Patents by Inventor Kenneth Keown

Kenneth Keown 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).

  • Rapid exchange catheter
    Patent number: 5667521
    Abstract: The present invention relates to over-the-wire PTCA balloon catheters (5), and more particularly, to a rapid exchange catheter with the guidewire lumen (50) at the distal tip. The present invention discloses a rapid exchange medical catheter having a wire guiding means external to the shaft (35) for slidably mounting over the guidewire (55), the wire guiding means being a short tubular member having a proximal end and a distal end extending proximally from the distal end of the shaft (35) and terminating before the distal end of the balloon therapy means.
    Type: Grant
    Filed: January 19, 1996
    Date of Patent: September 16, 1997
    Assignee: Medtronic, Inc.
    Inventor: Kenneth Keown
  • Rapid exchange catheter
    Patent number: 5383853
    Abstract: The present invention relates to over-the-wire PTCA balloon catheters (5), and more particularly, to a rapid exchange catheter with the guidewire lumen (50) at the distal tip. The present invention discloses a rapid exchange medical catheter having a wire guiding means external to the shaft (35) for slidably mounting over the guidewire (55), the wire guiding means being a short tubular member having a proximal end and a distal end extending proximally from the distal end of the shaft (35) and terminating before the distal end of the balloon therapy means.
    Type: Grant
    Filed: November 12, 1992
    Date of Patent: January 24, 1995
    Assignee: Medtronic, Inc.
    Inventors: Eugene J. Jung, Kenneth Keown, Peter I. C. Turk