Patents by Inventor Cass A. Hanson

Cass A. Hanson 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: 10952790
    Abstract: Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a catheter shaft. An expandable balloon may be coupled to the catheter shaft. The balloon may be capable of shifting between a folded configuration and an expanded configuration. A plurality of elongate electrode assemblies may be disposed on the balloon. A cover layer may be deposited on the electrode assemblies. Portions of the electrode assemblies may be free of the cover layer.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: March 23, 2021
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Patrick A. Haverkost, Mary M. Byron, Cass A. Hanson, Martin R. Willard, Derek C. Sutermeister, Robert N. Squire, Brian K. Jablonski
  • Publication number: 20200305973
    Abstract: A balloon for renal nerve modulation is disclosed. The balloon may include a polymer material forming a balloon wall having an outer surface and flexible circuits comprising a base selectively adhered to the exterior surface of the balloon wall. Adhesive is selectively applied to the outer surface of the balloon, to the flexible circuit or to both such that the adhesive is selectively deposited on the at least a portion of the at least two pads or on the at least a portion of the at least two pads and to a portion of the distal spline. The portion of the at least two pads or the portion of the at least two pads and a portion of the distal spline are adhered to the outer surface of the balloon and a remainder of the flexible circuit moves freely with respect to the outer surface of the balloon.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 1, 2020
    Inventors: AJAY GUPTA, JEFFREY S. LINDQUIST, PAUL J. MILLER, CASS A. HANSON, DANIEL T. QUILLIN, HONG CAO, KENNETH R. LARSON
  • Publication number: 20200237493
    Abstract: The present disclosure relates generally to the field of medical devices. In particular, the present disclosure relates to medical devices, systems, and methods for tightening, fastening, or anchoring in tissue. In one example, a system for tightening, fastening, or anchoring in tissue, may comprise a spring coil having a distal end, a stressed configuration, and an unstressed configuration; and a restraining tube having a lumen extending along a length of the tube. The spring coil may be removably receivable within the lumen to restrain the spring coil in the stressed configuration. Other embodiments are contemplated.
    Type: Application
    Filed: January 24, 2020
    Publication date: July 30, 2020
    Inventors: Ajay Gupta, Cass A. Hanson
  • Patent number: 10722300
    Abstract: A balloon for renal nerve modulation is disclosed. The balloon may include a polymer material forming a balloon wall having an outer surface and flexible circuits comprising a base selectively adhered to the exterior surface of the balloon wall. Adhesive is selectively applied to the outer surface of the balloon, to the flexible circuit or to both such that the adhesive is selectively deposited on the at least a portion of the at least two pads or on the at least a portion of the at least two pads and to a portion of the distal spline. The portion of the at least two pads or the portion of the at least two pads and a portion of the distal spline are adhered to the outer surface of the balloon and a remainder of the flexible circuit moves freely with respect to the outer surface of the balloon.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: July 28, 2020
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Ajay Gupta, Jeffrey S. Lindquist, Paul J. Miller, Cass A. Hanson, Daniel T. Quillin, Hong Cao, Kenneth R. Larson
  • Patent number: 10575855
    Abstract: Medical devices and methods for forming the medical devices are disclosed in the present application. In one illustrative example an occlusion balloon comprises an outer balloon member, and an inner balloon member having an inner wall and an outer wall and extending through at least a portion of the outer balloon member. In at least some examples, when forces acting on the inner wall of the inner balloon member equal forces acting on the outer wall of the inner balloon member, the inner balloon member defines a lumen.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: March 3, 2020
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Cass A. Hanson, Joseph M. Connolly, Katherine Routh, Jaydeep Y. Kokate, Gary J. Pederson, Derek C. Sutermeister, Michele C. Tessmer, Jeffrey S. Lindquist, Robert N. Squire, Steven L. Kangas, David Raab, Joel Munsinger, Derek K. Larson, Martin R. Willard
  • Publication number: 20200054342
    Abstract: In some aspects, the present disclosure provides a delivery device for delivering a detachable medical implant that comprises an elongated delivery member and a first engagement portion. The first engagement portion comprises a first proximal-facing surface, a first distal-facing surface, and a first lumen that is configured to accommodate an activation wire, wherein at least 50% of a surface area of the first proximal-facing surface is angled away from a proximal end of the first engagement portion. In other aspects, the present disclosure provides a medical delivery system comprising: such a delivery device; an implantable device comprising a medical device portion and a second engagement portion, the second engagement portion comprising a second lumen configured to accommodate an activation wire, a second proximal-facing surface and a second distal-facing surface; and an activation wire. Other aspects pertain to methods of medical device delivery using such a medical delivery system.
    Type: Application
    Filed: October 24, 2019
    Publication date: February 20, 2020
    Inventors: James Anderson, David Raab, Derek Sutermeister, Cass Hanson, Timothy Ostroot
  • Publication number: 20200023159
    Abstract: A guide catheter may include a tubular member having an inner layer defining a lumen extending therethrough, a reinforcing braid disposed about the inner layer, a plurality of steering wires interwoven through the reinforcing braid, and an outer layer disposed about the reinforcing braid. At least a portion of the reinforcing braid may be embedded within the outer layer. An introducer sleeve may be slidably disposed over the tubular member. A flush port element may be operably connected to the introducer sleeve.
