Device for aligning an x-ray source with an image receptor

Details Device for aligning an x-ray source with an image receptor Device for aligning an x-ray source with an image receptor

1976-09-08

1977-10-11

Church, Craig E.

Radiant energy

Means to align or position an object relative to a source or...

250320, 250476, G03B 4116

Patent

active

040537820

ABSTRACT:
A device for aligning the central ray of an x-ray beam with the center of an image receptor comprises a metal tube in a mounting which is provided with means for establishing the axis of the tube perpendicular to the plane of the image receptor or other plane which is perpendicular to the central ray. The tube is mounted in such manner that the region around it is x-ray permeable. The mounting is adapted for being moved in parallelism with the plane such that alignment of the central ray with a point on the receptor may be determined when the circular shadow cast by the outside of the tube is concentric with the circular image of the tube bore.

REFERENCES:
patent: 1917433 (1933-07-01), Cressler
patent: 3577160 (1971-05-01), White

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