Patents by Inventor Steven R. Larsen
Steven R. Larsen 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: 11925356Abstract: An example medical device for occluding the left atrial appendage includes an expandable member having a first end region, a second end region and an inflation cavity. The medical device also includes a plurality of spine members coupled to the expandable member, the plurality of spine members spaced circumferentially around an outer surface of the expandable member. Additionally, the medical device includes a valve member extending at least partially into the inflation cavity, wherein the plurality of spine members are configured to position the medical device within an opening of the left atrial appendage and wherein the expandable member is configured to expand and seal the opening of the left atrial appendage.Type: GrantFiled: February 11, 2021Date of Patent: March 12, 2024Assignee: Boston Scientific Scimed, Inc.Inventors: James M. Anderson, John M. Edgell, Jose A. Meregotte, Steven R. Larsen, David Raab, Peter John Hoffman, David John Onushko
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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: 11779367Abstract: Polypectomy devices and methods for making and using polypectomy devices are disclosed. An example polypectomy device may include an elongate sheath having a proximal end region and a distal end region. A shaft may be slidably disposed within the sheath. A handle may be coupled to the proximal end region of the sheath. The handle may be designed to axially shift the shaft relative to the sheath. A snare may be coupled to the shaft. The snare may include a first region, a traction region, and a distal tip region. The first region may have a non-circular cross-sectional shape. The traction region may include a plurality of traction members. At a position between two adjacent traction members the snare may have a reduced cross-sectional area relative to the first region. The distal tip region may have a circular cross-sectional shape.Type: GrantFiled: February 27, 2020Date of Patent: October 10, 2023Assignee: Boston Scientific Scimed, Inc.Inventors: Paul Smith, Samuel Raybin, Kevin J. McElwee, Brian Gaffney, Naroun Soun, Ismail Guler, Brian J. Hanson, Elias A. Khoury, Steven R. Larsen, Daniel H. VanCamp, Wade R. Strelow, Ryan Wales, Robert B. DeVries, Peter J. Shank
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Patent number: 11672541Abstract: An example occlusive implant is disclosed. The example occlusive implant includes an expandable framework configured to shift between a first configuration and a second expanded configuration, an occlusive member disposed along at least a portion of an outer surface of the expandable framework and a resilient member coupled to the occlusive member. Further, the resilient member is configured to keep the occlusive member taut against an outer surface of the expandable member in both the first configuration and the second configuration.Type: GrantFiled: June 7, 2019Date of Patent: June 13, 2023Assignee: Boston Scientific Scimed, Inc.Inventors: James M. Anderson, David John Onushko, Joshua Mark Inouye, Steven R. Larsen, Daniel H. VanCamp, John M. Edgell
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Publication number: 20230149692Abstract: A percutaneous circulatory support device includes a housing having an inlet and an outlet. A shaft is rotatably fixed relative to the housing. An impeller is disposed within the housing and is rotatably supported by the shaft. The impeller is configured to rotate relative to the shaft and the housing to cause blood to flow into the inlet, through the housing, and out of the outlet. A keeper is coupled to the shaft distally relative to the impeller, and the keeper inhibits axial motion of the impeller relative to the shaft.Type: ApplicationFiled: November 16, 2022Publication date: May 18, 2023Inventors: Steven R. Larsen, Daniel H. VanCamp
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Publication number: 20230149691Abstract: A percutaneous circulatory support device includes an impeller housing having an inlet and an outlet. A shaft is rotatably fixed relative to the impeller housing. An impeller is configured to rotate relative to the shaft and the impeller housing to cause blood to flow into the inlet, through the impeller housing, and out of the outlet.Type: ApplicationFiled: November 16, 2022Publication date: May 18, 2023Inventors: Daniel H. VanCamp, Steven R. Larsen, Jeffrey Lucas
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Publication number: 20230063798Abstract: Various aspects of the present disclosure are directed towards apparatuses, systems, and methods that system for delivering a blood pump. The system may include a blood pump that may include one or more impellers configured to cause blood to flow through the pump. The system may also include one or more guidewires. The guidewires may include one or more proximal sections and one or more distal sections, and the distal sections may have first dimensions and the proximal sections may have second dimensions, and the first dimensions may be greater than the second dimensions. The guidewires may also be tapered, geometrically shaped, have a curved profile, a combination thereof, or other configurations.Type: ApplicationFiled: August 23, 2022Publication date: March 2, 2023Inventors: Nathan Edwards, Steven R. Larsen
