Patents by Inventor Jeffrey A. LaRose
Jeffrey A. LaRose 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: 11944804Abstract: Disclosed are systems, devices, and methods that employ a pump to assist or support blood flow. An apparatus for pumping blood may include a pump housing having an outer wall disposed about a longitudinal pump axis, and having an upstream end and a downstream end; a blood flow straightener having a plurality of fins and positioned in the upstream end of the pump housing and secured to the pump housing by the plurality of fins; a diffuser having a plurality of diffuser fins and positioned in the downstream end of the pump housing and secured to the pump housing by the plurality of diffuser fins; and an impeller positioned between the blood flow straightener and the diffuser, and including a plurality of impeller blades. The apparatus may further include a pump drive configured to impart a rotational motion to the impeller by applying a magnetic field.Type: GrantFiled: March 17, 2023Date of Patent: April 2, 2024Assignee: CARDIODYME, INC.Inventors: Gopal K. Chopra, William Graham, Bryan Lynch, Jeffrey A. LaRose
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Publication number: 20230218888Abstract: Disclosed are systems, devices, and methods that employ a pump to assist or support blood flow. An apparatus for pumping blood may include a pump housing having an outer wall disposed about a longitudinal pump axis, and having an upstream end and a downstream end; a blood flow straightener having a plurality of fins and positioned in the upstream end of the pump housing and secured to the pump housing by the plurality of fins; a diffuser having a plurality of diffuser fins and positioned in the downstream end of the pump housing and secured to the pump housing by the plurality of diffuser fins; and an impeller positioned between the blood flow straightener and the diffuser, and including a plurality of impeller blades. The apparatus may further include a pump drive configured to impart a rotational motion to the impeller by applying a magnetic field.Type: ApplicationFiled: March 17, 2023Publication date: July 13, 2023Inventors: Gopal K. CHOPRA, William GRAHAM, Bryan LYNCH, Jeffrey A. LaROSE
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Patent number: 11628294Abstract: Disclosed are systems, devices, and methods that employ a pump to assist or support blood flow. An apparatus for pumping blood may include a pump housing having an outer wall disposed about a longitudinal pump axis, and having an upstream end and a downstream end; a blood flow straightener having a plurality of fins and positioned in the upstream end of the pump housing and secured to the pump housing by the plurality of fins; a diffuser having a plurality of diffuser fins and positioned in the downstream end of the pump housing and secured to the pump housing by the plurality of diffuser fins; and an impeller positioned between the blood flow straightener and the diffuser, and including a plurality of impeller blades. The apparatus may further include a pump drive configured to impart a rotational motion to the impeller by applying a magnetic field.Type: GrantFiled: June 29, 2022Date of Patent: April 18, 2023Assignee: CARDIODYME, INC.Inventors: Gopal K. Chopra, William Graham, Bryan Lynch, Jeffrey A. LaRose
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Publication number: 20220331579Abstract: Disclosed are systems, devices, and methods that employ a pump to assist or support blood flow. An apparatus for pumping blood may include a pump housing having an outer wall disposed about a longitudinal pump axis, and having an upstream end and a downstream end; a blood flow straightener having a plurality of fins and positioned in the upstream end of the pump housing and secured to the pump housing by the plurality of fins; a diffuser having a plurality of diffuser fins and positioned in the downstream end of the pump housing and secured to the pump housing by the plurality of diffuser fins; and an impeller positioned between the blood flow straightener and the diffuser, and including a plurality of impeller blades. The apparatus may further include a pump drive configured to impart a rotational motion to the impeller by applying a magnetic field.Type: ApplicationFiled: June 29, 2022Publication date: October 20, 2022Inventors: Gopal K. CHOPRA, William GRAHAM, Bryan LYNCH, Jeffrey A. LaROSE
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Patent number: 11460030Abstract: A connection system for an implantable blood pump including a pump housing having an impeller disposed therein and a motor housing including a motor disposed therein, the motor housing spaced a distance from the pump housing. A flexible outer sheath couples the pump housing to the motor housing, the outer sheath defining a maximum total length between 7 and 10 centimeters. An inner shaft is coaxial with the outer sheath and couples the motor to the impeller.Type: GrantFiled: August 18, 2020Date of Patent: October 4, 2022Assignee: Heartware Inc.Inventors: Charles R. Shambaugh, Jeffrey A. LaRose, Mustafa E. Taskin
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Patent number: 11400276Abstract: Disclosed are systems, devices, and methods that employ a pump to assist or support blood flow. An apparatus for pumping blood may include a pump housing having an outer wall disposed about a longitudinal pump axis, and having an upstream end and a downstream end; a blood flow straightener having a plurality of fins and positioned in the upstream end of the pump housing and secured to the pump housing by the plurality of fins; a diffuser having a plurality of diffuser fins and positioned in the downstream end of the pump housing and secured to the pump housing by the plurality of diffuser fins; and an impeller positioned between the blood flow straightener and the diffuser, and including a plurality of impeller blades. The apparatus may further include a pump drive configured to impart a rotational motion to the impeller by applying a magnetic field.Type: GrantFiled: September 17, 2021Date of Patent: August 2, 2022Assignee: CardioDyme, Inc.Inventors: Gopal K. Chopra, William Graham, Bryan Lynch, Jeffrey A. LaRose
