Ethicon, Gmbh

Cilag International Gmbh

Ethicon Endo-surgery, Inc.

Janssen Pharmaceuticals, Inc.

Other

Cilag Gmbh Intemational

Kevin L Houser

Frederick E Shelton, IV

David C Yates

Foster B Stulen

Jeffrey David Messerly

Jason L Harris

Mark D Overmyer

Richard L Leimbach

Daniel W Price

Geoffrey S Strobl

Brett E Swensgard

Gregory W Johnson

Shane R Adams

Craig N Faller

Galen C Robertson

Thomas W Lytle, Iv

David A Witt

William D Dannaher

Jerome R Morgan

Charles J Scheib

Timothy G Dietz

Eitan T Wiener

Daniel J Mumaw

Jeffrey L Aldridge

Gavin Martin Monson

Ashvani K Madan

Sora Rhee

Chad Paul Boudreaux

Richard William Timm

Matthew C Miller

Prasanna Malaviya

Emily A Schellin

Jeffrey S Swayze

Donna L Korvick

Sean P Conlon

Wells D Haberstich

Cory G Kimball

Ryan M Asher

Jacob Spencer Gee

Chester O Baxter, Iii

John A Hibner

Barry C Worrell

Richard F Schwemberger

Mark S Ortiz

Michael J O'Neil

David T Martin

Christopher C Miller

Brian D Black

Stephen M Leuck

Brian F Dinardo

Taylor W Aronhalt

Gregory A Trees

Andrew M Zwolinski

Kevin D Felder

Kristen G Denzinger

Joshua D Young

Carl J Shurtleff

Michael J Stokes

Omar J Vakharia

William D Fox

John P Measamer

David James Cagle

William Bruce Weisenburgh, Ii

Andrew T Beckman

Rudolph Henry Nobis

William Eugene Clem

Aaron C Voegele

Christopher J Hess

John V Hunt

Kyle P Moore

Robert L Koch, Jr

Adam David Hensel

Michael S Cropper

William T Donofrio

John B Schulte

John E Brady

Jason R Lesko

Tylor C Muhlenkamp

Gregory J Bakos

James R Giordano

Bret William Smith

David Keith Norvell

Tamara S Widenhouse

Patrick A Weizman

Stephen J Balek

Cortney E Henderson

Michael J Vendely

Mark S Zeiner

Anil K Nalagatla

James Walden Voegele

Steven G Hall

Peter A Krulevitch

Katherine J Schmid

Lauren S Weaner

Mark A Davison

William Jason White

David N Plescia

Scott A Woodruff

Daniel L Baber

Richard C Smith

Disclosed is a method of controlling a modular battery powered handheld surgical instrument. The surgical instrument including a battery, a user input sensor, a controller, a radio frequency (RF) drive circuit, an ultrasonic transducer, ultrasonic transducer drive circuit, and an end effector. The end effector including an electrode electrically coupled to RF drive circuit, an ultrasonic blade acoustically coupled to the ultrasonic transducer, and a sensor to measure tissue parameters. The method includes applying an RF current drive signal to the electrode by the RF drive circuit; applying an ultrasonic drive signal to the ultrasonic transducer by the ultrasonic transducer drive circuit to acoustically excite the ultrasonic blade; controlling intensity, wave shape, and/or frequency of the RF current drive signal and the ultrasonic drive signal on a sensed measure of a tissue or user parameter.

Modular battery powered handheld surgical instrument and methods therefor

A surgical instrument includes a handle assembly, an elongate shaft, an end effector, and control system having a processor and a memory. The handle assembly is movable between a plurality of positions and includes an interface. The control system can cause the processor to toggle between a plurality of interface configurations each associated with one of the positions of the handle assembly. Additionally, or alternatively, the control system can toggle the interface between a primary interface configuration with operational controls and a secondary interface configuration with navigation controls. Additionally, or alternatively, the interface can include a touchscreen configured to provide a firing input signal to the processor. Additionally, or alternatively, a surgical assembly can include the surgical instrument and a remote operating unit with a secondary interface configured to control the end effector.

