Patents by Inventor Robert W. Pike
Robert W. Pike 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: 11934289Abstract: A graph-based data multi-operation system includes a data multi-operation management subsystem coupled to an application and accelerator subsystems. The data multi-operation management subsystem receives a data multi-operation graph from the application that identifies first data and defines operations for performance on the first data to transform the first data into second data. The data multi-operation management subsystem assigns each of the operations to at least one of the accelerator systems, and configures the accelerator subsystems to perform the operations in a sequence that transforms the first data into the second data, When the data multi-operation management subsystem determine a completion status for the performance of the operations by the accelerator subsystems, it transmits a completion status communication to the application that indicates the completion status of the performance of the plurality of operations by the plurality of accelerator subsystems.Type: GrantFiled: October 24, 2022Date of Patent: March 19, 2024Assignee: Dell Products L.P.Inventors: Gaurav Chawla, Mark Steven Sanders, William Price Dawkins, Jimmy D. Pike, Elie Jreij, Robert W. Hormuth
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Patent number: 10987163Abstract: An ablation catheter is equipped with an irrigated tip electrode that can stimulate tissue in, e.g., a renal artery to help identify the location of a renal nerve. High-frequency stimulation of the renal nerve causes a decrease in the blood pressure of the patient thereby indicating that a renal nerve is nearby. The ablation catheter is used to ablate the renal nerve using radiofrequency, ultrasound, microwave energy or cryogenic cooling. Irrigation from the irrigated tip electrode may be used to decrease damage to cells in the wall of the lumen of the renal artery other than the renal nerve, such as the endothelial cells. In order to treat atrial fibrillation an ablation catheter would be used to isolate one or more pulmonary veins.Type: GrantFiled: July 6, 2018Date of Patent: April 27, 2021Assignee: BIOSENSE WEBSTER (ISRAEL) LTD.Inventor: Robert W. Pike, Jr.
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Publication number: 20180310991Abstract: A method for the treatment of a patient for the purpose of lowering blood pressure and/or treating cardiac arrhythmias, particularly atrial fibrillation includes the insertion of an ablation catheter into the lumen of a renal artery. The ablation catheter is equipped with an electrode that can stimulate the wall tissue in the renal artery to help identify the location of a renal nerve. High-frequency stimulation of the renal nerve causes a decrease in the blood pressure of the patient thereby indicating that a renal nerve is nearby. The ablation catheter is used to ablate the renal nerve using radiofrequency, ultrasound, microwave energy or cryogenic cooling. An irrigated ablation catheter may be used to decrease damage to cells in the wall of the lumen of the renal artery other than the renal nerve, such as the endothelial cells.Type: ApplicationFiled: July 6, 2018Publication date: November 1, 2018Inventor: Robert W. PIKE, JR.
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Patent number: 10016233Abstract: A method for the treatment of a patient for the purpose of lowering blood pressure and/or treating cardiac arrhythmias, particularly atrial fibrillation includes the insertion of an ablation catheter into the lumen of a renal artery. The ablation catheter is equipped with an electrode that can stimulate the wall tissue in the renal artery to help identify the location of a renal nerve. High-frequency stimulation of the renal nerve causes a decrease in the blood pressure of the patient thereby indicating that a renal nerve is nearby. The ablation catheter is used to ablate the renal nerve using radiofrequency, ultrasound, microwave energy or cryogenic cooling. An irrigated ablation catheter may be used to decrease damage to cells in the wall of the lumen of the renal artery other than the renal nerve, such as the endothelial cells.Type: GrantFiled: November 28, 2011Date of Patent: July 10, 2018Assignee: BIOSENSE WEBSTER (ISRAEL) LTD.Inventor: Robert W. Pike, Jr.
