Patents by Inventor Robert L. Wynne

Robert L. Wynne 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: 6800085
    Abstract: An intravascular catheter system for the treatment of occluded blood vessels that includes tissue displacement or hinged expansion members that are movable from a closed to an open position. An actuating assembly may be provided for moving the tissue expansion members between an open and closed position to exert a substantially lateral distal end force upon the region surrounding an occluded blood vessel. The tissue expansion members may stretch apart, tear or otherwise disrupt a vascular occlusion sufficiently to create a pathway that may support the passage or placement of a guidewire or an interventional vascular device across the occlusion or obstruction. Methods of crossing or displacing a vascular occlusion are further provided that include the positioning of a vascular catheter having at least one hinged spreading member positioned at the distal region of the catheter that is responsive to directed force along the longitudinal axis of the catheter.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: October 5, 2004
    Assignee: LuMend, Inc.
    Inventors: Matthew R. Selmon, Charles F. Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell, Charles Gresl, Gerald Hansen, E. Richard Hill, III
  • Patent number: 6746462
    Abstract: An intravascular catheter system for the treatment of occluded blood vessels that includes tissue displacement or hinged expansion members that are movable from a closed to an open position. An actuating assembly may be provided for moving the tissue expansion members between an open and closed position to exert a substantially lateral distal end force upon the region surrounding an occluded blood vessel. The tissue expansion members may stretch apart, tear or otherwise disrupt a vascular occlusion sufficiently to create a pathway that may support the passage or placement of a guidewire or an interventional vascular device across the occlusion or obstruction. Methods of crossing or displacing a vascular occlusion are further provided that include the positioning of a vascular catheter having at least one hinged spreading member positioned at the distal region of the catheter that is responsive to directed force along the longitudinal axis of the catheter.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: June 8, 2004
    Assignee: LuMend, Inc.
    Inventors: Matthew R. Selmon, Charles F. Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell, Charles Gresl
  • Publication number: 20040077999
    Abstract: An intravascular catheter system for the treatment of occluded blood vessels that includes tissue displacement or hinged expansion members that are movable from a closed to an open position. An actuating assembly may be provided for moving the tissue expansion members between an open and closed position to exert a substantially lateral distal end force upon the region surrounding an occluded blood vessel. The tissue expansion members may stretch apart, tear or otherwise disrupt a vascular occlusion sufficiently to create a pathway that may support the passage or placement of a guidewire or an interventional vascular device across the occlusion or obstruction. Methods of crossing or displacing a vascular occlusion are further provided that include the positioning of a vascular catheter having at least one hinged spreading member positioned at the distal region of the catheter that is responsive to directed force along the longitudinal axis of the catheter.
    Type: Application
    Filed: August 25, 2003
    Publication date: April 22, 2004
    Inventors: Matthew R. Selmon, Charles F. Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell, Charles Gresl, Gerald Hansen, E. Richard Hill
  • Patent number: 6638247
    Abstract: An intravascular catheter system for the treatment of occluded blood vessels that includes tissue displacement or hinged expansion members that are movable from a closed to an open position. An actuating assembly may be provided for moving the tissue expansion members between an open and closed position to exert a substantially lateral distal end force upon the region surrounding an occluded blood vessel. The tissue expansion members may stretch apart, tear or otherwise disrupt a vascular occlusion sufficiently to create a pathway that may support the passage or placement of a guidewire or an interventional vascular device across the occlusion or obstruction. Methods of crossing or displacing a vascular occlusion are further provided that include the positioning of a vascular catheter having at least one hinged spreading member positioned at the distal region of the catheter that is responsive to directed force along the longitudinal axis of the catheter.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: October 28, 2003
    Assignee: LuMend, Inc.
    Inventors: Matthew R. Selmon, Charles F. Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell, Charles Gresl, Gerald Hansen, E. Richard Hill, III
  • Patent number: 6599304
    Abstract: An intravascular catheter system for the treatment of occluded blood vessels that includes tissue displacement or hinged expansion members that are movable from a closed to an open position. An actuating assembly may be provided for moving the tissue expansion members between an open and closed position to exert a substantially lateral distal end force upon the region surrounding an occluded blood vessel. The tissue expansion members may stretch apart, tear or otherwise disrupt a vascular occlusion sufficiently to create a pathway that may support the passage or placement of a guidewire or an interventional vascular device across the occlusion or obstruction. Methods of crossing or displacing a vascular occlusion are further provided that include the positioning of a vascular catheter having at least one hinged spreading member positioned at the distal region of the catheter that is responsive to directed force along the longitudinal axis of the catheter.
