x-ray image reference maker with gravitational direction indicator and a computer implemented method for more precise determination of the position of the x-ray pictures in the case of the receptacle as well as output signal parameters

摘要

The present invention relates to a x-ray reference marker with a gravitational direction indicator and a computer implemented method for more precise determination of the position of the x-ray pictures in the case of the accommodation of the same. The x-ray reference marker basically consists of a hollow sphere and a x-ray-teilabsorbierendem material therein in a freely movable smaller ball of x-ray-teilabsorbierendem or - fully absorbent material, which extends through the force of gravity acting on it is always to the next to the ground point located within the hollow sphere moves. The x-ray reference marker is provided with an adhesive component and can thus between an x-ray source and a detector plate are arranged in such a way that the sidewalls of the body tissue of a patient, the balls, together with the body tissue are projected on the detector plate and on the resulting therefrom can be visually read the x-ray image is gravitational direction. With the method according to the invention can be prepared from the respective projected images of the x-ray marker the tilting and angle of inclination of the image plane, upright, sitting or lying positions of the patient as well as its dorsal and ventral alignment in the receive exactly determine and indicate. Known machining methods for determining the size of a structure depicted in the x-ray image on the spherical reference marker supports, it is also possible to use further.