X-ray diagnostics installation for intermittent transilluminatio

Details X-ray diagnostics installation for intermittent transilluminatio X-ray diagnostics installation for intermittent transilluminatio

1994-07-26

1995-08-01

Church, Craig E.

X-ray or gamma ray systems or devices

Electronic circuit

With display or signaling

378 91, H05G 164

Patent

active

054386047

ABSTRACT:
An x-ray diagnostics installation for intermittent fluoroscopy of an examination subject has an x-ray tube, supplied by a high-voltage generator, an x-ray image intensifier video chain with an image pick-up unit, and control logic for the high-voltage generator and for the video chain which controls the high-voltage supply to continuously operate x-ray tube and which controls read out of the pick-up unit so that the read out is pulsed or intermittent. Read out of the pick-up unit is suppressed for a number of potentially available images, and image playback ensues in the manner of a stroboscope. The high-voltage supply can then be set to values such that the x-ray dose rate of the x-ray tube is lower than the dose rate which is normal for standard fluoroscopy.

REFERENCES:
patent: 4017679 (1977-04-01), Kemner et al.
patent: 4881124 (1989-11-01), Yokouchi et al.
patent: 4901336 (1990-02-01), Nishiki
"State-of-the-Art and Development Tendencies of X-ray Image Intensifier Television Systems," Pfeiler et al., Electromedica (May 1975), pp. 148-157.

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