Diaphanography method and apparatus

Details Diaphanography method and apparatus Diaphanography method and apparatus

1986-05-08

1989-02-28

Howell, Kyle L.

Surgery

Truss

Pad

128665, 2503581, 250341, 2503601, 378 37, A61B 608, A61B 612

Patent

active

048076376

ABSTRACT:
A method and apparatus for practicing diaphanography by directing a beam of collimated light along a linear input path into incidence with a flat side of a compressed human breast, and collecting light which emerges from an opposing flat side of the compressed breast along an output path that is colinear with the light input path and with an angular divergence no greater than the angular divergence of the collimated input beam of light. Application of a good scatter rejecting geometry assures that the useful information in that portion of the beam of light which passes directly through the compressed breast can be utilized even though the emergent light is only a small fraction of the incident light.

REFERENCES:
patent: 4203037 (1980-05-01), Gur et al.
patent: 4212306 (1980-07-01), Mahmud
patent: 4515165 (1985-05-01), Carroll

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