Surgical instrument with multiple interface configurations

A method for characterizing a state of an end effector of an ultrasonic device is disclosed. The ultrasonic device including an electromechanical ultrasonic system defined by a predetermined resonant frequency. The electromechanical ultrasonic system further including an ultrasonic transducer coupled to an ultrasonic blade. The method including applying, by an energy source, a power level to the ultrasonic transducer, measuring, by a control circuit coupled to a memory, an impedance value of the ultrasonic transducer, comparing, by the control circuit, the impedance value to a reference impedance value stored in the memory; classifying, by the control circuit, the impedance value based on the comparison; characterizing, by the control circuit, the state of the electromechanical ultrasonic system based on the classification of the impedance value; and adjusting, by the control circuit, the power level applied to the ultrasonic transducer based on the characterization of the state of the end effector.

Method for smart energy device infrastructure

An ultrasonic surgical blade includes a body having a proximal end, a distal end, and an outer surface. The distal end is movable relative to a longitudinal axis in accordance with ultrasonic vibrations applied to the proximal end. At least a portion of the outer surface of the body comprises a lubricious coating adhered thereto. The lubricious coating has a coefficient of friction that is less than the coefficient of friction of the outer surface of the body.

Ultrasonic surgical blades

A surgical instrument is disclosed including a transducer configured to produce vibrations along a longitudinal axis at a predetermined frequency and an ultrasonic blade extending along the longitudinal axis coupled to the transducer. The ultrasonic blade includes a body having a proximal end and a distal end. The distal end is movable along the longitudinal axis by the vibrations produced by the transducer. The surgical instrument further includes a protective sheath including a proximal end and a distal end and disposed adjacent to the body. The protective sheath further includes a pad positioned toward the distal end of the protective sheath and located between the body and the distal end of the protective sheath.

Ultrasonic end effectors with increased active length

A surgical instrument includes an end effector and a handle assembly. The end effector is configured to operate at a first energy level and at a second energy level. The end effector is further configured to transition between an open position and a closed position. The end effector is configured to grasp tissue in the closed position. The handle assembly includes a body, a trigger, and an activation element. The trigger is configured to pivot in a first direction relative to the body to actuate the end effector from the open position to the closed position. The activation element is configured to activate the end effector at either the first energy level or the second energy level. The trigger is configured to either activate the activation element or determine whether the end effector operates at the first energy level or the second energy level.

Surgical instrument with multi-functioning trigger

An end effector of an electrosurgical device may include a discharge port in communication with a first fluid path, an aspiration port in communication with a second fluid path, a first and second electrode, and a diverter in mechanical communication with the two electrodes. The diverter may receive, on its surface, a fluid emitted by the discharge port, and maintain a contact of the fluid with the first and second electrodes. The diverter may be further configured to prevent an aspiration, by the aspiration port, of the fluid on its surface. An electrosurgical device may include a source port in communication with a first fluid path, an evacuation port in communication with a second fluid path, a first and second electrode, and a housing. The device may include a shaft extending distally from the housing and the end effector as described above.

Electrosurgical instrument with fluid diverter

The present disclosure provides a surgical instrument including an end effector, a drive member movable to effectuate a motion in said end effector, a motor operable to move the drive member to effectuate the motion in the end effector and a bailout assembly operable to perform a mechanical bailout of the surgical instrument in response to a bailout error. The bailout assembly includes a bailout door, a bailout handle accessible through the bailout door. The bailout handle is operable to move the drive member to effectuate a bailout motion in the end effector. A controller includes a memory and a processor coupled to the memory. The processor is configured to detect the bailout error. The processor is programed to stop the motor in response to the detection of the bailout error.

