Flexible film cassette
AssigneeSiemens Aktiengesellschaft
InventorsErnst O. Fleer, Werner Gunther, Manfred Muether
Life of this patent
Estimating the term…
Abstract
A flexible film cassette for holding a dental x-ray film on the outside of a patient's mouth for exposure from a radiation source from an x-ray diagnostic installation or device in which an applicator is capable of being inserted intraorally in the patient's mouth characterized by a first support extending between an applicator and the cassette and a second support spaced an interval from the axis of the first support for forming a coupling between the film and the housing of the x-ray device to prevent rotation of the cassette relative to the applicator.
Claims12
In a flexible film cassette for receiving a dental x-ray film and supporting the film outside of a patient's mouth, said cassette being used with an x-ray diagnostic device which has an x-ray tube which is mounted in a housing and has an applicator projecting from the tube and the housing which is capable of being inserted into the patient's mouth, said film cassette on a periphery being provided with first support means at least partially surrounding the applicator and forming a receiving opening for the mounting of the film cassette on the applicator, the improvement comprising second support means for positively coupling the cassette to the applicator being positioned at an interval from the center of the receiving opening of the first support means, said second support means preventing rotation of the film cassette about the symmetrical axis of the applicator.
Dependencies are inferred from the claim text.