Patents by Inventor Joseph A. Kronstedt
Joseph A. Kronstedt 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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Publication number: 20240024660Abstract: Devices and methods for assisting blood flow are provided. The device includes a housing with an inlet and an outlet, and a fluid barrier separating the housing into a first section containing the inlet and outlet, and a second section. The device also includes an impeller shaft coupled to an impeller and a first magnet in the first section of the housing, and a drive shaft coupled to a second magnet in the second section of the housing. The first and second magnets are arranged such that rotation of the drive shaft rotates the second magnet causing rotation of the first magnet, which drives the impeller.Type: ApplicationFiled: October 4, 2023Publication date: January 25, 2024Inventors: Brian Hanson, Steven R. Larsen, Benjamin Breidall, Joseph A. Kronstedt, Paul F. Chouinard
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Patent number: 11813443Abstract: Devices and methods for assisting blood flow are provided. The device includes a housing with an inlet and an outlet, and a fluid barrier separating the housing into a first section containing the inlet and outlet, and a second section. The device also includes an impeller shaft coupled to an impeller and a first magnet in the first section of the housing, and a drive shaft coupled to a second magnet in the second section of the housing. The first and second magnets are arranged such that rotation of the drive shaft rotates the second magnet causing rotation of the first magnet, which drives the impeller.Type: GrantFiled: March 7, 2019Date of Patent: November 14, 2023Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Brian J. Hanson, Steven R. Larsen, Benjamin Breidall, Joseph A. Kronstedt, Paul F. Chouinard
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Patent number: 11752323Abstract: Various aspects of the present disclosure are directed toward apparatuses, systems, and methods that may include a magnetic drive system of a blood pump. The magnetic drive system may include a drive shaft coupled to an impeller, a driven magnet assembly coupled to at least one of the drive shaft and the impeller, and a driving coil assembly configured to drive the driven magnet assembly.Type: GrantFiled: December 29, 2020Date of Patent: September 12, 2023Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Nathan Edwards, Benjamin Breidall, Joseph A. Kronstedt
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Publication number: 20230216371Abstract: An axial flux motor includes a housing; a drive shaft disposed within the housing; at least one rotor; and at least one stator. The at least one rotor includes a diametrically-magnetized single pole pair magnetic ring having a rotor aperture defined through the center of the magnetic ring, where the drive shaft extends through the rotor aperture and where the at least one rotor is fixed to the drive shaft. The at least one stator includes a number of conductive windings and a stator aperture, where the drive shaft extends through the stator aperture and where the drive shaft is rotatable within the aperture. The at least one stator is configured to generate an axial magnetic field that causes the at least one rotor to rotate, thereby rotating the drive shaft.Type: ApplicationFiled: March 14, 2023Publication date: July 6, 2023Inventors: Kalyna L. Sconzert, Joseph A. Kronstedt, Benjamin Breidall, Kimberly A. Robertson
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Patent number: 11666748Abstract: A seal assembly is configured to seal a portion of a blood pump from the blood. The seal assembly includes a first seal; and a second seal. The second seal includes a lower contact-pressure seal than the first seal.Type: GrantFiled: August 27, 2020Date of Patent: June 6, 2023Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Joseph A. Kronstedt, Umang Anand
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Publication number: 20230158290Abstract: A blood pump includes an impeller; a drive shaft coupled to the impeller and configured to rotate with the impeller; a motor configured to drive the impeller; and a bearing assembly disposed adjacent the motor and configured to receive an end of the drive shaft. The bearing assembly includes a bearing, where the end of the drive shaft is at least partially rounded, and the where the bearing includes a concave depression defined in a first side of the bearing, where the depression is configured to receive the end of the drive shaft. The bearing assembly may include a lubricant chamber configured to hold a lubricant.Type: ApplicationFiled: January 11, 2023Publication date: May 25, 2023Inventors: Laszlo T. Farago, Daniel H. VanCamp, Benjamin Breidall, Joseph A. Kronstedt
