Sherwood Services Ag

Covidien Ag

Bolder Surgical, LLC

Just Right Surgical, LLC

Covidien LP

Coviden Ag

Tyco Healthcare Group LP

Dale Francis Schmaltz

Steven Paul Buysse

Kate Ryland Lawes

Jenifer Serafin Kennedy

Ronald J Podhajsky

David Nichols Heard

Philip Mark Tetzlaff

David Abraham Schechter

Joe Don Sartor

Kristin D Johnson

Gary M Couture

Arlan James Reschke

Daniel Lee Trimberger, Ii

Mathew Erle Mitchell

Lap P Nguyen

Robert Luzzi

Joel Helfer

David Ross

Christopher A Deborski

Michael J Lands

Kirk Bryan Olson

Casey Kuchta

Robert H Wham

Mark Joseph Huseman

Chelsea Shields

Edward C Meagher

David Keppel

Joseph D Bucciaglia

Bret S Felton

Andrew Christoffersen

Gene H Arts

Paul B Guerra

Arlen James Reschke

Jason L Craig

Jeremy S James

Victor K Appel

Steven Paul Buysee

Daniel Lee Trimberger

Keir Hart

Chris J Ehr

S Wade Lukianow

Robert Behnke

Randel Alven Frazier

Stephen Wade Lukianow

Clayton Cole

Russ Hempstead

Kate R Dawes

Steven W Lukianow

Joe Den Sartor

Daniel L Trimberger

Mathew E Mitchell

Arlen Ward

Miao Huang

Dodge Kramer

David Nicholas Heard

Steven P Buysee

Christopher J Ehr

Daniel Lee Ii Trimberger

An electrosurgical instrument has a power supply operatively coupled to an end effector. The end effector has a pair of jaws for effectuating an action on tissue positioned therebetween. The power supply is configured to input a first signal and a second signal to a buck-boost converter. The buck-boost converter is configured to transmit an output to an H-bridge circuit. The H-bridge circuit is configured to pass a signal to a resonant LC transformer circuit. The power supply is configured to transmit a power signal. The pair of jaws are operatively coupled to the power supply to receive the power signal, the power having no more than 80 Volts RMS, and less than 2 Amps RMS. The power is configured to seal the tissue positioned between the pair of jaws in 3 seconds or less.

Low-power tissue sealing device and method

Low power tissue sealing device and method

End effector for a surgical device

Jaw design for a surgical instrument

An electrosurgical instrument has a movable tissue cutting mechanism, a first elongated shaft housing at least a proximal portion of the movable tissue cutting mechanism, and a pair of jaws for clamping tissue. Each jaw of the pair of opposing jaws is rotatable relative to the first elongated shaft, and the movable tissue cutting mechanism is slidable relative to the first elongated shaft. A first link has a distal end rotatably coupled to a proximal one of a pair of non-conductive bushings in the first jaw and a proximal end rotatably coupled to a second elongated shaft, the second elongated shaft interior of and translatable relative the first elongated shaft.

Electrosurgical sealer and divider

Yoke assembly for a surgical instrument

A surgical system and method for fusing tissue are disclosed. The system has an electrosurgical generator capable of delivering electrosurgical power, a surgical instrument electrically connected to the electrosurgical generator and adapted to transfer the electrosurgical power from the electrosurgical generator to a distal end of the surgical instrument, and a power control circuit for controlling the delivery of radio frequency energy to the tissue in contact with the distal end of the surgical instrument. The surgical system is configured to: deliver the radio frequency energy at a non-pulsing power to the tissue for a period of time of 3 seconds or less, wherein the non-pulsing power is held constant, the output current is held under 2 Amperes RMS, and the output voltage is held under 100 Volts RMS, the non-pulsing power further causing the tissue to begin to desiccate and to fuse within the period of time.