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Patent number: 9717555Abstract: A catheter includes an elongated body, a distal assembly with a shape-memory member defining a generally helical form, and a control handle. The control handle may be adapted to actuate a deflection puller wire for deflecting a portion of the elongated body and a contraction wire for contracting the generally helical form. The generally helical form carries irrigated ablation ring electrodes. A nitinol support member with shape memory extends through the distal assembly and into the elongated body to provide the helical form. The support member may have a varying stiffness along its length, for example, a decreasing stiffness toward a distal end of the support member. The support member can also be hollow so that it can receive a mandrel whose stiffness is greater than that of the support member.Type: GrantFiled: March 14, 2013Date of Patent: August 1, 2017Assignee: BIOSENSE WEBSTER (ISRAEL), LTD.Inventors: Tina Chan, Tom A. Ditter, Kristine Fuimaono, Debby Grunewald, Eduardo Jimenez, Robert W. Pike, Michael O. Zirkle
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Patent number: 9326813Abstract: A method for ablating tissue in or around the heart to create an enhanced lesion is provided. The distal end of a catheter including a needle electrode at its distal end is introduced into the heart. The distal end of the needle electrode is introduced into the tissue. An electrically-conductive fluid is infused through the needle electrode and into the tissue. The tissue is ablated after and/or during introduction of the fluid into the tissue. The fluid conducts ablation energy within the tissue to create a larger lesion than would be created without the introduction of the fluid.Type: GrantFiled: April 24, 2007Date of Patent: May 3, 2016Assignees: Biosense Webster, Inc., The Brigham & Women's Hospital, Inc.Inventors: Robert W. Pike, Jr., John L. Sapp, Jr., William G. Stevenson, Robert A. Mest
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Publication number: 20130304062Abstract: A catheter includes an elongated body, a distal assembly with a shape-memory member defining a generally helical form, and a control handle. The control handle may be adapted to actuate a deflection puller wire for deflecting a portion of the elongated body and a contraction wire for contracting the generally helical form. The generally helical form carries irrigated ablation ring electrodes. A nitinol support member with shape memory extends through the distal assembly and into the elongated body to provide the helical form. The support member may have a varying stiffness along its length, for example, a decreasing stiffness toward a distal end of the support member. The support member can also be hollow so that it can receive a mandrel whose stiffness is greater than that of the support member.Type: ApplicationFiled: March 14, 2013Publication date: November 14, 2013Applicant: BIOSENSE WEBSTER (IRAEL), LTD.Inventors: Tina Chan, Tom A. Ditter, Kristine Fuimaono, Debby Grunewald, Eduardo Jimenez, Robert W. Pike, Michael O. Zirkle
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Patent number: 8324136Abstract: A drilling fluid lubricant and method for drilling using same comprising a blend of beads having varying densities such that the beads provide lubricity at both the top and bottom portions of a horizontal drill string during horizontal, directional, or expanded extended reach drilling.Type: GrantFiled: January 6, 2011Date of Patent: December 4, 2012Assignee: Grinding & Sizing Company LLCInventors: Gregory A. Ruark, Robert W. Pike
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Publication number: 20120143097Abstract: A method for the treatment of a patient for the purpose of lowering blood pressure and/or treating cardiac arrhythmias, particularly atrial fibrillation includes the insertion of an ablation catheter into the lumen of a renal artery. The ablation catheter is equipped with an electrode that can stimulate the wall tissue in the renal artery to help identify the location of a renal nerve. High-frequency stimulation of the renal nerve causes a decrease in the blood pressure of the patient thereby indicating that a renal nerve is nearby. The ablation catheter is used to ablate the renal nerve using radiofrequency, ultrasound, microwave energy or cryogenic cooling. An irrigated ablation catheter may be used to decrease damage to cells in the wall of the lumen of the renal artery other than the renal nerve, such as the endothelial cells.Type: ApplicationFiled: November 28, 2011Publication date: June 7, 2012Inventor: Robert W. Pike, JR.
