Head orienting device for cephalometric X-rays

Details Head orienting device for cephalometric X-rays Head orienting device for cephalometric X-rays

1977-02-07

1978-05-09

Borchelt, Archie R.

Radiant energy

Luminophor irradiation

250456, 250491, G21K 508

Patent

active

040888932

ABSTRACT:
A wire device is pivotally attached to one ear post of a head positioning mechanism of the type used in cephalometric radiography. The wire may be pivoted to an indicating position wherein one of its ends indicates the proper location of the orbital area for correct head orientation. The wire provides a straight line on the X-ray film which represents an indication of the Frankfort plane. The wire may also be pivoted to an out of the way retracted position.

REFERENCES:
patent: 2264410 (1941-12-01), Schier
patent: 2532967 (1950-12-01), Thompson

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