Patents by Inventor James W. Long
James W. Long 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: 11957379Abstract: In an aspect, a device includes a body structure including a core and a sleeve disposed around at least a portion of the core, the core defining a channel through the core extending from a first end of the core to a second end of the core, the sleeve including a flange adjacent the second end of the core; and a deployable portion coupled to the body structure adjacent the first end of the core, the deployable portion having a wired structure transitionable between a retained configuration and a deployed configuration, wherein a top portion of the wired structure extends beyond the first end of the core in a longitudinal direction when the wired structure is in the retained configuration, and wherein first end of the core extends beyond the top portion of the wired structure when the wired structure is in the deployed configuration.Type: GrantFiled: December 2, 2020Date of Patent: April 16, 2024Assignee: STAR BP, INC.Inventors: J. Ryan Stanfield, James W. Long, Michael A. Vladovich
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Patent number: 11589896Abstract: In an aspect, a device includes a body structure including a core and a sleeve disposed around at least a portion of the core, the core defining a channel through the core extending from a first end of the core to a second end of the core, the sleeve including a flange adjacent the second end of the core; and a deployable portion coupled to the body structure adjacent the first end of the core, the deployable portion having a wired structure transitionable between a retained configuration and a deployed configuration, wherein a top portion of the wired structure extends beyond the first end of the core in a longitudinal direction when the wired structure is in the retained configuration, and wherein first end of the core extends beyond the top portion of the wired structure when the wired structure is in the deployed configuration.Type: GrantFiled: December 2, 2020Date of Patent: February 28, 2023Assignee: VADovations, Inc.Inventors: J. Ryan Stanfield, James W. Long, Michael A. Vladovich
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Publication number: 20210113237Abstract: In an aspect, a device includes a body structure including a core and a sleeve disposed around at least a portion of the core, the core defining a channel through the core extending from a first end of the core to a second end of the core, the sleeve including a flange adjacent the second end of the core; and a deployable portion coupled to the body structure adjacent the first end of the core, the deployable portion having a wired structure transitionable between a retained configuration and a deployed configuration, wherein a top portion of the wired structure extends beyond the first end of the core in a longitudinal direction when the wired structure is in the retained configuration, and wherein first end of the core extends beyond the top portion of the wired structure when the wired structure is in the deployed configuration.Type: ApplicationFiled: December 2, 2020Publication date: April 22, 2021Inventors: J. Ryan Stanfield, James W. Long, Michael A. Vladovich
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Publication number: 20210077146Abstract: In an aspect, a device includes a body structure including a core and a sleeve disposed around at least a portion of the core, the core defining a channel through the core extending from a first end of the core to a second end of the core, the sleeve including a flange adjacent the second end of the core; and a deployable portion coupled to the body structure adjacent the first end of the core, the deployable portion having a wired structure transitionable between a retained configuration and a deployed configuration, wherein a top portion of the wired structure extends beyond the first end of the core in a longitudinal direction when the wired structure is in the retained configuration, and wherein first end of the core extends beyond the top portion of the wired structure when the wired structure is in the deployed configuration.Type: ApplicationFiled: December 2, 2020Publication date: March 18, 2021Inventors: J. Ryan Stanfield, James W. Long, Michael A. Vladovich
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Patent number: 10881430Abstract: In an aspect, a device includes a body structure including a core and a sleeve disposed around at least a portion of the core, the core defining a channel through the core extending from a first end of the core to a second end of the core, the sleeve including a flange adjacent the second end of the core; and a deployable portion coupled to the body structure adjacent the first end of the core, the deployable portion having a wired structure transitionable between a retained configuration and a deployed configuration, wherein a top portion of the wired structure extends beyond the first end of the core in a longitudinal direction when the wired structure is in the retained configuration, and wherein first end of the core extends beyond the top portion of the wired structure when the wired structure is in the deployed configuration.Type: GrantFiled: April 10, 2019Date of Patent: January 5, 2021Assignee: VADovations, Inc.Inventors: J. Ryan Stanfield, James W. Long, Michael A. Vladovich
