Testes de controle de qualidade em equipamentos de raios X

Abstract

Quality control programs are aimed at constantly ensuring the functioning of the X-ray equipments systems, so that they have a good diagnostic image, with less cost and minimal dose to the patient. Coming as a complement to quality assurance programs, quality control tests that intend to evaluate the performance of the equipment, as it cites the optimal performance values in the ordinance N ° 453/1998. To accomplish these tests of constancy, precise and compact X-ray meters are required to facilitate the evaluator's work. In this study, the quality control tests proposed in Brazil were studied, checking whether the study's participating equipment is within the necessary performance pattern and the instrumentation available on the market was verified. The Black Piranha went to the instrumentation used for performing the performance tests. Tests were conducted on three x-ray equipments, two conventional equipments and an X-ray equipment screening for women. Most tests show that the evaluated equipment is in perfect performance and usage conditions, but the approval of the tests does not imply that they have good diagnostic visualization images, as the ordinance N ° 453/1998 is outdated, Causing an imprecise interpretation of the results. It can be concluded that the instrumentation used for quality control tests in this work, the Black Piranha, is a great compact X-ray meter, however it possesses some disadvantages that prevent performing tests proposed at the gate.