Feedback algorithms for manual bailout systems for surgical instruments

A surgical device. The surgical device may comprise a transducer, an end effector, a generator and a control circuit. The transducer may be configured to provide vibrations. The end effector may be coupled to the transducer and may extend from the transducer along the longitudinal axis. The generator may provide an electrical signal to the transducer. Also, the control circuit may modify a current amplitude of the electrical signal in response to a change in a vibration frequency of the end effector. Accordingly to various embodiments, the control circuit may detect a first contribution to a vibration frequency of the end effector, the first contribution originating from tissue in contact with the end effector. Also, according to various embodiments, the control circuit may indicate a change in a vibration frequency of the end effector.

Surgical instruments

An apparatus includes a body, a shaft assembly, an end effector, and a control module. The shaft assembly extends distally from the body and includes an acoustic waveguide. The waveguide is configured to acoustically couple with an ultrasonic transducer. The end effector includes an ultrasonic blade, a clamp arm, an electrode, and a sensor. The ultrasonic blade is in acoustic communication with the waveguide. The clamp arm is operable to compress tissue against the ultrasonic blade. The electrode is operable to apply radiofrequency (RF) electrosurgical energy to tissue. The sensor is operable to sense a condition of tissue contacted by the end effector. The control module is operable to control delivery of ultrasonic power and RF electrosurgical energy through the end effector based on data from the sensor.

Surgical instrument with staged application of electrosurgical and ultrasonic energy

In general, systems and methods for controlling operation of drug administration devices using surgical hubs are provided.

Controlling operation of drug administration devices using surgical hubs

A surgical instrument comprises a controller configured to control application of RF or ultrasonic energy at a low level when displacement or intensity of a button is above a first threshold but below a second threshold higher than the first threshold, and control application of RF or ultrasonic energy at a high level when the displacement or intensity exceeds the second threshold. In another aspect, a surgical instrument comprises a first sensor configured to measure a tissue characteristic at a first location, a second sensor configured to measure the tissue characteristic at a second location, and a controller configured to, based at least in part on the measured tissue characteristic at the first location and the second location, control application of RF or ultrasonic energy.

Modular battery powered handheld surgical instrument with selective application of energy based on button displacement, intensity, or local tissue characterization

The present disclosure provides a method for controlling a surgical instrument. The method includes connecting a power assembly to a control circuit, wherein the power assembly is configured to provide a source voltage, energizing, by the power assembly, a voltage boost convertor circuit configured to provide a set voltage greater than the source voltage, and energizing, by the voltage boost convertor, one or more voltage convertors configured to provide one or more operating voltages to one or more circuit components.

Systems and methods for controlling a segmented circuit

A surgical instrument includes a transducer configured to produce vibrations at a predetermined frequency. An ultrasonic end effector extends along a longitudinal axis and is coupled to the transducer. The ultrasonic end effector comprises an ultrasonic blade and a clamping mechanism. A controller receives a feedback signal from the ultrasonic end effector and the feedback signal is measured by the controller. A lumen is adapted to couple to a pump. The controller is configured to control fluid flow through the lumen based on the feedback signal, and the lumen is located within the ultrasonic end effector.

Temperature controlled ultrasonic surgical instruments

A surgical system is disclosed including an end effector comprising a clamp arm, a tissue contacting surface, and a circuit defining a plurality of segmented sections. The plurality of segmented sections comprises a first segmented section comprising a first impedance sensor configured to sense a parameter associated with tissue positioned in the first segmented section and deliver electrosurgical energy to the tissue. A motor is configured to move the clamp arm. A current sensor is configured to sense a current draw of the motor. A control system is configured to interrogate the first impedance sensor to determine a value of the parameter, interrogate the current sensor to determine the current draw, compare the value of the parameter to a threshold value, compare the current draw to a threshold current draw, and divert the electrosurgical energy away from the first segmented section based on the comparisons.

Modular battery powered handheld surgical instrument with selective application of energy based on tissue characterization

Growing community of inventors

Springboro, OH, United States of America

Kevin L Houser