Image region selector for a scanning X-ray system

Details Image region selector for a scanning X-ray system Image region selector for a scanning X-ray system

1979-05-03

1981-03-31

Smith, Alfred E.

Radiant energy

Luminophor irradiation

250439P, 250508, 250521, 358111, A61B 608, A61B 614

Patent

active

042595835

ABSTRACT:
Examination of dental patients or other subjects (14) with a radiographic system (11) having a scanning X-ray source (17) and a collimator (58) with a plurality of passages (62) for directing X rays to a detector (51) is facilitated by an image region selector (12) which is separate from the source. The selector (12) includes the detector (51) and means (64) defining the collimator position at which the collimator passages (62) are directed towards the detector (51). The selector (12) may be positioned and independently supported, to establish the region to be imaged, prior to the time that the relatively heavy and bulky X-ray source (17) is maneuvered into position for making the examination.

REFERENCES:
patent: 1164987 (1915-12-01), Bucky
patent: 2730566 (1956-01-01), Bartow et al.
patent: 2777068 (1957-01-01), Bowser
patent: 3102957 (1963-09-01), Slauson
patent: 3622785 (1971-11-01), Irwin et al.
patent: 3949229 (1976-04-01), Albert
patent: 4031395 (1977-06-01), LeMoy

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