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Patent number: 10456167Abstract: A coring tool and a dilator for defining an aperture in a tissue is presented. The system is preferably configured for generating an aperture within a ventricular wall for a method of implantation of ventricular assist devices (VAD's). The insertion tool/system includes a conduit device including a detachable dilator-coring tool and cuff which secures within a defined aperture in the tissue.Type: GrantFiled: January 31, 2017Date of Patent: October 29, 2019Assignee: VADOVATIONS, INC.Inventors: J. Ryan Stanfield, James W. Long
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Publication number: 20190314058Abstract: In an aspect, a device includes a body structure including a core and a sleeve disposed around at least a portion of the core, the core defining a channel through the core extending from a first end of the core to a second end of the core, the sleeve including a flange adjacent the second end of the core; and a deployable portion coupled to the body structure adjacent the first end of the core, the deployable portion having a wired structure transitionable between a retained configuration and a deployed configuration, wherein a top portion of the wired structure extends beyond the first end of the core in a longitudinal direction when the wired structure is in the retained configuration, and wherein first end of the core extends beyond the top portion of the wired structure when the wired structure is in the deployed configuration.Type: ApplicationFiled: April 10, 2019Publication date: October 17, 2019Inventors: J. Ryan Stanfield, James W. Long, Michael A. Vladovich
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Publication number: 20170202575Abstract: A coring tool and a dilator for defining an aperture in a tissue is presented. The system is preferably configured for generating an aperture within a ventricular wall for a method of implantation of ventricular assist devices (VAD's). The insertion tool/system includes a conduit device including a detachable dilator-coring tool and cuff which secures within a defined aperture in the tissue.Type: ApplicationFiled: January 31, 2017Publication date: July 20, 2017Applicant: VADOVATIONS, INC.Inventors: J. Ryan Stanfield, James W. Long
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Publication number: 20140314597Abstract: A pump for pumping sensitive fluids, such as blood, has no mechanical contact between the impeller and any other structure.Type: ApplicationFiled: July 1, 2014Publication date: October 23, 2014Inventors: Paul E. Allaire, Gill B. Bearnson, Ron Flack, Don B. Olsen, James W. Long, Ajit B. Kumar, Pratap S. Khanwilkar, Jeffrey Decker, Michael Baloh
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Patent number: 8382830Abstract: There are disclosed apparatus and methods for replacing a percutaneous cable in connection with a vascular device. In an embodiment, the apparatus includes a distal disconnect coupler, a distal connector portion of the cable configured for removable connection with the distal disconnect coupler, and a connector cap configured for removable connection with the distal disconnect coupler and for tunneling through skin and tissue. In one embodiment, a method of repositioning a percutaneous cable in connection with a vascular device includes providing the cable with a distal disconnect coupler, disconnecting the cable at the distal disconnect coupler, attaching a connector cap to the distal disconnect coupler, removing the percutaneous cable from a first exit site, tunneling the connector cap together with the distal disconnect coupler through skin and tissue to form a new exit site, disconnecting the connector cap, and connecting the cable to the distal disconnect coupler.Type: GrantFiled: June 6, 2008Date of Patent: February 26, 2013Assignee: World Heart CorporationInventors: Tim Maher, Jim Lee, Ron Ness, Herb Chen, Jesse Hubbard, Phillip J. Miller, John Barr, James W. Long, Karl Nelson
