Covidien LP

Valleylab, Inc.

Sherwood Services Ag

Robert B Stoddard

Eric Russell Larson

Duane E Kerr

Anthony B Ross

William H Nau, Jr

William J Dickhans

James S Cunningham

Russell D Hempstead

John J Kappus

Arlen K Ward

Glenn A Horner

Peter Michael Mueller

David J Van Tol

Arlan James Reschke

Robert M Sharp

Scott E M Frushour

Luke Waaler

James D Allen, Iv

David Nichols Heard

Ryan C Artale

Arlen James Reschke

Michael S Klicek

Paul R Hrenchir

Louis Delahuerga

Cliff Ketcham

Michael J Brown

Ian Coll McEachern

Jon Paul Page

Robert B Smith

Michael B Lyons

William E Robinson

Sean T O'Neill

Thomas W Meiser

Michael Dickson Olichney

Steven E Butcher

James E Thompson

Diana Gunnarson

Rachael L Kabala

Emery S Rose

Scott David Uhlrich

Michael A Beaty

Arlan J Reschke

Bandele Jeffrey-Coker

Cody C Taylor

William H Nau

James D Allen

Sean T O'neill

Ian C Mceachern

Scott EM Frushour

James D Allen Iv

Jr William H Nau

An endoscopic instrument is provided and includes a housing including an elongated shaft assembly extending distally therefrom. The elongated shaft assembly includes inner and outer shaft members. The inner and outer shaft members are removably coupled to the housing and the outer shaft member is movable with respect to the inner shaft member. An end effector is operably supported at the distal end of the outer shaft member and includes a pair of jaw members configured for treating tissue. A bushing operably couples to the inner and outer shaft members of the shaft assembly and selectively and releasably couples to the housing. The bushing includes one or more mechanical interfaces configured to engage one or more slots defined through the inner shaft member and one or more slots defined through the outer shaft member to release the inner and outer shaft members from the housing.

Endoscopic instrument

An ultrasonic surgical instrument including a blade that treats tissue and a fluid control system to cool the blade by pumping cooling fluid through the blade. The blade defines a blade lumen in fluid contact with an inflow and return conduit of the fluid control system. The fluid control system may further include a fluid reservoir holding the cooling fluid and a pump. The pump is configured to deliver the fluid from the fluid reservoir, through the inflow conduit and the blade lumen, and into return conduit.

Ultrasonic surgical instrument with cooling system

The ultrasonic surgical device includes a power source configured to generate power, an ultrasonic transducer having a first resonant frequency, the ultrasonic transducer electrically coupled to the power source and configured to generate ultrasonic motion in response to the generated power, an ultrasonic probe configured to be mechanically couplable to the ultrasonic transducer, the ultrasonic transducer and the ultrasonic probe having a second resonant frequency when the ultrasonic probe is coupled to the ultrasonic transducer, and a controller configured to determine whether the ultrasonic probe is properly coupled to the ultrasonic transducer based on the first resonant frequency and the second resonant frequency.

Ultrasonic surgical device and method for detection of attachment of ultrasonic probe

An ultrasonic surgical instrument including a blade that treats tissue and a fluid control system to cool the blade by pumping cooling fluid through the blade. The blade defines a blade lumen in fluid contact with an inflow and return conduit of the fluid control system. The inflow conduit defines an open distal end positioned within the blade lumen adjacent the distal end of the blade lumen and the return conduit defines an open distal end positioned within the blade lumen adjacent the proximal end of the blade lumen. The fluid control system may further include a fluid reservoir holding the cooling fluid and an inflow pump. The inflow pump is configured to deliver the fluid from the fluid reservoir, through the inflow conduit and the blade lumen, and into return conduit.

A surgical instrument end effector assembly includes a first jaw member defining an insulative tissue-contacting surface and first and second electrically-conductive tissue-contacting surfaces, and a second jaw member positioned including an ultrasonic blade body and defining at least one electrically-conductive tissue-contacting surface. The first jaw member is movable relative to the second jaw member between a spaced-apart position and an approximated position to grasp tissue therebetween. The second jaw member is movable relative to the first jaw member between a first configuration, to facilitate transmission of ultrasonic energy to tissue grasped between the first and second jaw members, and a second configuration, to facilitate conduction of electrosurgical energy through tissue grasped between the first and second jaw members.

