Other

Sherwood Services Ag

Cosman Instruments, LLC

Radionics, Inc.

Covidien Ag

Chenes LLC

Cosman Intruments, LLC

Eric R Cosman, Sr

William J Rittman, Iii

Menno E Sluijter

Eric Richard Cosman

Michael A Cundari

Eric R Cosman

Robert A Daniels

S Nahum Goldberg

Francis J McGovern

William Rittman

Christophe P Mauge

Gary M Onik

William E Butler

Barton L Guthrie

Michael A Arnold

Paul H Chapman

Karl W Swann

James B Costales

Kenneth K Tanabe

Philip Michael Finch

Jeffrey Labuz

Robert J Ledoux

Theodore S Roberts

William A Chiklakis

James S Bath

Trent H Wells

Trent H Wells, Jr

An RF electrode can have a straight shaft to generate an RF heat lesion that is asymmetric about the central axis of the cannula through which the RF electrode is introduced into bodily tissue. For example, system for tissue ablation including a cannula and an electrode, the cannula including an elongated shaft having a proximal end and a distal end, the cannula shaft including an electrically conductive active tip distal to an electrically insulated cannula shaft portion, the cannula shaft including a lumen extending from a proximal opening at the proximal end of the shaft to a distal portion of the shaft.

Electrosurgical system

This invention relates to high-frequency ablation of tissue in the body using a cooled high-frequency electrode connected to a high frequency generator including a computer graphic control system and an automatic controller for control the signal output from the generator, and adapted to display on a real time graphic display a measured parameter related to the ablation process and visually monitor the variation of the parameter of the signal output that is controlled by the controller during the ablation process. In one example, one or more measured parameters are displayed simultaneously to visually interpret the relation of their variation and values. In one example, the displayed one or more parameters can be taken from the list of measured voltage, current, power, impedance, electrode temperature, and tissue temperature related to the ablation process. The graphic display gives the clinician an instantaneous and intuitive feeling for the dynamics and stability of the ablation process for safety and control. This invention relates to monitoring and controlling multiple ground pads to optimally carry return currents during high-frequency tissue ablation, and to prevent of ground-pad skin burns. This invention relates to the use of ultrasound imaging intraoperatively during a tissue ablation procedure. This invention relates to the use of nerve stimulation and blocking during a tissue ablation procedure.

Electrosurgical generator

A system and method for applying energy, particularly radiofrequency (RF) electrical energy, to a living body can be used in tissue ablation.

Cool RF electrode

Systems and methods for ablating tissue in the living body can include a cool electrode.

A system and method for applying energy, particularly radiofrequency (RF) electrical energy, to a living body can be used in tissue ablation and includes a combination of cannulas, guidance stylets, and a cooled high-frequency electrode.

An RF electrode can have a straight shaft to generate an RF heat lesion that is asymmetric about the central axis of the cannula through which the RF electrode is introduced into bodily tissue.

An RF electrode can have a straight shaft to generate an RF heat lesion that is asymmetric about the central axis of the cannula through which the RF electrode is introduced into bodily tissue. For example, a system for tissue ablation can include a cannula and an electrode, the cannula including an elongated shaft having a proximal end and a distal end, the cannula shaft including an electrically conductive active tip distal to an electrically insulated cannula shaft portion, the cannula shaft including a lumen extending from a proximal opening at the proximal end of the shaft to an exit opening within a distal portion of the cannula shaft, the electrode including an electrode shaft having a proximal end and a distal end, the electrode shaft including an electrically conductive active tip distal to an electrically insulated electrode shaft portion.

An RF electrode can have a straight shaft to generate an RF heat lesion that is asymmetric about the central axis of the cannula through which the RF electrode is introduced into bodily tissue. An electrode can be inserted into a cannula, and an electrosurgical generator can apply current between the active tip of the electrode and the active tip of the cannula to heat tissue.

An internally-cooled RF electrode can have a construction that provides for an electrode hub having reduced weight and size.

Growing community of inventors

Belmont, MA, United States of America

Eric R Cosman, Sr