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Possibility of use of mobile fluorographic rooms based on KAMAZ trucks for mass-scale prophylactic examinations of rural population of the Russian Federation is discussed. The mobile rooms are equipped with digital fluorographic systems. A list of the main medical and performance characteristics of these systems is presented. An example of equipment location in a mobile room is given.

An original method for determination of the effective dose received by patient during digital scanning fluorographic examination from the results of measurement of radiation dose scattered by patient's body was suggested. This method does not require radiation detector to be exposed to working field. This method of determination of the effective dose of radiation scattered by patient's body can be used in scanning radiography.

Described are the results of testing of methods of the new 01-22-04 standard designed for monitoring the image-quality parameters of digital X-ray converter-receivers (made alongside with tests of digital X-ray diagnostic units ProScan-7000 and ProScan-2000).

There is a description of a multifunctional portable unit designed for measurement of anode voltage at the X-ray tube, capacity of exposition dose and of exposition time (i.e. of X-ray diagnostic parameters).

The paper presents the study results related with operational properties of digital X-ray diagnostic systems designed on the basis of silicon detectors. Suggestions are defined for the use of evaluation methods applicable to image parameters with respect to the properties of an examined object.

Theoretical and experimental research results related with the influence of correlation of signals in neighboring elements of digital X-ray receiver-transformer produced on the evaluation of the output ratio noise/signal and, as a consequence, on the evaluation of quantum registration efficiency are described in the paper.

There is a description of a new digital fluorograph designed at "Roentgenoprom" Ltd. Co., Moscow. A specially constructed linear detector and new soft are used in it, which essentially enhances the image quality.

The X-ray dental equipment and photo-developing devices used for dentistry in Russia, the absorbed doses per tooth examination, and allied digital (sensory) transducers are considered.

Digital X-ray apparatuses have been designed to substitute for film fluorographs, which are noted for smaller radiation loads and high image quality. The paper describes one of such apparatuses, whose distinctive feature is the use of a low-noise CCD matrix having high-resolution matrix and a high performance luminescence screen. It outlines prospective variants of the use of the apparatus, describes the basic set supplied and its operation, gives its technical data and dimensions.

The paper shows the advantages of digital versus routine film fluorography, which allows a user to make a choice of the type of an apparatus for fluorographic examination. The expenses of a fluorographic room on developing equipment and expendable materials for different types of the room's equipment. It gives the cost and specific features of the use of current film and digital fluorographs and the data on the cost of an examination using film and digital fluorography in case of the most cost-effective fluorographic systems.

The paper outlines X-ray diagnostic sets made in Russia, whose modular principle allows one to choose the optimum price and quality delivery at different financing levels. The sets are equipped with up-to-date high-frequency X-ray image generators and intensifiers with a charge communication device-matrix as a television signal transducer.