Patents by Inventor Robert M. Tumarkin

Robert M. Tumarkin 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).

  • Axially flexible stent
    Patent number: 6162243
    Abstract: A stent with axial flexibility, in a preferred embodiment, has a longitudinal axis and comprises a plurality of longitudinally disposed bands, wherein each band defines a generally continuous wave along a line segment parallel to the longitudinal axis. A plurality of links maintains the bands in a tubular structure. In a further embodiment of the invention, each longitudinally disposed band of the stent is connected, at a plurality of periodic locations, by a short circumferential link to an adjacent band.
    Type: Grant
    Filed: January 18, 1999
    Date of Patent: December 19, 2000
    Assignee: Cordis Corporation
    Inventors: Larry B. Gray, Ann Eckert, Todd M. Chelak, Robert M Tumarkin
  • Axially flexible stent
    Patent number: 5980553
    Abstract: A stent with axial flexibility, in a preferred embodiment, has a longitudinal axis and comprises a plurality of longitudinally disposed bands, wherein each band defines a generally continuous wave along a line segment parallel to the longitudinal axis. A plurality of links maintains the bands in a tubular structure. In a further embodiment of the invention, each longitudinally disposed band of the stent is connected, at a plurality of periodic locations, by a short circumferential link to an adjacent band.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: November 9, 1999
    Assignee: Cordis Corporation
    Inventors: Larry B. Gray, Ann Eckert, Todd M. Chelak, Robert M. Tumarkin
  • Axially flexible stent
    Patent number: 5895406
    Abstract: A stent with axial flexibility, in a preferred embodiment, has a longitudinal axis and comprises a plurality of longitudinally disposed bands, wherein each band defines a generally continuous wave along a line segment parallel to the longitudinal axis. A plurality of links maintains the bands in a tubular structure. In a further embodiment of the invention, each longitudinally disposed band of the stent is connected, at a plurality of periodic locations, by a short circumferential link to an adjacent band.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: April 20, 1999
    Assignee: Cordis Corporation
    Inventors: Larry B. Gray, Ann Eckert, Todd M Chelak, Robert M. Tumarkin