DEVICE FOR MAKING STEREO FLUOROGRAPHIC EXAMINATION Russian patent published in 2002 - IPC

FIELD: medical engineering. SUBSTANCE: device has X-ray tube connected to high voltage generator, fluorographic camera fixed on support member, control desk and patient footboard manufactured as horizontal disk having vertical frame fixed on movable base rotatable about vertical axis within the limits of stereo fluorographic angle set by means of rotation angle arrester member. Footboard base is mechanically connected to fluorographic camera support member base by means of fitting sockets. Disk axis is in the same plane with basic X-ray tube beam and the disk itself has horizontal carrier with scale and electromechanical drive of reverse type movement direction of which is in parallel to the basic X-ray tube beam. The disk rotation angle arrester members have cam rigidly connected to the disk and two rulers fixed on footboard base one of which is rectilinear and has working surface running in parallel to the basic X-ray tube beam direction, the other one having working surface defined by equation where r is the distance from disk rotation axis to the cam, f is the focal distance of fluorography, s₀ is the minimum distance from disk rotation axis to the fluorography camera screen, s is the distance from disk rotation axis to the fluorography camera screen when producing magnified stereo fluorograms, γ₀ is the disk rotation angle at s = s₀, Patient lift has disk rotation mechanism having electromechanical drive of reverse type with distant control. The image is recorded with digital fluorography camera. EFFECT: satisfied X-ray photogrammetric conditions when making images of various magnification degree. 2 cl, 5 dwg