Mammograph x-ray grid

Details Mammograph x-ray grid Mammograph x-ray grid

1990-04-19

1992-04-14

Howell, Janice A.

X-ray or gamma ray systems or devices

Auxiliary data acquisition or recording

Distance or dimension marker

378164, 378180, 378 37, 378208, H05G 128

Patent

active

051054574

ABSTRACT:
Apparatus and methods are disclosed for efficiently and quickly determining the exact location of spicules of calcium within a test specimen of human tissue removed from a woman's breast. By exactly locating the clusters of calcification, a pathologist can dissect the portion of the test specimen containing the calcifications and quickly analyze the same to determine whether or not malignancy exists. A pair of grid plates is provided, one on top of the other, with clamping means to compress a test specimen therebetween in the present invention. The plates include a grid system which is opaque to radiographic filming which allows the determination of the exact location of the clusters of calcifications.

REFERENCES:
patent: 2344824 (1944-03-01), Landis et al.
patent: 3111582 (1963-11-01), Levi
patent: 3547121 (1970-12-01), Cherry
patent: 4691333 (1987-09-01), Gabriele et al.
patent: 4837795 (1989-06-01), Garrigus
patent: 4860331 (1989-08-01), Williams et al.
patent: 4918715 (1990-04-01), Krupnick et al.

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