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Publication number: 20100256440Abstract: There are disclosed apparatus and methods for replacing a percutaneous cable in connection with a vascular device. In an embodiment, the apparatus includes a distal disconnect coupler, a distal connector portion of the cable configured for removable connection with the distal disconnect coupler, and a connector cap configured for removable connection with the distal disconnect coupler and for tunneling through skin and tissue. In one embodiment, a method of repositioning a percutaneous cable in connection with a vascular device includes providing the cable with a distal disconnect coupler, disconnecting the cable at the distal disconnect coupler, attaching a connector cap to the distal disconnect coupler, removing the percutaneous cable from a first exit site, tunneling the connector cap together with the distal disconnect coupler through skin and tissue to form a new exit site, disconnecting the connector cap, and connecting the cable to the distal disconnect coupler.Type: ApplicationFiled: June 6, 2008Publication date: October 7, 2010Applicant: WORLDHEART, INC.Inventors: Tim Maher, Jim Lee, Ron Ness, Herb Chen, Jesse Hubbard, Phillip J. Miller, John Barr, James W. Long, Karl Nelson
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Patent number: 7462019Abstract: A pump for pumping sensitive fluids, such as blood, having no mechanical contact between the impeller and any other structure. The pump comprises a pump housing, an impeller disposed within the pump housing, a magnetic bearing system for supporting and stabilizing the impeller in five degrees of freedom, and a conformally shaped magnetically linked motor for rotating the impeller. The magnetic bearing system and motor advantageously comprise electromagnets and permanent magnets for stability and control of the impeller, and to reduce size, weight, and pump power consumption. Permanent and electromagnets are disposed on the pump housing and permanent magnets are disposed on the impeller such that by controlling electric current through the electromagnets on the housing, the magnetically suspended impeller functions as the rotor, and the housing as the stator of a D.C. motor.Type: GrantFiled: April 22, 1999Date of Patent: December 9, 2008Inventors: Paul E. Allarie, Gill B. Bearnson, Ron Flack, Pratap S. Khanwilkar, B. Ajit Kumar, James W. Long, Jr., Don B. Olsen, Jeffrey Decker, Michael Baloh
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Publication number: 20080240947Abstract: A pump for pumping sensitive fluids, such as blood, has no mechanical contact between the impeller and any other structure.Type: ApplicationFiled: October 26, 2007Publication date: October 2, 2008Applicant: WORLD HEART, INC.Inventors: Paul E. Allaire, Gill B. Bearnson, Ronald D. Flack, Donald B. Olsen, James W. Long, Ajit Kumar B. Nair, Pratap S. Khanwilkar, Jeffrey Decker, Michael J. Baloh
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Patent number: 6595762Abstract: An apparatus and method for a centrifugal fluid pump for pumping sensitive biological fluids, which includes (i) an integral impeller and rotor which is entirely supported by an integral combination of permanent magnets and electromagnetic bearings and rotated by an integral motor, (ii) a pump housing and arcuate passages for fluid flow and containment, (iii) a brushless driving motor embedded and integral with the pump housing, (iv) a power supply, and (v) specific electronic sensing of impeller position, velocity or acceleration using a self-sensing method and physiological control algorithm for motor speed and pump performance based upon input from the electromagnetic bearing currents and motor back emf—all fitly joined together to provide efficient, durable and low maintenance pump operation. A specially designed impeller and pump housing provide the mechanism for transport and delivery of fluid through the pump to a pump output port with reduced fluid turbulence.Type: GrantFiled: October 1, 2001Date of Patent: July 22, 2003Assignees: MedQuest products, Inc., University of Virginia Patent FoundationInventors: Pratap S. Khanwilkar, Paul E. Allaire, Gill B. Bearnson, Don B. Olsen, Eric H. Maslen, James W. Long
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Publication number: 20020094281Abstract: An apparatus and method for a centrifugal fluid pump for pumping sensitive biological fluids, which includes (i) an integral impeller and rotor which is entirely supported by an integral combination of permanent magnets and electromagnetic bearings and rotated by an integral motor, (ii) a pump housing and arcuate passages for fluid flow and containment, (iii) a brushless driving motor embedded and integral with the pump housing, (iv) a power supply, and (v) specific electronic sensing of impeller position, velocity or acceleration using a self-sensing method and physiological control algorithm for motor speed and pump performance based upon input from the electromagnetic bearing currents and motor back emf—all fitly joined together to provide efficient, durable and low maintenance pump operation. A specially designed impeller and pump housing provide the mechanism for transport and delivery of fluid through the pump to a pump output port with reduced fluid turbulence.Type: ApplicationFiled: October 1, 2001Publication date: July 18, 2002Inventors: Pratap S. Khanwilkar, Paul E. Allaire, Gill B. Bearnson, Don B. Olsen, Eric H. Maslen, James W. Long
