Patents by Inventor Roger D. Greeley
Roger D. Greeley has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9895191Abstract: This invention provides an electrosurgical device comprising a handle, a shaft member distal to the handle, a first electrode tip and a second electrode tip at a distal end of the shaft member with the first electrode tip laterally spaced from the second electrode tip, and an electrode sheath movable to cover and uncover a side of the electrode tips while a distal end of the electrode tips is uncovered to treat tissue.Type: GrantFiled: May 29, 2015Date of Patent: February 20, 2018Assignee: Medtronic Advanced Energy LLCInventors: Brian M. Conley, Roger D. Greeley, Christopher W. Maurer, Anthony R. DePasqua
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Publication number: 20170056099Abstract: A multipurpose electrosurgical device is configurable in a bipolar mode and a monopolar mode using a three-conductor electrical input. The device includes a switching mechanism that provides signals corresponding with a first function and a second function in a monopolar mode. The switching mechanism also provides a signal corresponding with a third function in a bipolar mode.Type: ApplicationFiled: July 21, 2016Publication date: March 2, 2017Applicant: Medtronic Advanced Energy LLCInventors: David Hubelbank, Roger D. Greeley
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Patent number: 9486283Abstract: The disclosure provides a fluid-assisted electrosurgical device. The device comprises a first electrode, a second electrode and at least one fluid outlet. In one embodiment, the first electrode has a distal portion with an electrically conductive spherical surface, the second electrode has a distal portion with an electrically conductive spherical surface, and at least one of the first electrode and the second electrode have a blade portion.Type: GrantFiled: December 20, 2013Date of Patent: November 8, 2016Assignee: MEDTRONIC ADVANCED ENERGY LLCInventors: Roger D. Greeley, Donald Earles, David Flanagan, Eliot Bloom, Brian Conley, Jonathan Barry
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Patent number: 9445858Abstract: A bipolar electrosurgical device is disclosed. The bipolar electrosurgical device includes a handle having a shaft and a distal end. The handle can be coupled to a source of electrical energy and a fluid source. A U-shaped first electrode extends distally in a plane from a pair of openings on the distal end of the shaft. The first electrode is in electrical communication with one of an active pole or a return pole of the source of electrical energy. A longitudinal second electrode extends distally from a middle opening on the distal end of the shaft. The second electrode is coplanar to the first electrode and electrically isolated from the first electrode. The second electrode is in electrical communication with the other of the active pole or the return pole of the source of electrical energy. The second electrode forms a lumen configured to be in fluid communication with the fluid source and a fluid opening for dispersing fluid.Type: GrantFiled: March 5, 2014Date of Patent: September 20, 2016Assignee: MEDTRONIC ADVANCED ENERGY LLCInventors: Brian M. Conley, Jonathan J. Barry, Roger D. Greeley, Chad M. Greenlaw, Lorenzo C. Vaccarella, Joseph Sylvester
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Patent number: 9381061Abstract: An electrosurgical device includes a first electrode tip connected to a first shaft and spaced from a second electrode tip connected to a second shaft. The first electrode tip serves as a first pole, and the second electrode tip serves as a second pole, of a bipolar electrode configuration. A first fluid outlet opening is defined by a distal end of the first shaft and a portion of the first electrode tip. A second fluid outlet opening is defined by a distal end of the second shaft and a portion of the second electrode tip. At least one recess can be formed in an exterior surface of each of the first and the second electrode tips, providing a fluid flow channel for fluid to flow distally along the respective electrode tip.Type: GrantFiled: November 23, 2011Date of Patent: July 5, 2016Assignee: MEDTRONIC ADVANCED ENERGY LLCInventors: Michael E. McClurken, Arnold E. Oyola, Jonathan E. Wilson, Christopher W. Maurer, Robert Luzzi, Roger D. Greeley
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Patent number: 9345541Abstract: The invention provides a cartridge assembly to couple a tissue treatment device with an electrosurgical unit, with the cartridge assembly operable with a power delivery apparatus and a fluid delivery apparatus of the electrosurgical unit. The invention also provides an electrosurgical unit comprising a power delivery apparatus and a fluid delivery apparatus operable with the cartridge assembly and a system thereof.Type: GrantFiled: September 8, 2010Date of Patent: May 24, 2016Assignee: MEDTRONIC ADVANCED ENERGY LLCInventors: Roger D. Greeley, Brian M. Conley, David J. Flanagan, Aaron J. Gifford, Steven G. Miller, Blaine T. Murakami, Thomas P. Robinson