A surgical system and associated method for fusing tissue are disclosed. The system has an electrosurgical generator capable of delivering electrosurgical power, a surgical instrument, and a power control circuit. The surgical instrument is electrically connected to the electrosurgical generator and adapted to transfer electrosurgical power from the electrosurgical generator to a distal end of the surgical instrument. The power control circuit controls the delivery of radio frequency energy to tissue in contact with the distal end of the surgical instrument. The surgical system is configured to deliver radio frequency energy at a non-pulsing power to the tissue for a period of time of 3 seconds or less. The non-pulsing power has no less than 7 Watts and no more than 35 Watts, and further causes the tissue to begin to desiccate and to fuse within the period of time.

An apparatus and method for use in sterilizing a surgical instrument is provided. The apparatus includes a surgical instrument that includes a housing having a shaft extending therefrom. The shaft includes one or more grooves defined therein that extends at least partially along the length thereof. The one or more grooves is configured to allow a sterilant passage therethrough. The apparatus also includes a jacket that encloses the shaft and allows the sterilant to travel along the one or more grooves.

Method and system for sterilizing an electrosurgical instrument

A control system for controlling the output of an electrosurgical generator is disclosed. The control system includes a control module configured to receive an optical signal from a surgical site, the optical signal being related to an optical tissue characteristic, the control module configured to process the optical signal using a closed loop control loop and provide continual control of the output of the electrosurgical generator in response to the optical tissue characteristic.

Method and system for controlling output of RF medical generator

A surgical system and associated method for sealing the passageway of a fluid-carrying vessel with a diameter up to 5 millimeters comprises an electrosurgical generator capable of delivering electrosurgical power, a surgical instrument electrically connected to the electrosurgical generator and adapted to transfer electrosurgical power from the electrosurgical generator to a pair of end effectors disposed at a distal end of the surgical instrument. The system also includes a power control circuit for controlling the delivery of radio frequency energy to the vessel through the end effectors, wherein the delivery of the radio frequency energy to the vessel comprises, raising the output current to a range below 1.75 Amperes RMS and the output voltage to a range below 135 Volts RMS. Radio frequency energy is applied to the vessel for a period of time while the power is held approximately constant. The flow of radio frequency energy is terminated when the impedance of the vessel being sealed reaches a predetermined level.

A system for monitoring and/or controlling tissue modification during an electrosurgical procedure is disclosed. The system includes a sensor module and a control module operatively coupled to the sensor module and configured to control the delivery of electrosurgical energy to tissue based on information provided by the sensor module. The sensor module further includes at least one optical source configured to generate light and at least one optical detector configured to analyze a portion of the light transmitted through, and/or reflected from, the tissue.

The present disclosure is directed to electrosurgical pencils having variable controls. In one aspect, the electrosurgical pencil, includes an elongated housing, an electrocautery blade supported within the housing and extending distally from the housing, the electrocautery blade being connected to a source of electrosurgical energy, an activation button supported on the housing, the activation button being movable from a first position to at least a subsequent position, and a transducer electrically connected between the activation button and the source of electrosurgical energy. The transducer is configured to transmit an electrical output signal to the electrosurgical energy source correlating to the movement of the activation button. The source of electrosurgical energy correspondingly supplies an amount of electrosurgical energy to the electrocautery blade dependant upon the electrical output signal.

Electrosurgical pencil having a single button variable control

The present disclosure relates to intravascular thrombectomy systems and methods for ablating a partial or complete blockage in a blood vessel. The system includes a catheter sleeve defining a lumen extending therethrough; a pair of electrodes disposed at a distal end portion of the catheter sleeve, wherein the pair of electrodes are disposed on opposed sides of the lumen of the catheter sleeve; and a guidewire slidably disposed within the lumen of the catheter sleeve, the guidewire including a capture element supported proximate a distal end thereof, wherein the guidewire is slidable with respect to the catheter sleeve to expose the capture element from the distal end portion of the catheter sleeve; wherein the capture element includes a first condition retracted onto the guidewire and a second condition at least substantially spans the entire lumen of the vessel.

Percutaneous or surgical radiofrequency intravascular thrombectomy catheter system and method

Growing community of inventors

Fort Collins, CO, United States of America

Dale Francis Schmaltz