Patents by Inventor Willard W. Hennemann, III

Willard W. Hennemann, III 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 for delivering a liquid solution to the interior wall surface of a vessel
    Patent number: 5902266
    Abstract: The drug delivery stent assembly includes a hollow tubular wire stent which extends in a path defining a generally cylindrical envelope and which has side walls facing outwardly of the cylindrical envelope with holes therein for delivery of liquid to a site in a vessel where the stent is placed.
    Type: Grant
    Filed: June 1, 1998
    Date of Patent: May 11, 1999
    Assignee: Cordis Corporation
    Inventors: James E. Leone, Willard W. Hennemann, III, Stephen M. Rowland
  • Drug delivery stent
    Patent number: 5891108
    Abstract: The drug delivery stent assembly includes a hollow tubular wire stent which extends in a path defining a generally cylindrical envelope and which has side walls facing outwardly of the cylindrical envelope with holes therein for delivery of liquid to a site in a vessel where the stent is placed and the stent being constructed in a manner which permits the stent to be placed in one of two states, one state being where the stent assumes the shape of an enlarged generally cylindrical envelope and the other state being where the stent assumes the shape of a contracted smaller cylindrical envelope.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: April 6, 1999
    Assignee: Cordis Corporation
    Inventors: James E. Leone, Willard W. Hennemann, III, Stephen M. Rowland
  • Retrievable drug delivery stent
    Patent number: 5882335
    Abstract: The drug delivery stent assembly includes a hollow tubular wire stent which extends in a path defining a generally cylindrical envelope and which has side walls facing outwardly of the cylindrical envelope with holes therein for delivery of liquid to a site in a vessel where the stent is placed.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: March 16, 1999
    Assignee: Cordis Corporation
    Inventors: James E. Leone, Willard W. Hennemann, III, Stephen M. Rowland
  • Multiple component balloon catheter system and stenosis treatment procedure
    Patent number: 5281200
    Abstract: A balloon catheter system is provided which includes a balloon-on-a-wire assembly and an over-the-wire catheter which slidably passes over the elongated body of the balloon-on-a-wire assembly, but not over its balloon. In the procedure by which the system is used, the balloon-on-a-wire assembly achieves an initial dilation or predilation of a lesion or stenosis, after which it is moved somewhat distally to clear the predilated stenosis. The over-the-wire catheter then is slidably moved over the balloon-on-a-wire assembly until its balloon reaches and dilates the predilated stenosis. After dilation is completed, the system is removed from the body vessel thus treated.
    Type: Grant
    Filed: December 8, 1992
    Date of Patent: January 25, 1994
    Assignee: Cordis Corporation
    Inventors: Philip P. Corso, Jr., Willard W. Hennemann, III