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Rontgenblatter. 1984 Jan;37(1):29-39.

[The development of slit pictures].

Rontgen-Blatter; Zeitschrift fur Rontgen-Technik und medizinisch-wissenschaftliche Photographie

[Article in German]
K Heckmann

PMID: 6367001

Abstract

The development of the slit-pictures, which goes back to the oldest times of radiology, is going to be discussed. Todays methods are reviewed. In the beginning only used for the elimination of the secondary radiation and for the orthograde pictures, the author has proposed many years ago to use the slit-pictures-technic and represented by model-experiments for change the X-ray perspective, which by shifting the both slit-diaphragmas, the X-ray-tube, the patient and the film different pictures effects are gained. So the direction of radiation changes during the exposition. In the next time some of these methods were practised, e.g. the "Panoramaaufnahme" of the skull and the jaws, the total picture of the vertebral columne, the arteriography of the limbs and so on. As a new technic are the "Einblicksaufnahme" of the vertebral canal and the picture of the Os ethmoidale, which is unfolded like the pages of a open book, also the picture of a conio-section of an object. The mathematical analysis of the slit-pictures by Vuoria (Vuorinen) is discussed, further the examination of quality and the radiation load. Finally application of digital technics on slit-pictures is proposed and this combination is discussed.

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