Patents by Inventor Robert L. Wilensky

Robert L. Wilensky 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).

  • Method and apparatus for intravascular drug delivery
    Patent number: 5306250
    Abstract: A drug delivery catheter assembly, including an expandable, porous outer membrane that is insertable into a blood vessel and positioned adjacent a stenotic atherosclerotic lesion on the interior wall of the blood vessel. The membrane is expanded into contact with the lesion, either mechanically or hydraulically. After the membrane is expanded, a drug-containing liquid is caused to flow into the membrane and through the pores in the membrane into contact with the lesion.
    Type: Grant
    Filed: April 2, 1992
    Date of Patent: April 26, 1994
    Assignee: Indiana University Foundation
    Inventors: Keith L. March, David R. Hathaway, Robert L. Wilensky
  • Method for delivery of smooth muscle cell inhibitors
    Patent number: 5171217
    Abstract: A method and composition for delivering a drug to an affected intramural site for sustained release in conjunction with or following balloon catheter procedures, such as angioplasty. The drug, carried by microparticles of a physiologically-compatible, biodegradable polymer is injected under directed pressure into the wall of a body vessel in the region of the affected site.
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: December 15, 1992
    Assignee: Indiana University Foundation
    Inventors: Keith L. March, David R. Hathaway, Robert L. Wilensky
  • Method for preventing restenosis following reconfiguration of body vessels
    Patent number: 5116864
    Abstract: Restenosis following vascular recanalization is prevented by administering a photoactivatable psoralen and, in conjunction with recanalization, delivering ultraviolet radiation to the region of said recanalization.
    Type: Grant
    Filed: April 9, 1991
    Date of Patent: May 26, 1992
    Assignee: Indiana University Foundation
    Inventors: Keith L. March, David R. Hathaway, Robert L. Wilensky, Brian L. Patton