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Patent number: 9333027Abstract: A method of producing an electrosurgical device is disclosed. Opposing longitudinal clamshells are formed, and each clamshell includes a face having a generally planar major portion. Longitudinal grooves are formed in a clamshell, and an electrical conductor in a disposed in a groove. The faces are aligned to form an electrical passage including the electrical conductor in the groove and a spaced-apart fluid passage with another groove. The clamshells are welded together to form a shaft member such that the electrical passage and the fluid passage are fluid tight along a major longitudinal portion of the shaft. Electrodes are attached to the distal end of the shaft and are in electrical communication with the electrical conductor.Type: GrantFiled: October 3, 2013Date of Patent: May 10, 2016Assignee: MEDTRONIC ADVANCED ENERGY LLCInventors: Eliot F. Bloom, Lorenzo C. Vaccarella, Chad M. Greenlaw, Roger D. Greeley, Steven G. Miller
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Publication number: 20150351824Abstract: The present disclosure provides a system including a test fixture for an electrosurgical device. Embodiments of the test fixture may include a tissue carriage for mounting or loading a tissue sample thereon, a device mount for mounting a test device, a linear actuator for regulating a tissue incision or therapy speed and a force transducer for measuring a tissue incision or therapy force.Type: ApplicationFiled: June 5, 2014Publication date: December 10, 2015Applicant: Medtronic, Inc.Inventors: Roger D. Greeley, Brian M. Conley, Duane W. Marion
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Publication number: 20150320490Abstract: This invention provides an electrosurgical device comprising a handle, a shaft member distal to the handle, a first electrode tip and a second electrode tip at a distal end of the shaft member with the first electrode tip laterally spaced from the second electrode tip, and an electrode sheath movable to cover and uncover a side of the electrode tips while a distal end of the electrode tips is uncovered to treat tissue.Type: ApplicationFiled: May 29, 2015Publication date: November 12, 2015Inventors: Brian M. CONLEY, Roger D. GREELEY, Christopher W. MAURER, Anthony R. DePASQUA
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Publication number: 20150297284Abstract: Surgical devices, systems and methods for treating tissue are provided. Also provided are systems for treating tissue and methods of treating tissue. An exemplary surgical device comprises a handle (20a) having a proximal end and a distal end; a shaft extending distally beyond the distal end of the handle, the shaft having a proximal end and a distal end; an electrode tip (45), at least a portion of the electrode tip extending distally beyond the distal end of the shaft, the electrode tip extending distally beyond the distal end of the shaft comprising a spherical end surface portion (25) and a cylindrical side surface portion, the spherical end surface portion located distal to the cylindrical side surface portion and comprising at least a portion of the distal end surface of the surgical device; and a fluid passage directed to provide a fluid towards the cylindrical side portion of the electrode tip.Type: ApplicationFiled: June 4, 2015Publication date: October 22, 2015Inventors: Michael E. MCCLURKEN, David LIPSON, Arnold E. OYOLA, Jonathan E. WILSON, Christopher W. MAURER, Robert LUZZI, Roger D. GREELEY
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Patent number: 9138289Abstract: This invention provides an electrosurgical device comprising a handle, a shaft member distal to the handle, a first electrode tip and a second electrode tip at a distal end of the shaft member with the first electrode tip laterally spaced from the second electrode tip, and an electrode sheath movable to cover and uncover a side of the electrode tips while a distal end of the electrode tips is uncovered to treat tissue.Type: GrantFiled: June 28, 2010Date of Patent: September 22, 2015Assignee: MEDTRONIC ADVANCED ENERGY LLCInventors: Brian M. Conley, Roger D. Greeley, Christopher W. Maurer, Anthony R. DePasqua
