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).

  • Patent number: 11096696
    Abstract: 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: Grant
    Filed: January 11, 2019
    Date of Patent: August 24, 2021
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Steven R. Larsen, Daniel H. VanCamp, David John Onushko, Lindsay Marie Godin
  • Publication number: 20210169491
    Abstract: 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: Application
    Filed: February 11, 2021
    Publication date: June 10, 2021
    Applicant: 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
  • Patent number: 10952741
    Abstract: 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: Grant
    Filed: December 18, 2018
    Date of Patent: March 23, 2021
    Assignee: 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
  • Publication number: 20200306434
    Abstract: 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: Application
    Filed: March 20, 2020
    Publication date: October 1, 2020
    Inventors: Daniel H. VanCamp, Kimberly A. Robertson, Steven R. Larsen
  • Publication number: 20200187975
    Abstract: 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: Application
    Filed: February 27, 2020
    Publication date: June 18, 2020
    Applicant: 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
  • Patent number: 10603067
    Abstract: 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: Grant
    Filed: July 28, 2017
    Date of Patent: March 31, 2020
    Assignee: 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
  • Publication number: 20190374229
    Abstract: 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: Application
    Filed: June 7, 2019
    Publication date: December 12, 2019
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: James M. Anderson, David John Onushko, Joshua Mark Inouye, Steven R. Larsen, Daniel H. VanCamp, John M. Edgell
  • Publication number: 20190357916
    Abstract: 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: Application
    Filed: May 23, 2019
    Publication date: November 28, 2019
    Applicant: 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
  • Publication number: 20190275224
    Abstract: 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: Application
    Filed: March 7, 2019
    Publication date: September 12, 2019
    Inventors: Brian J. Hanson, Steven R. Larsen, Benjamin Breidall, Joseph A. Kronstedt, Paul F. Chouinard
  • Publication number: 20190216468
    Abstract: 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: Application
    Filed: January 11, 2019
    Publication date: July 18, 2019
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Steven R. Larsen, Daniel H. VanCamp, David John Onushko, Lindsay Marie Godin
  • Publication number: 20190183509
    Abstract: 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: Application
    Filed: December 18, 2018
    Publication date: June 20, 2019
    Applicant: 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
  • Publication number: 20190083075
    Abstract: 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.
    Type: Application
    Filed: September 20, 2018
    Publication date: March 21, 2019
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: David John Onushko, Jose A. Meregotte, Steven R. Larsen
  • Publication number: 20180277021
    Abstract: 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: Application
    Filed: March 22, 2018
    Publication date: September 27, 2018
    Inventors: Steven R. Larsen, Daniel H. VanCamp, Kai Wang, Steve L. Erickson, Ronson L. Ronson, Buffi Jo Langley, David J. Holtan, Joseph W. Tushar, Robbie Halvorson
  • Publication number: 20180235543
    Abstract: Pressure sensing guidewires and methods for making and using pressure sensing guidewires are disclosed. An example pressure sensing guidewire may include a tubular member having a proximal region and a housing region. A pressure sensor may be disposed within the housing region. A signal transmitting member may be coupled to the pressure sensor and extending proximally therefrom. A hydrophilic coating may be disposed along an inner surface of the housing region.
    Type: Application
    Filed: February 17, 2018
    Publication date: August 23, 2018
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: DANIEL H. VANCAMP, JOSE A. MEREGOTTE, STEVEN R. LARSEN, GREGORY LEE, BRIAN CORNWELL
  • Publication number: 20180028220
    Abstract: 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: Application
    Filed: July 28, 2017
    Publication date: February 1, 2018
    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
  • Patent number: 9820662
    Abstract: Catheter systems and methods for determining blood flow rates based on light reflection measurements. The catheter may include a lumen extending between a proximal end of the catheter and a distal end of the catheter. The catheter may include fluid infusion openings at the distal end region of the catheter that are configured to permit the indicator fluid to exit the catheter from the lumen. The catheter system may include an optical fiber having one or more sensors thereon for sensing light reflected by blood particles in a body vessel lumen. A blood flow rate may be determined based on the sensed light reflected by blood particles in the body vessel lumen.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: November 21, 2017
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Jan Weber, James M. Anderson, Aiden Flanagan, Eric M. Petersen, Steven R. Larsen
  • Patent number: 9486611
    Abstract: Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a guide extension catheter. The guide extension catheter may include an elongate tubular member having a proximal region, a distal region, and a slot formed in the tubular member between the proximal region and the distal region. The proximal region of the tubular member may be configured to shift between a first configuration and a collapsed configuration. The guide extension catheter may also include an elongate shaft for shifting the proximal region between the first configuration and the collapsed configuration.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: November 8, 2016
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Eric M. Petersen, Steven R. Larsen, Wayne Falk, Joel M. Wasdyke, Huisun Wang
  • Patent number: 9408951
    Abstract: Nanoparticles can be embedded into a medical device by accelerating them to a speed of between 100 m/s and 1,000 m/s and embedding the particles into a polymer surface of a medical device or a precursor thereof. In some cases, the nanoparticles can be embedded until the nanoparticles accumulate in sufficient number to adhere together to form a coating over the polymer surface. The nanoparticles can provide a conductive pathway, an abrasion resistant surface, a pro-healing surface, and/or an anti-bacterial surface.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: August 9, 2016
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Steven R. Larsen, Eric Petersen, Scott R. Schewe
  • Patent number: 9289594
    Abstract: Medical devices may include an electrode that has been processed to increase its surface area. In some cases, an electrode may be processed using an ultrafast laser to produce an electrode surface that includes macrostructures formed within the electrode surface and nanostructures formed on the macrostructures. The nanostructures may be formed of material that was removed from the electrode surface in forming the macrostructures.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: March 22, 2016
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Eric M. Petersen, Steven R. Larsen
  • Publication number: 20150366608
    Abstract: A medical device for sympathetic nerve ablation may include an elongate shaft and an expandable member. A printed ablation electrode assembly may be disposed on an outer surface of the expandable member, the printed ablation electrode assembly including a positive electrical pathway and a ground electrical pathway printed directly on the outer surface of the expandable member. A temperature sensor may be printed directly on the outer surface of the expandable member. A method of manufacturing a medical device for sympathetic nerve ablation may include printing a conductive ink network directly on a surface of a polymeric balloon material in a flat configuration, printing at least one temperature sensor directly on the surface of the polymeric balloon material, forming the polymeric balloon material into an inflatable balloon, and attaching the inflatable balloon to an elongate catheter shaft.
    Type: Application
    Filed: June 19, 2015
    Publication date: December 24, 2015
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: JAN WEBER, JEFFREY S. LINDQUIST, STEVEN R. LARSEN, ERIC M. PETERSEN, MARTIN R. WILLARD