Means and techniques useful in marking X-ray film

Details Means and techniques useful in marking X-ray film Means and techniques useful in marking X-ray film

1986-08-11

1987-10-06

Howell, Janice A.

X-ray or gamma ray systems or devices

Auxiliary data acquisition or recording

378165, 378205, G03B 4202

Patent

active

046988360

ABSTRACT:
An X-ray film marking device is quickly attachable to and detachable from an X-ray film cassette using a block of magnet material which is X-ray opaque but if formed with two X-ray transparent cavity portions. One cavity portion is L-shaped to cause a black L recording on a white background. A second cavity portion is R-shaped to cause a black R recording on a white background. A door of X-ray opaque material is adjustably positioned over either cavity portion and has magnetizable material cooperating with the magnet material to safely lock the door in its adjusted positions. The cavity portions are filled with different color X-ray transparent material for contrast. The magnet material includes a third cavity portion which is dish shaped for confining a ball that is free to move to a position therein depending upon the orientation of the X-ray cassette upon which the marker is mounted.

REFERENCES:
patent: 1168177 (1916-01-01), Yoanna
patent: 1912464 (1933-06-01), Powers
patent: 2162420 (1939-06-01), Buckley
patent: 3560745 (1971-02-01), Petersen
patent: 3591804 (1971-07-01), Minasian
patent: 4035653 (1977-07-01), Karasko
patent: 4058733 (1977-11-01), Stenbel
patent: 4194625 (1980-03-01), Stievenart et al.
patent: 4426723 (1984-01-01), Rouse

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