Patents by Inventor Heinz Smirmaul

Heinz Smirmaul 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).

  • Capsulectomy surgical instrument
    Patent number: 4766897
    Abstract: An ophthalmic surgical instrument (10) is provided for incising the anterior lens capsule of the crystalline lens of an eye. The surgical instrument (10) includes a handle (12) adapted for support in a hand of a user. A tubular member (16) extends from the handle (12) and terminates in a loop (18). A circular cutting device (20) is rotatably mounted within the loop (18). A flexible elongate wire (24) is disposed within the tubular member (16) and is interconnected to the circular cutting device (20) and the handle (12) such that the circular cutting device (20) is rotated upon compression of the handle (12).
    Type: Grant
    Filed: June 16, 1987
    Date of Patent: August 30, 1988
    Inventor: Heinz Smirmaul
  • Corneal trephine
    Patent number: 4336805
    Abstract: The present invention relates to trephines and in particular to trephines used in corneal grafting.
    Type: Grant
    Filed: August 5, 1980
    Date of Patent: June 29, 1982
    Inventor: Heinz Smirmaul