    Type: Application
    Filed: September 30, 2019
    Publication date: January 23, 2020
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: DEREK C. SUTERMEISTER, JAMES M. ANDERSON, TIMOTHY A. OSTROOT, CASS A. HANSON, ANTHONY F. TASSONI, JR., TIMOTHY L. RUBESCH, JAN WEBER
  • Patent number: 10426920
    Abstract: A guide catheter may include a tubular member having an inner layer defining a lumen extending therethrough, a reinforcing braid disposed about the inner layer, a plurality of steering wires interwoven through the reinforcing braid, and an outer layer disposed about the reinforcing braid. At least a portion of the reinforcing braid may be embedded within the outer layer. An introducer sleeve may be slidably disposed over the tubular member. A flush port element may be operably connected to the introducer sleeve.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: October 1, 2019
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Derek C. Sutermeister, James M. Anderson, Timothy A. Ostroot, Cass A. Hanson, Anthony F. Tassoni, Jr., Timothy L. Rubesch, Jan Weber
  • Patent number: 10342609
    Abstract: Medical devices and methods for making and using the same are disclosed. An example medical device may include a medical device for tissue ablation. The medical device may include an elongated shaft having a distal region. An inflatable balloon may be mounted to the distal region. The inflatable balloon may include a body region, a proximal waist, a distal waist, a proximal cone region, and a distal cone region. A skirt may be attached to the inflatable balloon and may extend proximally from the body region. An electrode assembly may be applied directly to an outer surface of the body region of the inflatable balloon. The electrode assembly may include a first conductive member applied directly to the outer surface of the body region of the inflatable balloon and extending proximally therefrom along an outer surface of the skirt.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: July 9, 2019
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Cass A. Hanson, Derek C. Sutermeister, Daniel T. Quillin, Hong Cao, Jeffrey S. Lindquist, Adam J. Royer, Timothy A. Ostroot, James M. Anderson, Jan Weber, Robert N. Squire, Martin R. Willard, Patrick A. Haverkost, Daniel J. Horn
  • Patent number: 10321946
    Abstract: The disclosure pertains to an intravascular catheter, comprising an elongate member having a proximal end and a distal end, a balloon having an interior surface, an exterior surface, a lumen defined by the interior surface and a cylindrical wall extending between the interior surface and the exterior surface, the cylindrical wall having a proximal end and a distal end, the balloon having a plurality of weeping windows disposed in the wall and able to pass an electric current between the interior surface and the exterior surface and wherein the balloon wall is otherwise electrically insulative, and an electrode disposed in the balloon. The intravascular system is suited for modulation of renal nerves, for example.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: June 18, 2019
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Daniel J. Horn, Cass A. Hanson, Derek C. Sutermeister, Timothy A. Ostroot, Daniel T. Quillin
  • Publication number: 20190167460
    Abstract: Systems for the delivery of endoluminal devices are disclosed. An illustrative system may include a delivery sheath having an inner sheath and an outer sheath. The delivery sheath may be configured to restrain a stent in a compressed delivery configuration. The outer sheath may cover the entire length of the stent and the inner sheath may cover a portion of the length of the stent.
    Type: Application
    Filed: February 7, 2019
    Publication date: June 6, 2019
    Applicant: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: JAN WEBER, JAMES M. ANDERSON, TIMOTHY A. OSTROOT, DEREK C. SUTERMEISTER, CASS A. HANSON
  • Patent number: 10286182
    Abstract: A medical device for ablation of a target tissue is disclosed. The medical device includes a catheter assembly attached to a balloon for the ablation of the target tissue. The catheter assembly includes a proximal end and a distal end. The catheter assembly includes a plurality of individual shafts placed concentrically or adjacent to each other. Further, the plurality of individual shafts includes a respective lumen, wherein the lumens of the plurality of individual shafts can be configured to supply radio frequency (RF) energy to an RF transmitter placed inside the balloon and also to serve as the passageway for a fluid to travel within the balloon. The fluid flowing within the lumens of the catheter assembly can further help in expanding the balloon and transferring energy from the RF transmitter within the balloon to the ablation site via a plurality of windows attached.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: May 14, 2019
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Derek Sutermeister, Cass Hanson, Dan Quillin
  • Publication number: 20190117044
    Abstract: A direct visualization catheter includes a handle, a balloon, an elongate shaft, and a camera assembly. The elongate shaft has a proximal end and a distal end opposite the proximal end. The proximal end is coupled to the handle. The distal end is coupled to the balloon and defines a longitudinal axis. The camera assembly is coupled to the distal end of the elongate shaft and is disposed within the balloon. The camera assembly includes a camera and an adjustment mechanism for varying a configuration of the camera relative to the distal end of the elongate shaft between a delivery configuration and a deployed configuration. The camera faces primarily in a radial direction in the delivery configuration and the camera faces primarily in an axial direction in the deployed configuration.
