Patent Holder
Darren Odom
System and method for controlling electrode gap during tissue sealing(Link)
United States 8128625
Issued March 6, 2012
An electrosurgical system for sealing tissue is disclosed that includes an electrosurgical forceps. The forceps includes a drive rod and an end effector assembly coupled to the drive rod at a distal end thereof. The end effector assembly includes jaw members wherein longitudinal reciprocation of the drive rod moves the jaw members from a first position in spaced relation relative to one another to...more
Electrosurgical forceps with slow closure sealing plates and method of sealing tissue(Link)
United States 7491202
Issued February 17, 2009
An Electrosurgical bipolar forceps for sealing tissue is disclosed which includes at least one shaft member having a jaw member disposed at a distal end thereof. The jaw members are movable from a first position in spaced relation relative to one another to at least one subsequent position wherein the jaw members cooperate to grasp tissue therebetween. Each of the jaw members including a sealing...more
System and method for measuring initial tissue impedance(Link)
United States 8034049
Issued October 11, 2011
An electrosurgical system and method are disclosed. The system includes an electrosurgical generator adapted to supply electrosurgical energy to tissue. The generator is further adapted to supply an electrical signal having at least one substantially constant value to tissue to determine initial tissue impedance response. The generator includes sensor circuitry adapted to continuously monitor...more
System and method for controlling RF output during tissue sealing(Link)
United States 7731717
Issued June 8, 2010
An electrosurgical system for sealing tissue is disclosed which includes an electrosurgical forceps having a shaft member and a jaw member disposed at a distal end thereof. The jaw members are movable from a first position in spaced relation relative to one another to at least one subsequent position wherein the jaw members cooperate to grasp tissue therebetween. Each of the jaw members including...more
Switch mechanisms for safe activation of energy on an electrosurgical instrument(Link)
United States 7837685
Issued November 23, 2010
Various safe switching mechanisms are provided for use with electrosurgical instruments which prevent arcing between the high-energy contacts as the high-energy source is activated. The switching mechanisms generally include a pair of high-energy contacts and a pair of activation contacts. An actuator is provided which initially engages the high-energy contacts in advance of engagement of the...more
System and method for tissue sealing(Link)
United States 12/481,087
Filed January 24, 2009
An electrosurgical bipolar forceps for sealing is disclosed. The forceps includes one or more shaft members having an end effector assembly disposed at the distal end. The end effector assembly includes two jaw members movable from a first position to a closed position wherein the jaw members cooperate to grasp tissue at constant pressure. Each of the jaw members includes an electrically...more
Bipolar forceps with multiple electrode array end effector assembly(Link)
United States 11/225,260
Filed September 13, 2005
A bipolar electrosurgical forceps includes first and second opposing jaw members having respective inwardly facing surfaces associated therewith. The first and second jaw members are adapted for relative movement between an open position to receive tissue and a closed position engaging tissue between the inwardly facing surfaces. The first and second jaw members each include a plurality of...more
Vessel sealing instrument with pre-heated electrodes(Link)
United States 11/487,297
Filed July 13, 2006
An electrode assembly having a pair of opposing first and second jaw members is provided. Each jaw member includes an electrically conductive tissue sealing surface extending along a length thereof, each tissue sealing surface is adapted to connect to a source of electrosurgical energy such that the tissue sealing surfaces are capable of conducting electrosurgical energy through tissue held...more
Endoscopic Instrument for Tissue Identification(Link)
United States 8221418
Issued July 17, 2012
The present disclosure relates to various apparatus, systems and methods of identifying and treating tissue using at least one electrical property of tissue. Provided is a method for identifying and treating tissue, the method including providing a electrosurgical treatment device including an electrode assembly for measuring one or more electrical properties of a target tissue, the electrode...more
Adjustable impedance electrosurgical electrodes(Link)
United States 11/801,448
Filed May 10, 2007
An electrosurgical system is disclosed. The electrosurgical system includes at least one electrosurgical electrode having a resistive element and a capacitive element configured in series. The electrosurgical system also including an electrosurgical generator configured to generate electrosurgical energy having a first frequency which generates a first impedance in the at least one electrode due...more
Electrosurgical Instrument Including a Sensor(Link)
United States 12/195,624
Filed August 21, 2008
An electrosurgical system includes an electrosurgical generator, an electrosurgical instrument, an optical clarity sensor and a control component. The electrosurgical generator generates electrosurgical energy for use during electrosurgery. The electrosurgical instrument is coupled to the electrosurgical generator and treats tissue. The optical clarity sensor is coupled to the electrosurgical...more
