X-ray beam perpendicular finder

Details X-ray beam perpendicular finder X-ray beam perpendicular finder

1976-02-11

1977-09-13

Church, Craig E.

Radiant energy

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

250476, G03B 4116

Patent

active

040485072

ABSTRACT:
A pair of separated semi-radio opaque sheets having a similar target pattern removed therefrom are placed in parallel alignment with the targets in perpendicular alignment. When exposed to an X-ray beam of a diagnostic X-ray machine, the targets produce a pattern in the radiograph in which the two targets are superimposed in slight misalignment except where the X-ray beam is perpendicular, thereby locating the perpendicular X-ray beam position with respect to the collimator jaws and visual target of the machine.

REFERENCES:
patent: 3547121 (1970-12-01), Cherry
patent: 3577160 (1971-05-01), White
patent: 3928767 (1975-12-01), Roeck

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