X-ray photographic equipment

Details X-ray photographic equipment X-ray photographic equipment

1988-12-20

1990-07-10

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Electronic circuit

Exposure timer

378 62, 358111, H05G 164

Patent

active

049411691

ABSTRACT:
An X-ray photographic equipment includes an assembly consisting of an X-ray tube and an X-ray image pickup means with the body of a subject disposed therebetween. The assembly is moved relative to the body of the subject along the direction of a contrast medium flowing in the body of the subject. A plurality of images are obtained every time the assembly is stopped. Video signals representing these images are processed, and a maximum value holding image and a minimum value holding image are found. A difference therebetween represents an image of the blood vessel, which is free from an artefact caused by positional deviation.

REFERENCES:
patent: 4723261 (1988-02-01), Janssen et al.

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