United States 8128625
Issued March 6, 2012
An electrosurgical system for sealing tissue is disclosed that includes an electrosurgical forceps. The forceps includes a drive rod and an end effector assembly coupled to the drive rod at a distal end thereof. The end effector assembly includes jaw members wherein longitudinal reciprocation of the drive rod moves the jaw members from a first position in spaced relation relative to one another to...more
Electrosurgical forceps with slow closure sealing plates and method of sealing tissue(Link)
United States 7491202
Issued February 17, 2009
An Electrosurgical bipolar forceps for sealing tissue is disclosed which includes at least one shaft member having a jaw member disposed at a distal end thereof. The jaw members are movable from a first position in spaced relation relative to one another to at least one subsequent position wherein the jaw members cooperate to grasp tissue therebetween. Each of the jaw members including a sealing...more
System and method for measuring initial tissue impedance(Link)
United States 8034049
Issued October 11, 2011
An electrosurgical system and method are disclosed. The system includes an electrosurgical generator adapted to supply electrosurgical energy to tissue. The generator is further adapted to supply an electrical signal having at least one substantially constant value to tissue to determine initial tissue impedance response. The generator includes sensor circuitry adapted to continuously monitor...more
System and method for controlling RF output during tissue sealing(Link)
United States 7731717
Issued June 8, 2010
An electrosurgical system for sealing tissue is disclosed which includes an electrosurgical forceps having a shaft member and a jaw member disposed at a distal end thereof. The jaw members are movable from a first position in spaced relation relative to one another to at least one subsequent position wherein the jaw members cooperate to grasp tissue therebetween. Each of the jaw members including...more
Switch mechanisms for safe activation of energy on an electrosurgical instrument(Link)
United States 7837685
Issued November 23, 2010
Various safe switching mechanisms are provided for use with electrosurgical instruments which prevent arcing between the high-energy contacts as the high-energy source is activated. The switching mechanisms generally include a pair of high-energy contacts and a pair of activation contacts. An actuator is provided which initially engages the high-energy contacts in advance of engagement of the...more
System and method for tissue sealing(Link)
United States 12/481,087
Filed January 24, 2009
An electrosurgical bipolar forceps for sealing is disclosed. The forceps includes one or more shaft members having an end effector assembly disposed at the distal end. The end effector assembly includes two jaw members movable from a first position to a closed position wherein the jaw members cooperate to grasp tissue at constant pressure. Each of the jaw members includes an electrically...more
Bipolar forceps with multiple electrode array end effector assembly(Link)
United States 11/225,260
Filed September 13, 2005
A bipolar electrosurgical forceps includes first and second opposing jaw members having respective inwardly facing surfaces associated therewith. The first and second jaw members are adapted for relative movement between an open position to receive tissue and a closed position engaging tissue between the inwardly facing surfaces. The first and second jaw members each include a plurality of...more
Vessel sealing instrument with pre-heated electrodes(Link)
United States 11/487,297
Filed July 13, 2006
An electrode assembly having a pair of opposing first and second jaw members is provided. Each jaw member includes an electrically conductive tissue sealing surface extending along a length thereof, each tissue sealing surface is adapted to connect to a source of electrosurgical energy such that the tissue sealing surfaces are capable of conducting electrosurgical energy through tissue held...more
Endoscopic Instrument for Tissue Identification(Link)
United States 8221418
Issued July 17, 2012
The present disclosure relates to various apparatus, systems and methods of identifying and treating tissue using at least one electrical property of tissue. Provided is a method for identifying and treating tissue, the method including providing a electrosurgical treatment device including an electrode assembly for measuring one or more electrical properties of a target tissue, the electrode...more
Adjustable impedance electrosurgical electrodes(Link)
United States 11/801,448
Filed May 10, 2007
An electrosurgical system is disclosed. The electrosurgical system includes at least one electrosurgical electrode having a resistive element and a capacitive element configured in series. The electrosurgical system also including an electrosurgical generator configured to generate electrosurgical energy having a first frequency which generates a first impedance in the at least one electrode due...more
Electrosurgical Instrument Including a Sensor(Link)
United States 12/195,624
Filed August 21, 2008
An electrosurgical system includes an electrosurgical generator, an electrosurgical instrument, an optical clarity sensor and a control component. The electrosurgical generator generates electrosurgical energy for use during electrosurgery. The electrosurgical instrument is coupled to the electrosurgical generator and treats tissue. The optical clarity sensor is coupled to the electrosurgical...more