An essentially new important step towards provision of national medicine with its own high-tech instruments was taken at the Lebedev Physics Institute (FIAN). According to the Scientific Information Agency FIAN-Inform, the institute developed test samples of all components of a unique full-scale magnetic resonance tomograph (MRT) with a helium-free cooling system. In its characteristics the tomograph will compete with similar instruments of foreign companies leading in the world market of medical technology. Let's point out here that MRT is the most precise, sensitive and safe method of human organism diagnostics based on the phenomenon of nuclear magnetic resonance (NMR) discovered in 1946 by Felix Bloch and Orthopaedic tomograph MRScaneks developed by FIAN specialists. стр. 65 Richard Purcell (USA), Nobel Prize winners. Early in the 1970s the American chemist Paul Lauterbur received the world's first NMR image of two glass capillaries filled with liquid. Besides, his British colleague Peter Mansfield developed a mathematical apparatus for a processing of radio signals received from the instrument with their consequent interpretation into a two-dimensional image. It took another eight years to introduce NMR into medical practice, and the first tomographs appeared in clinics only in 1980-1981. In the last decade the magnetic resonance tomography actually overshadowed all other diagnostic methods. Even today due to this method it is possible to diagnose malignant tumours, inflammations, cysts, cerebral thromboses, multiple sclerosis, Alzheimer's disease, dislocations, fractures and displacement of intervertebral disks. The prospects for this method in future are limited only by the scope of our imagination. Until recently MRT complexes were produced only abroad. Three years ago a team of the FIAN scientists headed by Yevgeny Demikhov, Dr. Sc. (Phys. & Math.), decided to fill the gap on our medical market and developed the ... Читать далее

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Полная версия: https://library.md/m/articles/view/HELIUM-FREE-COOLING-OF-A-TOMOGRAPH
Россия Онлайн · 7 days ago 0 42
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Россия Онлайн
Москва, Russia
24.11.2021 (7 days ago)
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