Patents Assigned to Durect Corp.
  • Aural catheter system including anchor balloon and balloon inflation device
    Patent number: 6648873
    Abstract: Methods and apparatus used for securing the end of a drug-delivery catheter at the round window niche of the inner ear; specifically an apparatus employing a miniature threaded screw pump to inflate a balloon allowing a catheter to be secured within the round window niche of the inner ear.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: November 18, 2003
    Assignee: Durect Corp.
    Inventors: Michael H. Arenberg, Edward M. Gillis, Charles R. Rampersaud