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Patent number: 11364374Abstract: An apparatus for protecting heart tissue from an implanted inlet element of a blood pump. The apparatus includes a flange member having a first radially constricted configuration and a second radially expanded configuration, the flange member being biased in its second radially expanded configuration. The flange member defines an opening there through sized to receiving the inlet element of the blood pump. A retaining element extending from the flange member is included, the retaining element being flexible and sized to be disposed about at least a portion of the inlet element.Type: GrantFiled: July 11, 2018Date of Patent: June 21, 2022Assignee: HeartWare, Inc.Inventors: Jeffrey A. Larose, Lance Lynn Andrus
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Patent number: 11305103Abstract: A housing having an interior and an exterior. A pump rotor is configured to be received within the interior of the housing, the pump rotor includes a magnet. A stator having a delivery configuration and an operative configuration is included, the stator in the delivery configuration has a delivery diameter, the stator in the operative configuration being configured to be disposed around the exterior of the housing and to form an assembled pump having a diameter greater than the delivery diameter.Type: GrantFiled: January 3, 2020Date of Patent: April 19, 2022Assignee: HeartWare, Inc.Inventors: Jeffrey A. Larose, Gill B. Bearnson, Stanley P. Mack, Charles R. Shambaugh
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Publication number: 20220088369Abstract: Disclosed are systems, devices, and methods that employ a pump to assist or support blood flow. An apparatus for pumping blood may include a pump housing having an outer wall disposed about a longitudinal pump axis, and having an upstream end and a downstream end; a blood flow straightener having a plurality of fins and positioned in the upstream end of the pump housing and secured to the pump housing by the plurality of fins; a diffuser having a plurality of diffuser fins and positioned in the downstream end of the pump housing and secured to the pump housing by the plurality of diffuser fins; and an impeller positioned between the blood flow straightener and the diffuser, and including a plurality of impeller blades. The apparatus may further include a pump drive configured to impart a rotational motion to the impeller by applying a magnetic field.Type: ApplicationFiled: September 17, 2021Publication date: March 24, 2022Inventors: Gopal K. CHOPRA, William Graham, Bryan Lynch, Jeffrey A. LaRose
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Publication number: 20210322755Abstract: A method of operating an implantable blood pump having a first stator, a second stator, and an impeller movably disposed there between. The method includes applying a first voltage waveform at first phase to the first stator to generate a magnetic field to rotate the impeller. A second voltage waveform is applied at a second phase shifted from the first phase to the second stator to rotate the impeller, the second voltage waveform is asymmetric to the first voltage waveform.Type: ApplicationFiled: June 24, 2021Publication date: October 21, 2021Inventors: Mark S. Egler, Fernando Casas, Carlos Reyes, Jeffrey A. LaRose
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Patent number: 11065434Abstract: A method of operating an implantable blood pump having a first stator, a second stator, and an impeller movably disposed there between. The method includes applying a first voltage waveform at first phase to the first stator to generate a magnetic field to rotate the impeller. A second voltage waveform is applied at a second phase shifted from the first phase to the second stator to rotate the impeller, the second voltage waveform is asymmetric to the first voltage waveform.Type: GrantFiled: November 26, 2018Date of Patent: July 20, 2021Assignee: HeartWare, Inc.Inventors: Mark S. Egler, Fernando Casas, Carlos Reyes, Jeffrey A. Larose
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Patent number: 11027113Abstract: A mechanical circulatory support device. The mechanical circulatory support device includes an inner casing defining a fluid flow path, the fluid flow path defines a longitudinal axis. A rotor is mounted within the fluid flow path and configured to rotate about the longitudinal axis. A housing is included, the inner casing and the rotor being substantially disposed within the housing. The housing having a cross-sectional shape in a plane transverse to the longitudinal axis which decreases in thickness extending from a medial position to opposite lateral positions.Type: GrantFiled: August 1, 2019Date of Patent: June 8, 2021Assignee: HeartWare, Inc.Inventors: Douglas Godshall, Mustafa Ertan Taskin, Jeffrey A. Larose, Nick Youker, Andre Simon
