Patents by Inventor Paul G. Mitchell

Paul G. Mitchell 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).

  • Apparatus for the removal of adherent viscoelastic
    Patent number: 5558634
    Abstract: A method and apparatus is disclosed for the removal of viscoelastic material from an eye chamber. The apparatus enables a procedure, or method, which includes the steps of directing an irrigation fluid toward a viscoelastic material disposed in an eye chamber in order to loosen said viscoelastic material from eye chamber surfaces, hydraulically forcing the loosened viscoelastic material from the chamber surfaces, and aspirating the loosened viscoelastic material from the eye chamber.
    Type: Grant
    Filed: June 27, 1994
    Date of Patent: September 24, 1996
    Inventor: Paul G. Mitchell
  • Apparatus and method for the removal of adherent viscoelastic material
    Patent number: 5358473
    Abstract: A method and apparatus is disclosed for the removal of viscoelastic material from an eye chamber. The apparatus enables a procedure, or method, which includes the steps of directing an irrigation fluid toward a viscoelastic material disposed in an eye chamber in order to loosen said viscoelastic material from eye chamber surfaces, hydraulically forcing the loosened viscoelastic material from the chamber surfaces, and aspirating the loosened viscoelastic material from the eye chamber.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: October 25, 1994
    Inventor: Paul G. Mitchell