Patents by Inventor Larry J. Leyser

Larry J. Leyser 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).

  • Transluminal lysing device
    Patent number: 4935025
    Abstract: A surgical instrument consisting of an open flexible helix of wire attached to an exploratory catheter with a core or guidance wire (or other means) for contracting the device from an extracorporeal location for use in Transluminal Atherectomy and other similar situations for removing luminal protrusions or retrieving other useful samples.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: June 19, 1990
    Inventors: Mark A. Bundy, Larry J. Leyser
  • Transluminal lysing system
    Patent number: 4745919
    Abstract: A system of surgical instruments consisting of a helically wound coil of wire having a variable axial and circumferential pitch and a concentric outer radial cutting cannula and a method for the use of the system in the removal of stenotic and occlusive lesions from the vascular lumina of living mammals.
    Type: Grant
    Filed: November 19, 1986
    Date of Patent: May 24, 1988
    Inventors: Mark A. Bundy, Larry J. Leyser
  • Transluminal lysing system
    Patent number: 4653496
    Abstract: A system of surgical instruments consisting of a helically wound coil of wire having a variable axial and circumferential pitch and a concentric outer radial cutting cannula and a method for the use of the system in the removal of stenotic and occlusive lesions from the vascular lumina of living mammals.
    Type: Grant
    Filed: February 1, 1985
    Date of Patent: March 31, 1987
    Inventors: Mark A. Bundy, Larry J. Leyser