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Patent number: 11632015Abstract: An axial flux motor includes a housing; a drive shaft disposed within the housing; at least one rotor; and at least one stator. The at least one rotor includes a diametrically-magnetized single pole pair magnetic ring having a rotor aperture defined through the center of the magnetic ring, where the drive shaft extends through the rotor aperture and where the at least one rotor is fixed to the drive shaft. The at least one stator includes a number of conductive windings and a stator aperture, where the drive shaft extends through the stator aperture and where the drive shaft is rotatable within the aperture. The at least one stator is configured to generate an axial magnetic field that causes the at least one rotor to rotate, thereby rotating the drive shaft.Type: GrantFiled: August 27, 2019Date of Patent: April 18, 2023Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Kalyna L. Sconzert, Joseph A. Kronstedt, Benjamin Breidall, Kimberly A. Robertson
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Patent number: 11565103Abstract: A blood pump includes an impeller; a drive shaft coupled to the impeller and configured to rotate with the impeller; a motor configured to drive the impeller; and a bearing assembly disposed adjacent the motor and configured to receive an end of the drive shaft. The bearing assembly includes a bearing, where the end of the drive shaft is at least partially rounded, and the where the bearing includes a concave depression defined in a first side of the bearing, where the depression is configured to receive the end of the drive shaft. The bearing assembly may include a lubricant chamber configured to hold a lubricant.Type: GrantFiled: October 18, 2019Date of Patent: January 31, 2023Assignee: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Laszlo T. Farago, Daniel H. VanCamp, Benjamin Breidall, Joseph A. Kronstedt
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Publication number: 20210220637Abstract: Various aspects of the present disclosure are directed toward apparatuses, systems, and methods that may include a magnetic drive system of a blood pump. The magnetic drive system may include a drive shaft coupled to an impeller, a driven magnet assembly coupled to at least one of the drive shaft and the impeller, and a driving coil assembly configured to drive the driven magnet assembly.Type: ApplicationFiled: December 29, 2020Publication date: July 22, 2021Inventors: Nathan Edwards, Benjamin Breidall, Joseph A. Kronstedt
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Publication number: 20210060224Abstract: A seal assembly is configured to seal a portion of a blood pump from the blood. The seal assembly includes a first seal; and a second seal. The second seal includes a lower contact-pressure seal than the first seal.Type: ApplicationFiled: August 27, 2020Publication date: March 4, 2021Inventors: Joseph A. Kronstedt, Umang Anand
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Publication number: 20200121835Abstract: A blood pump includes an impeller; a drive shaft coupled to the impeller and configured to rotate with the impeller; a motor configured to drive the impeller; and a bearing assembly disposed adjacent the motor and configured to receive an end of the drive shaft. The bearing assembly includes a bearing, where the end of the drive shaft is at least partially rounded, and the where the bearing includes a concave depression defined in a first side of the bearing, where the depression is configured to receive the end of the drive shaft. The bearing assembly may include a lubricant chamber configured to hold a lubricant.Type: ApplicationFiled: October 18, 2019Publication date: April 23, 2020Inventors: Laszlo T. Farago, Daniel H. Vancamp, Benjamin Breidall, Joseph A. Kronstedt
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Publication number: 20200076271Abstract: An axial flux motor includes a housing; a drive shaft disposed within the housing; at least one rotor; and at least one stator. The at least one rotor includes a diametrically-magnetized single pole pair magnetic ring having a rotor aperture defined through the center of the magnetic ring, where the drive shaft extends through the rotor aperture and where the at least one rotor is fixed to the drive shaft. The at least one stator includes a number of conductive windings and a stator aperture, where the drive shaft extends through the stator aperture and where the drive shaft is rotatable within the aperture. The at least one stator is configured to generate an axial magnetic field that causes the at least one rotor to rotate, thereby rotating the drive shaft.Type: ApplicationFiled: August 27, 2019Publication date: March 5, 2020Inventors: Kalyna L. Sconzert, Joseph A. Kronstedt, Benjamin Breidall, Kimberly A. Robertson
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Publication number: 20190275224Abstract: Devices and methods for assisting blood flow are provided. The device includes a housing with an inlet and an outlet, and a fluid barrier separating the housing into a first section containing the inlet and outlet, and a second section. The device also includes an impeller shaft coupled to an impeller and a first magnet in the first section of the housing, and a drive shaft coupled to a second magnet in the second section of the housing. The first and second magnets are arranged such that rotation of the drive shaft rotates the second magnet causing rotation of the first magnet, which drives the impeller.Type: ApplicationFiled: March 7, 2019Publication date: September 12, 2019Inventors: Brian J. Hanson, Steven R. Larsen, Benjamin Breidall, Joseph A. Kronstedt, Paul F. Chouinard