Patents by Inventor David C. Dahlin

David C. Dahlin 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).

  • Sub-tenon drug delivery
    Patent number: 6413245
    Abstract: Disclosed is a method and apparatus for delivering a drug formulation to a human eye. The method includes the steps of inserting the apparatus below the Tenon's capsule and above the sclera at a point posterior to the limbus of the eye and injecting the drug formulation to form a drug depot on an outer surface of the sclera. The apparatus includes a cannula having a distal portion, a proximal portion, and a bend separating the distal portion and the proximal portion. The distal portion has a radius of curvature substantially equal to a radius of curvature of the globe of the eye. A tangent of the distal portion at the bend is disposed at an angle no more than about 56 degrees with respect to the proximal portion.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: July 2, 2002
    Assignee: Alcon Universal Ltd.
    Inventors: Yoseph Yaacobi, Abbot F. Clark, David C. Dahlin, Craig B. Struble, David Allen Marsh, Billie M. York