    Type: Application
    Filed: October 24, 2018
    Publication date: April 25, 2019
    Inventors: James M. Anderson, Adam D. Grovender, Eric M. Petersen, David Raab, Mark S. Smith, Cass A. Hanson, Timothy A. Ostroot
  • Patent number: 10201445
    Abstract: Systems for the delivery of endoluminal devices are disclosed. An illustrative system may include a delivery sheath having an inner sheath and an outer sheath. The delivery sheath may be configured to restrain a stent in a compressed delivery configuration. The outer sheath may cover the entire length of the stent and the inner sheath may cover a portion of the length of the stent.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: February 12, 2019
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: Jan Weber, James M. Anderson, Timothy A. Ostroot, Derek C. Sutermeister, Cass A. Hanson
  • Publication number: 20180221086
    Abstract: Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a catheter shaft. An expandable member may be coupled to the catheter shaft. The expandable member may be capable of shifting between a folded configuration and an expanded configuration. A plurality of flexible elements may be attached to the expandable member, with a plurality of electrode assemblies disposed on the flexible elements. The flexible elements may have a grooved substrate.
    Type: Application
    Filed: April 2, 2018
    Publication date: August 9, 2018
    Inventors: JEFFREY S. LINDQUIST, CASS A. HANSON, PATRICK A. HAVERKOST, DANIEL J. HORN, MARTIN R. WILLARD, DEREK C. SUTERMEISTER
  • Patent number: 9962223
    Abstract: Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a catheter shaft. An expandable member may be coupled to the catheter shaft. The expandable member may be capable of shifting between a folded configuration and an expanded configuration. A plurality of flexible elements may be attached to the expandable member, with a plurality of electrode assemblies disposed on the flexible elements. The flexible elements may have a grooved substrate.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: May 8, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Jeffrey S. Lindquist, Cass A. Hanson, Patrick A. Haverkost, Daniel J. Horn, Martin R. Willard, Derek C. Sutermeister
  • Patent number: 9943365
    Abstract: A renal nerve ablation device may include an elongate tubular member having a distal region. An expandable member may be coupled to the distal region. An electrode support may be coupled to the distal region of the elongate tubular member and extend over a body of the expandable member. The electrode support may be free of connection to the body of the expandable member. One or more electrodes may be coupled to the electrode support.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: April 17, 2018
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Patrick A. Haverkost, Joel N. Groff, Martin R. Willard, Timothy A. Ostroot, Derek C. Sutermeister, Cass A. Hanson, Daniel T. Quillin, Joel R. Munsinger
  • Patent number: 9895194
    Abstract: An intravascular catheter and related methods of use or manufacture are disclosed. The catheter includes an outer tubular member having a proximal end and a distal end, and an inner tubular member having a proximal end and a distal end. An inflatable balloon have a proximal end waist coupled to the outer tubular member adjacent to the distal end thereof, and a distal end waist coupled to the inner tubular member adjacent to the distal end thereof. The balloon includes an interior surface, an exterior surface, and a lumen defined by the interior surface. The balloon further includes at least one section extending from the interior surface of the balloon to the exterior surface of the balloon. A transmitter is disposed about the inner tubular member. In addition to the above, the proximal end waist is coupled to the outer tubular member such that an inflation fluid exits the balloon.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: February 20, 2018
    Assignee: BOSTON SCIENTIFIC SCIMED, INC.
    Inventors: James M. Anderson, Derek C. Sutermeister, Daniel T. Quillin, Cass A. Hanson, Adam J. Royer, Thomas P. Jancaric, Jeffrey S. Lindquist
  • Publication number: 20180042673
    Abstract: Medical devices and methods for making and using the same are disclosed. An example medical device may include a medical device for renal nerve ablation. The medical device may include an elongate shaft having a distal region. An expandable member may be coupled to the distal region. A plurality of electrodes may be coupled to the expandable member and a single conductive member may be coupled to each electrode. Where one of the plurality of electrodes is active, the remaining electrodes may be inactive and act as ground or return electrodes. The electrode of the plurality of electrodes that is active may change over time.
    Type: Application
    Filed: October 25, 2017
    Publication date: February 15, 2018
    Inventors: CASS A. HANSON, HONG CAO, JOHN JIANHUA CHEN, DEREK C. SUTERMEISTER, DANIEL T. QUILLIN, GARY J. PEDERSON
  • Patent number: 9833283
    Abstract: Medical devices and methods for making and using the same are disclosed. An example medical device may include a medical device for renal nerve ablation. The medical device may include an elongate shaft having a distal region. An expandable member may be coupled to the distal region. A plurality of electrodes may be coupled to the expandable member and a single conductive member may be coupled to each electrode. Where one of the plurality of electrodes is active, the remaining electrodes may be inactive and act as ground or return electrodes. The electrode of the plurality of electrodes that is active may change over time.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: December 5, 2017
    Assignee: Boston Scientific Scimed, Inc.
    Inventors: Cass A. Hanson, Hong Cao, John Jianhua Chen, Derek C. Sutermeister, Daniel T. Quillin, Gary J. Pederson, Jr.