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Publication number: 20220313270Abstract: An example medical device for occluding the left atrial appendage is disclosed. The example medical device for occluding the left atrial appendage includes an expandable member having a first end region and a second end region. The expandable member comprises at least one inflation cavity and at least one valve member configured to selectively seal the inflation cavity. A first inflation media may be disposed within the at least one inflation cavity and a second inflation media may be disposed within the at least one inflation cavity. The second inflation media may be different from the first inflation media. The expandable member may be configured to expand and seal the opening of the left atrial appendage.Type: ApplicationFiled: June 2, 2022Publication date: October 6, 2022Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Joshua Mark Inouye, David John Onushko, James M. Anderson, Jose A. Meregotte, David Raab, Steven R. Larsen, John M. Edgell, Nicholas Lee Tassoni
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Publication number: 20220249829Abstract: Various aspects of the present disclosure are directed towards apparatuses, systems, and methods that may include a blood pump. The blood pump may include a magnetic field source and an impeller assembly. The impeller assembly includes an impeller and a driven magnet. The driven magnet is longitudinally offset and distally disposed relative to the magnetic field source, and the driven magnet is rotatable and longitudinally controlled by the magnetic field source. The driven magnet includes a distal side, the distal side faces the impeller. The blood pump further includes a bearing assembly near the distal side of the driven magnet.Type: ApplicationFiled: February 10, 2022Publication date: August 11, 2022Applicant: Boston Scientific Scimed Inc.Inventors: Nathan Edwards, Steven R. Larsen, Travis J. Schauer, Jeffrey Lucas, Lloyd Radman, Sam Murthy
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Patent number: 11288980Abstract: An anatomical model simulator system includes an anatomical model assembly. The anatomical model assembly includes an anatomical model shell having a plurality of apertures defined therein; and a plurality of electrodes. Each electrode of the plurality of electrodes is disposed within one of the plurality of apertures, and each electrode includes at least one of carbon black and silver epoxy. The anatomical model simulator system also includes a model control system. The model control system includes a power supply configured to deliver electrical energy to the plurality of electrodes; and a controller configured to control the delivery of the electrical energy to the plurality of electrodes.Type: GrantFiled: March 22, 2018Date of Patent: March 29, 2022Assignee: Boston Scientific Scimed, Inc.Inventors: Steven R. Larsen, Daniel H. VanCamp, Kai Wang, Steve L. Erickson, Ronson L. Yong, Buffi Jo Langley, David J. Holtan, Joseph W. Tushar, Robbie Halvorson
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Patent number: 11096696Abstract: An example occlusive implant is disclosed. The example occlusive implant includes an expandable framework configured to shift between a collapsed configuration and an expanded configuration, an occlusive member disposed along at least a portion of the expandable framework and a sealing member disposed along the occlusive member, wherein the occlusive member includes at least a first cellular tissue growth pathway.Type: GrantFiled: January 11, 2019Date of Patent: August 24, 2021Assignee: Boston Scientific Scimed, Inc.Inventors: Steven R. Larsen, Daniel H. VanCamp, David John Onushko, Lindsay Marie Godin
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Publication number: 20210169491Abstract: An example medical device for occluding the left atrial appendage is disclosed. The example medical device for occluding the left atrial appendage includes an expandable member having a first end region, a second end region and an inflation cavity. The medical device also includes a plurality of spine members coupled to the expandable member, the plurality of spine members spaced circumferentially around an outer surface of the expandable member. Additionally, the medical device includes a valve member extending at least partially into the inflation cavity, wherein the plurality of spine members are configured to position the medical device within an opening of the left atrial appendage and wherein the expandable member is configured to expand and seal the opening of the left atrial appendage.Type: ApplicationFiled: February 11, 2021Publication date: June 10, 2021Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: James M. Anderson, John M. Edgell, Jose A. Meregotte, Steven R. Larsen, David Raab, Peter John Hoffman, David John Onushko
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Patent number: 10952741Abstract: An example medical device for occluding the left atrial appendage includes an expandable member having a first end region, a second end region and an inflation cavity. The medical device also includes a plurality of spine members coupled to the expandable member, the plurality of spine members spaced circumferentially around an outer surface of the expandable member. Additionally, the medical device includes a valve member extending at least partially into the inflation cavity, wherein the plurality of spine members are configured to position the medical device within an opening of the left atrial appendage and wherein the expandable member is configured to expand and seal the opening of the left atrial appendage.Type: GrantFiled: December 18, 2018Date of Patent: March 23, 2021Assignee: Boston Scientific Scimed, Inc.Inventors: James M. Anderson, John M. Edgell, Jose A. Meregotte, Steven R. Larsen, David Raab, Peter John Hoffman, David John Onushko