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Publication number: 20150245864Abstract: Surgical devices, systems and methods for treating tissue are provided. Also provided are systems for treating tissue and methods of treating tissue. An exemplary surgical device comprises a handle (20a) having a proximal end and a distal end; a shaft extending distally beyond the distal end of the handle, the shaft having a proximal end and a distal end; an electrode tip (45), at least a portion of the electrode tip extending distally beyond the distal end of the shaft, the electrode tip extending distally beyond the distal end of the shaft comprising a spherical end surface portion (25) and a cylindrical side surface portion, the spherical end surface portion located distal to the cylindrical side surface portion and comprising at least a portion of the distal end surface of the surgical device; and a fluid passage directed to provide a fluid towards the cylindrical side portion of the electrode tip.Type: ApplicationFiled: November 10, 2014Publication date: September 3, 2015Inventors: Michael E. MCCLURKEN, David LIPSON, Arnold E. OYOLA, Jonathan E. WILSON, Christopher W. MAURER, Robert LUZZI, Roger D. GREELEY
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Publication number: 20150238256Abstract: The invention provides a cartridge assembly to couple a tissue treatment device with an electrosurgical unit, with the cartridge assembly operable with a power delivery apparatus and a fluid delivery apparatus of the electrosurgical unit. The invention also provides an electrosurgical unit comprising a power delivery apparatus and a fluid delivery apparatus operable with the cartridge assembly and a system thereof.Type: ApplicationFiled: April 17, 2015Publication date: August 27, 2015Applicant: MEDTRONIC ADVANCED ENERGY LLCInventors: Roger D. Greeley, Brian M. Conley, David J. Flanagan, Aaron J. Gifford, Steven G. Miller, Blaine T. Murakami, Thomas P. Robinson
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Publication number: 20150157386Abstract: A cartridge assembly to couple an electrosurgical device to treat tissue with an electro surgical unit includes a cartridge member to operate with a power delivery apparatus of the electro surgical unit and a fluid delivery apparatus of the electro surgical unit. An electrosurgical unit includes a power delivery apparatus and a fluid delivery apparatus arranged to operate with a cartridge member to be located in a cartridge receptacle of the electrosurgical unit. An electrosurgical device includes a first electrode spaced alongside the second electrode, with each electrode having a blade shaped member. Each blade shaped member has opposing sides bounded by edges, with the edges having a medial edge and a lateral edge. At least one fluid outlet is adjacent each blade shaped member, and each fluid outlet is in fluid communication with a fluid passage.Type: ApplicationFiled: January 9, 2015Publication date: June 11, 2015Inventors: Eliot F. BLOOM, Brian M. CONLEY, Jonathan J. BARRY, Roger D. GREELEY, Steven G. MILLER, Chad M. GREENLAW
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Patent number: 9050113Abstract: A cartridge assembly to couple an electrosurgical device to treat tissue with an electrosurgical unit includes a cartridge member to operate with a power delivery apparatus of the electrosurgical unit and a fluid delivery apparatus of the electrosurgical unit. An electrosurgical unit includes a power delivery apparatus and a fluid delivery apparatus arranged to operate with a cartridge member to be located in a cartridge receptacle of the electrosurgical unit. An electrosurgical device includes a first electrode spaced alongside the second electrode, with each electrode having a blade shaped member. Each blade shaped member has opposing sides bounded by edges, with the edges having a medial edge and a lateral edge. At least one fluid outlet is adjacent each blade shaped member, and each fluid outlet is in fluid communication with a fluid passage.Type: GrantFiled: January 14, 2011Date of Patent: June 9, 2015Assignee: MEDTRONIC ADVANCED ENERGY LLCInventors: Eliot F. Bloom, Brian M. Conley, Jonathan J. Barry, Roger D. Greeley, Steven G. Miller, Chad M. Greenlaw
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Patent number: 9011445Abstract: Rongeur and method for removing intervertebral disk tissue from a spinal column of a patient. A pair of bipolar electrodes on an elongated shaft is placed in proximity to the intervertebral disk tissue. Without withdrawing the instrument from the spinal column, the electrodes are activated with a source of RF energy to stiffen the intervertebral disk tissue, a source of saline solution is supplied to the intervertebral disk tissue and the intervertebral disk tissue is grasped with a grasping tool affixed in conjunction with the distal portion of the elongated shaft biting off a portion of the intervertebral disk tissue having been stiffened. The instrument is withdrawn from the spinal column of the patient to remove the portion of the intervertebral disk tissue. The inserting step, the placing, activating, supplying, grasping, and withdrawing steps are repeated until a desired portion of the intervertebral disk tissue has been removed.Type: GrantFiled: March 11, 2013Date of Patent: April 21, 2015Assignee: Medtronic Advanced Energy LLCInventor: Roger D. Greeley
