and control system therefor

Disclosed is a method of assembling a backplane connector subassembly for a module of a modular energy system. The backplane connector subassembly physically and electrically connects at least two modules stacked on top of one another. The method includes providing a back panel defining an inner surface, attaching a first support member to the inner surface of the back panel, attaching a second support member to the inner surface of the back panel, attaching the upstream connector to the back panel by sliding a first mating hole defined in the upstream connector onto the first support member, and attaching the downstream connector to the back panel by a sliding a second mating hole defined in the downstream connector onto the second support member. The first support member is configured to support an upstream connector. The second support member is configured to support a downstream connector.

Modular energy system

A generator, ultrasonic device, and method for controlling a temperature of an ultrasonic blade are disclosed. A control circuit coupled to a memory determines an actual resonant frequency of an ultrasonic electromechanical system comprising an ultrasonic transducer coupled to an ultrasonic blade by an ultrasonic waveguide. The actual resonant frequency is correlated to an actual temperature of the ultrasonic blade. The control circuit retrieves from the memory a reference resonant frequency of the ultrasonic electromechanical system. The reference resonant frequency is correlated to a reference temperature of the ultrasonic blade. The control circuit then infers the temperature of the ultrasonic blade based on the difference between the actual resonant frequency and the reference resonant frequency. The control circuit controls the temperature of the ultrasonic blade based on the inferred temperature.

Methods for controlling temperature in ultrasonic device

Various aspects of a generator, ultrasonic device, and method for estimating a state of an end effector of an ultrasonic device are disclosed. The ultrasonic device includes an electromechanical ultrasonic system defined by a predetermined resonant frequency, including an ultrasonic transducer coupled to an ultrasonic blade. A control circuit measures a complex impedance of an ultrasonic transducer, wherein the complex impedance is defined as The control circuit receives a complex impedance measurement data point and compares the complex impedance measurement data point to a data point in a reference complex impedance characteristic pattern. The control circuit then classifies the complex impedance measurement data point based on a result of the comparison analysis and assigns a state or condition of the end effector based on the result of the comparison analysis.

Method for mechanical packaging for modular energy system

A method for coagulating and dissecting tissue. The method includes measuring a tissue property and delivering multiple energy modalities to the tissue based on the tissue property. The energy modalities being delivered from a generator either alone or in combination.

Surgical instrument with user adaptable techniques

A port module removably coupleable to an energy module of a module energy system is disclosed. The port module includes a light pipe and a receptacle defined by the light pipe. The receptacle is configured to receive a plug of an electrosurgical instrument therein. A seal is defined between the light pipe and the receptacle.

Bezel with light blocking features for modular energy system

An ultrasonic device may include an ultrasonic system including a transducer coupled to an ultrasonic blade, A method of delivering energy to the device may include sensing a vessel contacting the blade, identifying that the vessel is calcified, and generating a warning. In some aspects, the method further includes disabling one or more activation functions of the blade. In another aspect, the method further includes generating a message to apply compression to the vessel for a predetermined period, disabling activation functions of the blade during compression, and enabling activation functions after the expiration of the compression period. In yet another aspect, the method includes applying a compressive clamp force to the calcified vessel by driving a clamp arm toward the blade, disabling activation functions of the blade during compression, and enabling the activation functions after adjusting the compressive force. An ultrasonic surgical instrument may effect the method.

Calcified vessel identification

A method of controlling the application of energy to a radio frequency (RF) instrument based on a surgical technique may include activating the instrument for a first period T1, during which time a portion of an end effector contacts a tissue, plotting at least two electrical parameters associated with the tissue to classify an amount of the end effector in contact with the tissue, applying a classification algorithm to classify the amount of the end effector in contact with the tissue, and applying an amount of energy to the end effector based on the amount of the end effector in contact with the tissue. The parameters may include a minimum impedance of the tissue and an amount of time that the impedance slope is &#x2dc;0. The end effector may contact the tissue with a tip end or with an entire surface.

Fine dissection mode for tissue classification

A method of ultrasonic sealing includes activating an ultrasonic blade temperature sensing, measuring a first resonant frequency of an ultrasonic electromechanical system that includes a transducer coupled to the blade via a waveguide, making a first comparison between the measured first resonant frequency and a first predetermined resonant frequency, and adjusting a power level applied to the transducer based on the first comparison. The first predetermined frequency may correspond to an optimal tissue coagulation temperature. The method may further include measuring a second resonant frequency of the system, making a second comparison between the measured second frequency and a second predetermined frequency, and adjusting the power level based on the second comparison. The second predetermined frequency may correspond a melting point temperature of a clamp arm pad. An ultrasonic instrument and a generator may implement the method.

Ultrasonic sealing algorithm with temperature control

A first module configured to engage with a second module in a stacked configuration to define a modular energy system is provided. The second module comprises a second bridge connector portion that comprises a second outer housing and a second electrical connection element. The first module comprises a first bridge connector portion comprising a first outer housing and a first electrical connection element. The first outer housing is configured to engage the second outer housing during assembly of the modular energy system prior to the first electrical connection element engaging the second electrical connection element.

Backplane connector design to connect stacked energy modules

Growing community of inventors

Cincinnati, OH, United States of America

Kristen G Denzinger