Collimating device for X-rays

Details Collimating device for X-rays Collimating device for X-rays

1977-02-07

1978-08-22

Smith, Alfred E.

Radiant energy

Radiation controlling means

250479, G21K 100

Patent

active

041091566

ABSTRACT:
A position indicating device which attaches to an X-ray machine is provided with a collar onto which a lead lined cylinder may be threaded. The cylinder has an end plate through which a rectangular opening is formed in order to provide a rectangular X-ray beam for use in cephalometric radiography. When the cylinder is removed, a circular beam is emitted for use in intra-oral radiography.

REFERENCES:
patent: 3102957 (1963-09-01), Slauson
patent: 3745344 (1973-07-01), Updegrave
patent: 3864576 (1975-02-01), Stevenson

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