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Patent number: 8920417Abstract: In some embodiments, an electrosurgical device includes a shaft, a first U-shaped electrode at a distal end of the shaft, and a second blade shaped electrode at the distal end of the shaft. The second electrode includes a spherical distal end. And the second electrode is substantially coplanar with the first electrode such that the first electrode surrounds a perimeter of the second electrode. The second electrode is spaced from the first electrode by an aperture. In some embodiments, an electrosurgical device includes a shaft, a first electrode at a distal end of the shaft defining an aperture and comprising a pointed tip, and a second electrode disposed at the distal end of the shaft that is substantially coplanar with the first electrode such that the first electrode surrounds a perimeter of the second electrode. The second electrode is spaced from the first electrode by the aperture.Type: GrantFiled: December 28, 2012Date of Patent: December 30, 2014Assignee: Medtronic Advanced Energy LLCInventors: Brian M. Conley, Jonathan J. Barry, Roger D. Greeley, Chad M. Greenlaw, Lorenzo C. Vaccarella, Joseph Sylvester
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Patent number: 8906012Abstract: The invention provides an electrosurgical device and methods of use thereof. In one embodiment, the device may comprise a handle, a shaft distal to the handle, a first electrode tip and a second electrode tip adjacent a distal end of the shaft, with the first electrode tip spaced from the second electrode tip and wherein the first electrode tip comprises a first U-shaped electrode and the second electrode tip comprises a second U-shaped electrode, and at least one fluid outlet. In another embodiment, the device may comprise a handle, a shaft distal to the handle, and a first electrode and a second electrode adjacent a distal end of the shaft with the first electrode coplanar with the second electrode and comprising a wire electrode having a U-shape which surrounds a perimeter of the second electrode and is spaced from the second electrode by an aperture.Type: GrantFiled: June 30, 2010Date of Patent: December 9, 2014Assignee: Medtronic Advanced Energy LLCInventors: Brian M. Conley, Jonathan J. Barry, Roger D. Greeley, Chad M. Greenlaw
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Patent number: 8882756Abstract: The invention provides a bipolar electrosurgical device to treat tissue in a presence of radio frequency energy and a fluid provided from the device. In one embodiment, the device comprises a first electrode and a second electrode at the end of a malleable shaft assembly to be hand shapeable by a user of the device, and at least one fluid outlet. The malleable shaft assembly comprises a first shaft and a second shaft, a length of the first shaft and a length of the second shaft in an outer member comprising a polymer, and at least a portion of the first shaft and at least a portion of the second shaft being malleable.Type: GrantFiled: December 24, 2008Date of Patent: November 11, 2014Assignee: Medtronic Advanced Energy LLCInventors: Roger D. Greeley, Steven G. Miller, Vaclav O. Podany, Brian M. Conley, Chad M. Greenlaw
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Publication number: 20140257301Abstract: Rongeur and method for removing intervertebral disk tissue from a spinal column of a patient. A pair of bipolar electrodes on an elongated shaft is placed in proximity to the intervertebral disk tissue. Without withdrawing the instrument from the spinal column, the electrodes are activated with a source of RF energy to stiffen the intervertebral disk tissue, a source of saline solution is supplied to the intervertebral disk tissue and the intervertebral disk tissue is grasped with a grasping tool affixed in conjunction with the distal portion of the elongated shaft biting off a portion of the intervertebral disk tissue having been stiffened. The instrument is withdrawn from the spinal column of the patient to remove the portion of the intervertebral disk tissue. The inserting step, the placing, activating, supplying, grasping, and withdrawing steps are repeated until a desired portion of the intervertebral disk tissue has been removed.Type: ApplicationFiled: March 11, 2013Publication date: September 11, 2014Applicant: Medtronic Advanced Energy LLCInventor: Roger D. Greeley