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Patent number: 6394769Abstract: An inventive blood pump in accordance with this invention includes a housing that has inlet and outlet ports for receiving and discharging blood. A rotor is positioned in the housing's interior for pumping blood between the housing's inlet and outlet ports, with the rotor being capable of motion in three translational and three rotational axes. An assembly for magnetically suspending and rotating the rotor in a contact-free manner with respect to the housing includes only one electromagnetic bearing that actively controls motion of the rotor with respect to one axis selected from the rotor's three translational and three rotational axes, an electromagnetic motor that actively drives motion of the rotor with respect to one of its three rotational axes, and magnetic bearings for passively controlling motion of the rotor with respect to the remaining four of its translational and rotational axes. The inventive blood pump can also be incorporated into an artificial heart.Type: GrantFiled: June 23, 2000Date of Patent: May 28, 2002Assignees: Medquest Products, Inc., University of Virginia Patent FoundationInventors: Gill B. Bearnson, Pratap S. Khanwilkar, James W. Long, Jed C. Ludlow, Brad E. Paden, Chen Chen, Dave B. Paden, Don B. Olsen, James Antaki, Paul E. Allaire, Michael Baloh
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Patent number: 6302661Abstract: An apparatus and method for a centrifugal pump for pumping sensitive biological fluids which includes (i) an integral impeller and rotor which is electromagnetically supported and rotated, (ii) a pump housing and arcuate passages for fluid flow and containment, (iii) a brushless driving motor embedded and integral with the pump housing, (iv) a power supply, and (v) specific electronic sensing and control algorithms—all fitly joined together to provide efficient, durable and low maintenance pump operation. A specially designed impeller and pump housing provide the mechanism for transport and delivery of fluid through the pump to a pump output port with reduced fluid turbulence.Type: GrantFiled: December 10, 1999Date of Patent: October 16, 2001Inventors: Pratap S. Khanwilkar, Paul E. Allaire, Gill Brent Bearnson, Don B. Olsen, Eric H. Maslen, James W. Long
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Patent number: 6074180Abstract: An apparatus and method for a centrifugal fluid pump for pumping sensitive biological fluids, which includes (i) an integral impeller and rotor which is entirely supported by an integral combination of permanent magnets and electromagnetic bearings and rotated by an integral motor, (ii) a pump housing and arcuate passages for fluid flow and containment, (iii) a brushless driving motor embedded and integral with the pump housing, (iv) a power supply, and (v) specific electronic sensing of impeller position, velocity or acceleration using a self-sensing method and physiological control algorithm for motor speed and pump performance based upon input from the electromagnetic bearing currents and motor back emf--all fitly joined together to provide efficient, durable and low maintenance pump operation. A specially designed impeller and pump housing provide the mechanism for transport and delivery of fluid through the pump to a pump output port with reduced fluid turbulence.Type: GrantFiled: May 2, 1997Date of Patent: June 13, 2000Assignees: Medquest Products, Inc., University of Utah Research Foundation, University of Virginia Patent FoundationInventors: Pratap S. Khanwilkar, Paul E. Allaire, Gill Brent Bearnson, Don B. Olsen, Eric H. Maslen, James W. Long
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Patent number: 5282849Abstract: A ventricle assist device for placement within a living body and including a self contained drive motor for generating pumping action with respect to a hydraulic pumping fluid. The ventricle assist device includes a ventricle having a blood chamber and a pumping chamber and an interconnect means coupled to the pumping chamber of the ventricle for receiving and displacing hydraulic fluid. A separate volume displacement chamber is attached to the interconnect means and provides a reservoir for excess hydraulic fluid for storage during diastole. A fluid pump and drive motor is positioned within the volume displacement chamber and connected at the interconnect means to supply the required pumping action for transfer of hydraulic fluid to and from the pumping chamber. Placement of the fluid pump and drive motor within the volume displacement chamber provides enhanced dissipation of heat from the energy conversion system and improved performance and durability.Type: GrantFiled: December 19, 1991Date of Patent: February 1, 1994Assignee: University of Utah Research FoundationInventors: Willem J. Kolff, Yvo M. Smulders, Paul D. Diegel, James W. Long, Jr., Donald B. Olsen, John W. Holfert