Surgical instruments incorporating ultrasonic and electrosurgical functionality

A surgical instrument end effector assembly includes a first jaw member and a second jaw member. The second jaw member includes an ultrasonic blade body and first and second electrodes disposed on either side of the ultrasonic blade body and extending longitudinally along a majority of a length of the ultrasonic blade body. The ultrasonic blade body is adapted to receive ultrasonic energy from an ultrasonic waveguide. The first and second electrodes taper in width proximally to distally and are adapted to connect to a source of electrosurgical energy. The first jaw member is movable relative to the second jaw member between a spaced-apart position and an approximated position for grasping tissue therebetween.

A method for ultrasonically treating tissue includes accessing a surgical site with an ultrasonic surgical instrument, dissecting tissue with a first portion of the blade, and sealing tissue with a second portion of the blade. The instrument includes a blade that defines a longitudinal axis. The blade is configured to oscillate along the longitudinal axis to ultrasonically treat tissue.

Ultrasonic dissector and sealer

A surgical instrument includes a switch base, a power bus coupled to the switch base, an electrical lead coupled to the power bus, an actuator operatively engaged with the power bus, an actuator operatively engaged with the power bus, a membrane, and a housing. The switch base has top, bottom, and side surfaces. The membrane is disposed over the top surface of the switch base and over the power bus to seal the top surface of the switch base. The housing defines proximal and distal ends and a switch base cavity between the proximal and distal ends. The housing includes bulkheads that form a plurality of fluid impermeable seals that are disposed adjacent one of the proximal and distal ends. The fluid impermeable seals are configured to deter fluid from penetrating a proximal portion of the switch base cavity within which the electrical lead is coupled to the power bus.

Ingress protection for electrosurgical pencil switch

An ultrasonic surgical instrument includes a waveguide defining a blade at a distal end thereof and a lumen extending through a portion of the blade. The blade is configured to receive ultrasonic energy for treating tissue. The instrument further includes first and second conduits each defining a proximal end and a distal end. The second conduit is coaxially disposed about the first conduit. The distal ends of the first and second conduits extend into the lumen. The distal end of the first conduit extends further distally into the lumen than the distal end of the second conduit.

Devices, systems, and methods for cooling a surgical instrument

The present disclosure is directed to a fluid cooled ultrasonic surgical instrument and related systems and methods of use therefor. In some embodiments, the disclosed ultrasonic surgical instrument is adapted for used within an insufflated cavity or pneumoperitoneum of a patient. The instrument includes a housing having an elongate shaft, a waveguide disposed at a distal end of the shaft, a coolant inlet port defined in an outer surface of the housing, and a coolant pump disposed within the housing and configured to move coolant from the coolant inlet port to the waveguide. During use, insufflation gas from within the pneumoperitoneum is drawn into the instrument shaft by the coolant pump, and blown over the waveguide to provide cooling. The delivery of ultrasonic energy and activation of the pump may be controlled by a processor in response to user input and waveguide temperature.

Ultrasonic surgical system having a fluid cooled blade and related cooling methods therefor

An ultrasonic surgical instrument including a housing, an ultrasonic generator, a waveguide assembly, and a retainer. The housing defines a cavity and is configured to mount to a linkage of a surgical robot. The ultrasonic generator includes a portion that is positioned within the cavity. The waveguide assembly is coupled to the ultrasonic generator and includes a portion that is positioned within the cavity. The retainer is positioned over the proximal connector and is engaged with the housing to secure the portions of the ultrasonic generator and the proximal connector within the cavity.

Ultrasonic instruments for robotic surgical systems

An ultrasonic surgical instrument is provided. The ultrasonic surgical instrument includes a housing having an elongated shaft extending therefrom. The shaft has a jaw member disposed at a distal end thereof. The jaw member is movable between an open configuration and a clamping configuration and includes a tissue contacting surface thereon. A cutting blade extends from a distal end of the shaft and operably couples to the housing and adjacent the jaw member to treat tissue. At least one sensor is configured to sense at least one operational parameter of the ultrasonic surgical instrument. At least one controller in operable communication with the at least one sensor is configured to terminate delivery of ultrasonic energy to the cutting blade when the at least one sensor senses the at least one operational parameter.

Ultrasonic surgical instruments

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Steamboat Springs, CO, United States of America

Robert B Stoddard