X-ray or gamma ray systems or devices – Specific application – Dental panoramic
Patent
1991-08-27
1992-09-15
Church, Craig E.
X-ray or gamma ray systems or devices
Specific application
Dental panoramic
378 38, 378196, A61B 614
Patent
active
051484544
ABSTRACT:
Apparatus according to the present invention is provided for conducting cranial X-ray tomography and radiography of human subjects and includes a horizontally oriented, motor driven rotatable shaft for imparting controlled rotation to an elongate support member having an X-ray source and film holder provided at opposed end portions thereof. The apparatus includes a cephalometer which supports the head of the subject at a fixed position during X-ray tomography and radiography procedures. The horizontal rotary shaft of the apparatus is controllably movable laterally, preferably horizontally, between successive X-ray exposures to achieve successive tomographic images on the X-ray film representing sections or cuts of the cranial site of interest.
REFERENCES:
patent: 4017737 (1977-04-01), Hudson
patent: 4653083 (1987-03-01), Rossi
patent: 4741015 (1988-04-01), Charrier
patent: 4868845 (1989-09-01), Koropp
patent: 4974243 (1990-11-01), McArdle
Church Craig E.
Jackson James L.
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