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Publication number: 20090069808Abstract: A method for ablating tissue in or around the heart to create an enhanced lesion is provided. The distal end of a catheter including a needle electrode at its distal end is introduced into the heart. The distal end of the needle electrode is introduced into the tissue. An electrically-conductive fluid is infused through the needle electrode and into the tissue. The tissue is ablated after and/or during introduction of the fluid into the tissue. The fluid conducts ablation energy within the tissue to create a larger lesion than would be created without the introduction of the fluid.Type: ApplicationFiled: April 24, 2007Publication date: March 12, 2009Inventors: Robert W. Pike, JR., John L. Sapp, JR., William G. Stevenson, Robert A. Mest
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Patent number: 7485602Abstract: Environmentally acceptable or regulatory compliant oil-based drilling fluids and methods of using same in drilling a wellbore in a subterranean formation are disclosed. The fluids are able to meet environmental regulations while maintaining acceptable oil mud rheology and overall oil mud performance. The fluids are comprised of an invert emulsion. The base or continuous phase of the emulsion is comprised of esters blended with isomerized olefins, and/or other hydrocarbons, such as paraffins, mineral oils or glyceride triesters or combinations thereof. Alternatively, the emulsion has as a base comprising isomerized olefins blended with other hydrocarbons such as linear alpha olefins, paraffins or naphthenes.Type: GrantFiled: January 21, 2004Date of Patent: February 3, 2009Assignee: Halliburton Energy Services, Inc.Inventors: Jeff Kirsner, Kenneth W. Pober, Robert W. Pike
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Patent number: 7410486Abstract: A circumferential ablation catheter is provided, which is particularly useful for treating atrial arrhythmia by ablating a substantial portion of a circumferential region of tissue in a tubular region of or near the heart of a patient. The catheter comprises an elongated tubular catheter body having an outer wall, proximal and distal ends, and at least one lumen extending therethrough. An ablation assembly is mounted at the distal end of the catheter body. The ablation assembly comprises a circumferential ablation element mounted on the distal end of the catheter body, and an inflatable balloon provided in surrounding relation to the circumferential ablation element. The inflatable balloon is adjustable between a radially collapsed position and a radially expanded position. The catheter further comprises a stabilization assembly mounted on the catheter distal to the ablation assembly.Type: GrantFiled: December 29, 2004Date of Patent: August 12, 2008Assignee: Biosense Webster, Inc.Inventors: Kristine B. Fuimaono, Robert W. Pike, Jr.
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Patent number: 7207989Abstract: A method for ablating tissue in or around the heart to create an enhanced lesion is provided. The distal end of a catheter including a needle electrode at its distal end is introduced into the heart. The distal end of the needle electrode is introduced into the tissue. An electrically-conductive fluid is infused through the needle electrode and into the tissue. The tissue is ablated after and/or during introduction of the fluid into the tissue. The fluid conducts ablation energy within the tissue to create a larger lesion than would be created without the introduction of the fluid.Type: GrantFiled: October 27, 2003Date of Patent: April 24, 2007Assignees: Biosense Webster, Inc., The Brigham & Women's Hospital, Inc.Inventors: Robert W. Pike, Jr., John L. Sapp, Jr., William G. Stevenson, Robert A. Mest
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Patent number: 6866662Abstract: A circumferential ablation catheter is provided, which is particularly useful for treating atrial arrhythmia by ablating a substantial portion of a circumferential region of tissue in a tubular region of or near the heart of a patient. The catheter comprises an elongated tubular catheter body having an outer wall, proximal and distal ends, and at least one lumen extending therethrough. An ablation assembly is mounted at the distal end of the catheter body. The ablation assembly comprises a circumferential ablation element mounted on the distal end of the catheter body, and an inflatable balloon provided in surrounding relation to the circumferential ablation element. The inflatable balloon is adjustable between a radially collapsed position and a radially expanded position. The catheter further comprises a stabilization assembly mounted on the catheter distal to the ablation assembly.Type: GrantFiled: July 23, 2002Date of Patent: March 15, 2005Assignee: Biosense Webster, Inc.Inventors: Kristine B Fuimaono, Robert W. Pike, Jr.