    Type: Grant
    Filed: November 19, 1999
    Date of Patent: July 29, 2003
    Assignee: LuMend, Inc.
    Inventors: Matthew R. Selmon, Charles F. Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell, Charles Gresl
  • Patent number: 6508825
    Abstract: An intravascular catheter system for the treatment of occluded blood vessels that includes tissue displacement or hinged expansion members that are movable from a closed to an open position. An actuating assembly may be, provided for moving the tissue expansion members between an open and closed position to exert a substantially lateral distal end force upon the region surrounding an occluded blood vessel. The tissue expansion members may stretch apart, tear or otherwise disrupt a vascular occlusion sufficiently to create a pathway that may support the passage or placement of a guidewire or an interventional vascular device across the occlusion or obstruction. Methods of crossing or displacing a vascular occlusion are further provided that include the positioning of a vascular catheter having at least one hinged spreading member positioned at the distal region of the catheter that is responsive to directed force along the longitudinal axis of the catheter.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: January 21, 2003
    Assignee: LuMend, Inc.
    Inventors: Matthew R. Selmon, Charles F. Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell, Charles Gresl, Gerald Hansen, E. Richard Hill, III
  • Publication number: 20010018596
    Abstract: An intravascular catheter system for the treatment of occluded blood vessels that includes tissue displacement or hinged expansion members that are movable from a closed to an open position. An actuating assembly may be provided for moving the tissue expansion members between an open and closed position to exert a substantially lateral distal end force upon the region surrounding an occluded blood vessel. The tissue expansion members may stretch apart, tear or otherwise disrupt a vascular occlusion sufficiently to create a pathway that may support the passage or placement of a guidewire or an interventional vascular device across the occlusion or obstruction. Methods of crossing or displacing a vascular occlusion are further provided that include the positioning of a vascular catheter having at least one hinged spreading member positioned at the distal region of the catheter that is responsive to directed force along the longitudinal axis of the catheter.
    Type: Application
    Filed: April 13, 2001
    Publication date: August 30, 2001
    Inventors: Matthew R. Selmon, Charles F. Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell, Charles Gresl, Gerald Hansen, E. Richard Hill
  • Patent number: 6217549
    Abstract: An intravascular catheter system for the treatment of occluded blood vessels that includes tissue displacement or hinged expansion members that are movable from a closed to an open position. An actuating assembly may be provided for moving the tissue expansion members between an open and closed position to exert a substantially lateral distal end force upon the region surrounding an occluded blood vessel. The tissue expansion members may stretch apart, tear or otherwise disrupt a vascular occlusion sufficiently to create a pathway that may support the passage or placement of a guidewire or an interventional vascular device across the occlusion or obstruction. Methods of crossing or displacing a vascular occlusion are further provided that include the positioning of a vascular catheter having at least one hinged spreading member positioned at the distal region of the catheter that is responsive to directed force along the longitudinal axis of the catheter.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: April 17, 2001
    Assignee: LuMend, Inc.
    Inventors: Matthew R. Selmon, Charles F. Milo, Robert L. Wynne, Suresh S. Pai, Kent D. Dell, Charles Gresl
  • Patent number: 5507760
    Abstract: Disclosed herein is a cutter capable of removing soft and hard tissue when used with an atherectomy catheter of the type having a cutter housing attached to the distal end of a catheter having a torque cable. A circular cutting blade is disposed within the housing and is secured to the distal end of a rotatable torque cable. An elongated aperture formed along one side of the hosing allows the intrusion of stenotic material which may then be severed by rotating and axially translating the cutting blade. The cutting blade may be made from a cemented tungsten carbide compound of 90 percent tungsten carbide (WC) and 10 percent cobalt (Co) which is heated, injection molded and sintered to produce a hard, durable cutting edge. The cutting edge is coated with titanium carbonitride using a physical vapor deposition process to further increase durability. Cutting edge hardness is further increased by application of an ion implantation of nitrogen using an ion-beam assisted deposition process.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: April 16, 1996
    Assignee: Devices for Vascular Intervention, Inc.
    Inventors: Robert L. Wynne, David W. Snow, Larry B. Rogers, Ferolyn Powell, Jeffrey W. Krier, Ron Hundertmark, Earl R. Hill, III, Randolph E. Campbell