Device for X-ray diagnosis, including edge shadow-free compressi

Details Device for X-ray diagnosis, including edge shadow-free compressi Device for X-ray diagnosis, including edge shadow-free compressi

1973-02-05

1979-10-16

Anderson, Bruce C.

Radiant energy

Automatic/serial detection of similar sources

250482, 250468, G03B 4116

Patent

active

041714830

ABSTRACT:
A device for X-ray diagnosis, includes an X-ray tube, an image layer carrier, and a compression device for compressing a portion of the patient to be examined fixed to a side of the image layer carrier directed toward the tube. The compression device has two flat, superimposed, interconnected layers of low X-ray absorption material extending over the entire illuminable surface of the image layer carrier, so that the borders of the layers are not X-rayed. One of the layers is directed toward the tube and is fabricated from an elastically extensible material and the layers define therebetween an inflatable central circular section and a narrow tube-like lead section extending from an edge of the two layers to the central circular section. The compression device permits the patient to be X-rayed in the area of the inflatable circular section and in the area laterally adjacent to the inflatable circular section without producing edge shadows. The device further includes a regulatable device coupled to the lead section for inflating and deflating the central circular section.

REFERENCES:
patent: 2619599 (1952-11-01), Smith
patent: 3214586 (1965-10-01), Graham
patent: 3535518 (1970-10-01), Fischer
patent: 3673407 (1972-06-01), Wiswell

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