Patents Assigned to Stephen D. Updegraff
  • Corneal flap/cap elevator
    Patent number: 5779711
    Abstract: An elevating instrument and method for atraumatically lifting a corneal cap or flap during corneal lamellar surgery having a handle and an elevator head at one end of said handle. The head has a leading edge with an inclined top face extending vertically away from said edge and a bottom face for atraumatically engaging the corneal surface. The head is adapted for insertion into a corneal cap or flap incision with said leading edge and inclined top face exposing a corneal edge for lifting the cap or flap.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: July 14, 1998
    Assignees: Michiel S. Kritzinger, Stephen D. Updegraff
    Inventors: Michiel S. Kritzinger, Stephen A. Updegraff