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Patent number: 10881773Abstract: The present disclosure relates to an improved transcutaneous energy transfer (TET) system that generates and wirelessly transmits a sufficient amount of energy to power one or more implanted devices, including a heart pump, while maintaining the system's efficiency, safety, and overall convenience of use. The disclosure further relates one or more methods of operation for the improved system.Type: GrantFiled: November 14, 2018Date of Patent: January 5, 2021Assignee: HeartWare, Inc.Inventors: John Rudser, Jeffrey A. LaRose, Ramiro Gomez
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Patent number: 10874780Abstract: In one embodiment of the present invention, an implantable blood pump includes a housing defining a flow path, a rotor positioned within the flow path, and a motor including a stator, positioned outside of said housing, the stator including a length of silver wire, wherein the silver wire is not positioned within a hermetically sealed compartment once the blood pump is ready for implantation into a patient in need thereof. The present invention may also include a method of implanting the implantable blood pump including the step of implanting the blood pump within the patient and within or adjacent to the vasculature.Type: GrantFiled: December 6, 2017Date of Patent: December 29, 2020Assignee: HeartWare, Inc.Inventor: Jeffrey A. Larose
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Publication number: 20200376180Abstract: A connection system for an implantable blood pump including a pump housing having an impeller disposed therein and a motor housing including a motor disposed therein, the motor housing spaced a distance from the pump housing. A flexible outer sheath couples the pump housing to the motor housing, the outer sheath defining a maximum total length between 7 and 10 centimeters. An inner shaft is coaxial with the outer sheath and couples the motor to the impeller.Type: ApplicationFiled: August 18, 2020Publication date: December 3, 2020Inventors: Charles R. Shambaugh, Jeffrey A. LaRose, Mustafa E. Taskin
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Patent number: 10780206Abstract: A connection system for an implantable blood pump including a pump housing having an impeller disposed therein and a motor housing including a motor disposed therein, the motor housing spaced a distance from the pump housing. A flexible outer sheath couples the pump housing to the motor housing, the outer sheath defining a maximum total length between 7 and 10 centimeters. An inner shaft is coaxial with the outer sheath and couples the motor to the impeller.Type: GrantFiled: August 14, 2017Date of Patent: September 22, 2020Assignee: HeartWare, Inc.Inventors: Charles R. Shambaugh, Jeffrey A. Larose, Mustafa E. Taskin
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Patent number: 10731652Abstract: A rotary blood pump includes a casing defining a pumping chamber. The pumping chamber has a blood inlet and a tangential blood outlet. One or more motor stators are provided outside of the pumping chamber. A rotatable impeller is within the pumping chamber and is adapted to cause blood entering the pumping chamber to move to the blood outlet. The impeller has one or more magnetic regions. The impeller is radially constrained in rotation by magnetic coupling to one or more motor stators and is axially constrained in rotation by one or more hydrodynamic thrust bearing surfaces on the impeller.Type: GrantFiled: August 29, 2017Date of Patent: August 4, 2020Assignee: HeartWare, Inc.Inventors: Jeffrey A. LaRose, Charles R. Shambaugh
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Publication number: 20200139030Abstract: A housing having an interior and an exterior. A pump rotor is configured to be received within the interior of the housing, the pump rotor includes a magnet. A stator having a delivery configuration and an operative configuration is included, the stator in the delivery configuration has a delivery diameter, the stator in the operative configuration being configured to be disposed around the exterior of the housing and to form an assembled pump having a diameter greater than the delivery diameter.Type: ApplicationFiled: January 3, 2020Publication date: May 7, 2020Inventors: Jeffrey A. LAROSE, Gill B. BEARNSON, Stanley P. MACK, Charles R. SHAMBAUGH
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Patent number: 10576191Abstract: An implantable blood pump including an inflow cannula, the inflow cannula having a malleable tube including an inflow portion, a steering assembly coupled to the inflow portion of the tube, an actuator coupled to the steering assembly for applying a force to the tube, and a cannula tip extending from the inflow portion of the tube and defining an aperture in fluid communication with the tube.Type: GrantFiled: October 19, 2017Date of Patent: March 3, 2020Assignee: HeartWare, Inc.Inventor: Jeffrey A. LaRose
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Patent number: 10568997Abstract: A connector for connecting an implant device to tissue of a person's body. The connector including a frame having first and second arms. The first and second arms define an opening, where at least a portion of the implant device is inserted through the opening. After insertion, an additional securing member is connected to the frame. The securing member is adapted to receive at least one suture to secure the frame to the tissue. The connector includes an adjuster that is movably connected to the first and second arms, where the adjuster is operable to cause the first and second arms to move toward each other and engage the implant device.Type: GrantFiled: August 2, 2017Date of Patent: February 25, 2020Assignee: HeartWare, Inc.Inventors: Daniel Tamez, Virote Indravudh, Richard A. Marquis, Charles R. Shambaugh, Jeffrey A. Larose