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Publication number: 20200306434Abstract: A blood pump includes an impeller; a drive shaft coupled to the impeller and configured to rotate with the impeller; and a rotor coupled to the drive shaft and configured to rotate with the drive shaft. The rotor includes a driven magnet having an outer surface. A corrosion-resistant coating may be disposed on the outer surface of the driven magnet. A stator is disposed adjacent the rotor and configured to drive the rotor, causing the rotor to rotate; and a motor is configured to drive the stator. A protection assembly may be disposed adjacent the stator and configured to receive an end of the drive shaft, and may include a protection assembly housing enclosing a protective fluid chamber, the protective fluid chamber including the driven magnet and at least a portion of a bearing configured to engage the end of the drive shaft.Type: ApplicationFiled: March 20, 2020Publication date: October 1, 2020Inventors: Daniel H. VanCamp, Kimberly A. Robertson, Steven R. Larsen
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Publication number: 20200187975Abstract: Polypectomy devices and methods for making and using polypectomy devices are disclosed. An example polypectomy device may include an elongate sheath having a proximal end region and a distal end region. A shaft may be slidably disposed within the sheath. A handle may be coupled to the proximal end region of the sheath. The handle may be designed to axially shift the shaft relative to the sheath. A snare may be coupled to the shaft. The snare may include a first region, a traction region, and a distal tip region. The first region may have a non-circular cross-sectional shape. The traction region may include a plurality of traction members. At a position between two adjacent traction members the snare may have a reduced cross-sectional area relative to the first region. The distal tip region may have a circular cross-sectional shape.Type: ApplicationFiled: February 27, 2020Publication date: June 18, 2020Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: PAUL SMITH, SAMUEL RAYBIN, KEVIN J. McELWEE, BRIAN GAFFNEY, NAROUN SOUN, ISMAIL GULER, BRIAN J. HANSON, ELIAS A. KHOURY, STEVEN R. LARSEN, DANIEL H. VanCAMP, WADE R. STRELOW, RYAN WALES, ROBERT B. DeVRIES, PETER J. SHANK
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Patent number: 10603067Abstract: Polypectomy devices and methods for making and using polypectomy devices are disclosed. An example polypectomy device may include an elongate sheath having a proximal end region and a distal end region. A shaft may be slidably disposed within the sheath. A handle may be coupled to the proximal end region of the sheath. The handle may be designed to axially shift the shaft relative to the sheath. A snare may be coupled to the shaft. The snare may include a first region, a traction region, and a distal tip region. The first region may have a non-circular cross-sectional shape. The traction region may include a plurality of traction members. At a position between two adjacent traction members the snare may have a reduced cross-sectional area relative to the first region. The distal tip region may have a circular cross-sectional shape.Type: GrantFiled: July 28, 2017Date of Patent: March 31, 2020Assignee: Boston Scientific Scimed, Inc.Inventors: Paul Smith, Samuel Raybin, Kevin J. McElwee, Brian Gaffney, Naroun Soun, Ismail Guler, Brian J. Hanson, Elias A. Khoury, Steven R. Larsen, Daniel H. VanCamp, Wade R. Strelow, Ryan Wales, Robert B. DeVries, Peter J. Shank
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Publication number: 20190374229Abstract: An example occlusive implant is disclosed. The example occlusive implant includes an expandable framework configured to shift between a first configuration and a second expanded configuration, an occlusive member disposed along at least a portion of an outer surface of the expandable framework and a resilient member coupled to the occlusive member. Further, the resilient member is configured to keep the occlusive member taut against an outer surface of the expandable member in both the first configuration and the second configuration.Type: ApplicationFiled: June 7, 2019Publication date: December 12, 2019Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: James M. Anderson, David John Onushko, Joshua Mark Inouye, Steven R. Larsen, Daniel H. VanCamp, John M. Edgell
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Publication number: 20190357916Abstract: An example medical device for occluding the left atrial appendage is disclosed. The example medical device for occluding the left atrial appendage includes an expandable member having a first end region and a second end region. The expandable member comprises at least one inflation cavity and at least one valve member configured to selectively seal the inflation cavity. A first inflation media may be disposed within the at least one inflation cavity and a second inflation media may be disposed within the at least one inflation cavity. The second inflation media may be different from the first inflation media. The expandable member may be configured to expand and seal the opening of the left atrial appendage.Type: ApplicationFiled: May 23, 2019Publication date: November 28, 2019Applicant: BOSTON SCIENTIFIC SCIMED, INC.Inventors: Joshua Mark Inouye, David John Onushko, James M. Anderson, Jose A. Meregotte, David Raab, Steven R. Larsen, John M. Edgell, Nicholas Lee Tassoni
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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