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Publication number: 20040152603Abstract: Environmentally acceptable or regulatory compliant oil-based drilling fluids and methods of using same in drilling a wellbore in a subterranean formation are disclosed. The fluids are able to meet environmental regulations while maintaining acceptable oil mud rheology and overall oil mud performance. The fluids are comprised of an invert emulsion. The base or continuous phase of the emulsion is comprised of esters blended with isomerized olefins, and/or other hydrocarbons, such as paraffins, mineral oils or glyceride triesters or combinations thereof. Alternatively, the emulsion has as a base comprising isomerized olefins blended with other hydrocarbons such as linear alpha olefins, paraffins or naphthenes.Type: ApplicationFiled: January 21, 2004Publication date: August 5, 2004Inventors: Jeff Kirsner, Kenneth W. Pober, Robert W. Pike
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Publication number: 20040019349Abstract: A circumferential ablation catheter is provided, which is particularly useful for treating atrial arrhythmia by ablating a substantial portion of a circumferential region of tissue in a tubular region of or near the heart of a patient. The catheter comprises an elongated tubular catheter body having an outer wall, proximal and distal ends, and at least one lumen extending therethrough. An ablation assembly is mounted at the distal end of the catheter body. The ablation assembly comprises a circumferential ablation element mounted on the distal end of the catheter body, and an inflatable balloon provided in surrounding relation to the circumferential ablation element. The inflatable balloon is adjustable between a radially collapsed position and a radially expanded position. The catheter further comprises a stabilization assembly mounted on the catheter distal to the ablation assembly.Type: ApplicationFiled: July 23, 2002Publication date: January 29, 2004Inventors: Kristine B. Fuimaono, Robert W. Pike
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Publication number: 20030036484Abstract: Environmentally acceptable or regulatory compliant oil-based drilling fluids and methods of using same in drilling a wellbore in a subterranean formation are disclosed. The fluids are able to meet environmental regulations while maintaining acceptable oil mud rheology and overall oil mud performance. The fluids are comprised of an invert emulsion. The base or continuous phase of the emulsion is comprised of esters blended with isomerized olefins, and/or other hydrocarbons, such as paraffins, mineral oils or glyceride triesters or combinations thereof. Alternatively, the emulsion has as a base comprising isomerized olefins blended with other hydrocarbons such as linear alpha olefins, paraffins or naphthenes.Type: ApplicationFiled: August 14, 2001Publication date: February 20, 2003Inventors: Jeff Kirsner, Kenneth W. Pober, Robert W. Pike
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Patent number: 5928182Abstract: A cerebrospinal fluid (CSF) shunt valve includes a valve housing and a substantially flat stabilizing member that has a width substantially greater than that of the valve housing. The shunt valve is adapted for surgical implantation under the scalp of a patient to drain excess CSF from the brain. The stabilizing member rests on the skull of a patient and the stabilizing member is effective to prevent rotation of the shunt valve about a longitudinal axis thereof. The shunt valve includes a pressure adjustment mechanism disposed within the housing, for adjusting a threshold pressure at which fluid may flow through the shunt valve.Type: GrantFiled: July 2, 1997Date of Patent: July 27, 1999Assignee: Johnson & Johnson Professional, Inc.Inventors: Robert G. Kraus, Bhupendra C. Patel, Robert W. Pike
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Patent number: 4605406Abstract: A method of fabricating prosthesis material having a conduit configuration.Type: GrantFiled: August 3, 1984Date of Patent: August 12, 1986Assignee: Medtronic, Inc.Inventors: Patrick T. Cahalan, Carolann M. Holmblad, Robert W. Pike, Jr., Eileen L. Schultz
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Patent number: 4383252Abstract: Intravenous monitor for monitoring drip rate being delivered to a patient from an intravenous solution container and visually displaying the drip rate on a digital readout of the monitor. The monitor includes an alarm for signaling deviations from predetermined adjustable maximum and minimum drip rates. The intravenous monitor includes a photocell reader sensor which positions around a drip chamber below the intravenous container and a horizontal support which maintains vertical orientation of the drip chamber.Type: GrantFiled: November 24, 1980Date of Patent: May 10, 1983Inventors: Harold F. Purcell, William E. Lattanzi, Robert W. Pike