Patents by Inventor Rafael Nita

Rafael Nita 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).

  • Contour collimator
    Patent number: 5165106
    Abstract: In a contour collimator for radiation therapy, a variable aperture is formed by two stacks of aperture plates, which are mounted opposite one another. The aperture plates are connected to a setting mechanism in order to alter the aperture created between the opposed aperture plates. All the aperture plates of each stack are arranged on a respective axle. The aperture plates can be rotated individually around the axles and into the aperture.
    Type: Grant
    Filed: June 6, 1991
    Date of Patent: November 17, 1992
    Assignee: Siemens Medical Laboratories, Inc.
    Inventors: Norbert Barthelmes, Rafael Nita