Covidien Ag

Sherwood Services Ag

Covidien LP

Tyco Healthcare Group LP

Arthrex, Gmbh

Carefusion 2200, Inc.

Coviden Ag

Michael C Moses

Kristin D Johnson

Paul Ray Romero

Duane E Kerr

Sean T Dycus

Philip Mark Tetzlaff

David Abraham Schechter

Gary M Couture

James S Cunningham

Steven Paul Buysse

Roger F Smith

Carolyn H Mihaichuk

Lap P Nguyen

Gene H Arts

Jeffrey R Townsend

E Christopher Orton

Amy Denham

Jeremy Scott James

Dave A Schechter

Robert Edwin Schneider

John A Krueger

Kelly G Ammann

Vincent P Novak

Nathan H White

Evan D Linderman

Ralph E Burns

Kate Ryland Lawes

Chelsea Shields

Justin R Taber

Joshua K Goetz

Michael R Warzecha

Michael P Hogan

Jeremey Scott James

Adam B Seitman

Edward Chojin

Johnson Kristin D

James Steven Cunningham

David A Schechter

Amendola Ned

Mark Philip Tetzlaff

A removable electrode assembly for use in combination with a forceps having opposing end effectors and a handle for effecting movement of the end effectors relative to one another. The electrode assembly includes a housing which is removably engageable with the forceps and a pair of electrodes which are attachable to a distal end of the housing. The electrodes are removably engageable with the end effectors of the forceps such that the electrodes reside in opposing relation relative to one another. The electrode assembly also includes a cover plate which is removably attachable to the housing and at least one stop member for controlling the distance between the opposing electrodes. The stop member is selectively engageable with the electrodes.

Vessel sealing forceps

A tissue ablation device is provided for use in soft tissue and/or in bone. It is configured to include an inner probe with a first electrode and a second electrode and an outer needle through which the inner probe extends. After the inner probe is directed therewithin to a target, the outer needle can be withdrawn to expose space between the first and second electrodes to form an RF or other energy field for tissue ablation therebetween upon actuation of an energy source. Such embodiments may include methods for tissue ablation and placement of stabilizing materials.

Intravertebral tissue ablation device and method

Vessel sealing forceps with disposable electrodes

An open electrosurgical forceps includes a pair of first and second shaft members each having a jaw member disposed at its distal end. The jaw members are movable from a first position in spaced relation relative to one another to a subsequent position wherein the jaw members cooperate to grasp tissue. Each of the jaw members includes an electrically conductive scaling plate for communicating electrosurgical energy through tissue. A curved knife channel is defined along the length of one of the jaw members and is dimensioned to reciprocate a cutting mechanism. An actuator selectively advances the cutting mechanism from a first position proximal to tissue held between the jaw members to a subsequent position distal to tissue held between the jaw members. The cutting mechanism includes a generally hourglass-shaped flexible blade having a mutually aggregating notch.

Open vessel sealing instrument with hourglass cutting mechanism and overratchet safety

Apparatus for performing an open wedge, high tibial osteotomy, the apparatus comprising: a wedge-shaped implant for disposition in a wedge-shaped opening created in the tibia, wherein the wedge-shaped implant comprises a hole extending therethrough; a fixation screw for extending through the hole and securing the wedge-shaped implant to the tibia; and a locking mechanism for releasably locking the fixation screw to the wedge-shaped implant. The fixation screw comprises: a shaft having a distal threaded portion and a proximal threaded portion, wherein the distal threaded portion and the proximal threaded portion are characterized by different thread pitches.

Method and apparatus for performing an open wedge, high tibial osteotomy

A method for cardiac surgical intervention relies on sealing or fusing heart valve leaflets without requiring implanted materials such as sutures or staples. The method provides a forceps having at least one shaft and an end effector assembly attached thereto. The end effector assembly includes a pair of opposing jaw members configured to move from an open, spread position to a closed, grasping position; creating at least one opening in the patient for inserting the forceps therein; inserting through the opening and manipulating jaw members of the forceps to grasp a portion of a first heart valve leaflet and a portion of a second heart valve leaflet therebetween; activating the forceps to close the jaw members about the leaflet portions under a working pressure, applying radiofrequency energy to the jaw members to seal the portion of the first heart valve leaflet to the portion of the second heart valve leaflet.

Radiofrequency fusion of cardiac tissue

An open electrosurgical forceps for sealing tissue includes a pair of first and second shaft members each 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 a subsequent position wherein the jaw members cooperate to grasp tissue therebetween. Each of the jaw members includes an electrically conductive sealing plate for communicating electrosurgical energy through tissue held therebetween. At least one of the jaw members includes a cutting slot defined along a length thereof which is dimensioned to reciprocate a cutting instrument therealong for cutting tissue disposed between jaw members. An actuator advances the cutting instrument from a first position wherein the cutting instrument is disposed proximal to tissue held between the jaw members to at least one subsequent position wherein the cutting instrument is disposed distal to tissue held between the jaw members.

Open vessel sealing instrument with cutting mechanism

An electrode assembly for use in combination with an electrosurgical instrument having opposing end effectors and a handle for effecting movement of the end effectors relative to one another. The electrode assembly includes a housing having one portion which is removably engageable with the electrosurgical instrument and a pair of electrodes each having an electrically conductive sealing surface and an insulating substrate. The electrodes are removably engageable with the end effectors of the electrosurgical instrument such that the electrodes reside in opposing relation relative to one another. The dimensions of the insulating substrate are different from the dimensions of the electrically conductive sealing surface to reduce thermal spread to adjacent tissue structures.

Electrosurgical instrument which reduces collateral damage to adjacent tissue

A disposable open electrosurgical forceps for sealing tissue is disclosed in the present disclosure. The disposable open electrosurgical forceps comprise a pair of first and second shaft members containing a fiber reinforced thermoplastic blend material having fiber strands of at least 2 millimeters in length. Each shaft member includes a jaw member disposed at a distal end thereof which 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 also includes an electrically conductive sealing plate for communicating electrosurgical energy through tissue held therebetween. At least one of the jaw members includes a knife channel defined along a length thereof which is dimensioned to reciprocate a cutting mechanism therealong. An actuator is included for selectively advancing the cutting mechanism from a first position wherein the cutting mechanism is disposed proximal to tissue held between the jaw members to at least one subsequent position wherein the cutting mechanism is disposed distal to tissue held between the jaw members. The actuator includes a trigger which cooperates with a rack and pinion system to advance the cutting mechanism from the first to second positions through tissue held therebetween.

Open vessel sealing instrument

Open electrosurgical forceps for sealing tissue are provided which include first and second shaft portions pivotably associated with one another. Each shaft portion has a jaw member disposed at a distal end thereof. Each of the jaw members includes an electrically conductive sealing surface adapted to communicate electrosurgical energy through tissue held therebetween and a slot formed through the sealing surface thereof. The forceps includes a cutting mechanism operatively associated with the first and second jaw members. The cutting mechanism includes a cutting element disposed within the slot of the at least one jaw member, the cutting element being movable from a first position wherein the cutting element is retracted within the at least one jaw member and a second position in which the cutting element at least partially projects from a sealing surface of the at least one jaw member.

Mechanism for dividing tissue in a hemostat-style instrument

Growing community of inventors

Boulder, CO, United States of America

Michael C Moses