1,721,229 research outputs found
Lo psicodramma psicoanalitico. Evoluzioni del metodo e funzioni di cura.
No full textLo psicodramma nella cura e nella formazione
A TILTING COLLIMATOR, IN PARTICULAR FOR SINGLE- PHOTON EMISSION COMPUTED TOMOGRAPHY
No full textA tilting collimator (4), in particular usable in the single photon emission computed tomography imaging technique, comprises: a plurality of side-by-side tubular structures (5), apt to form a matrix of tubular structures (5) on a two-dimensional space, each tubular structure (5) comprising at least a through hole; each tubular structure (5) being in contact with the tubular structures (5) adjacent thereto so as to be able to tilt only in presence of an equal tilting in the adjacent tubular structures (5); and retaining means, acting on the outer edges of said matrix, apt to move horizontally to determine the simultaneous tilting of all tubular structures (5) of the matrix, allowing a three-dimensional scanning of a gamma source by tilting progressively the single tubular structures (5) with great precision and in an extremely quick way
Gamma camera piatta a scintillazione, ad altissima risoluzione spaziale, a struttura modulare /Flat scintillation gamma camera with very high spatial resolution,with modular structure
No full textThe gamma camera, able to be developed in areas of any size and unlimited, presents such a thickness as to be considered flat and of minimal bulk and it can be assembled in individual modules to be attached one to the other solving the problem of dead zones between individual PSPMTS, with values of intrinsic spatial resolution in the order of 1 mm. The application of the present invention may range from the medical field (PET, SPECT, SPEM, PEM, etc.) to employment in astrophysics
AN APPARATUS FOR SCINTIGRAPHIC ANALYSIS, PARTICULARLY A MAMMOGRAPH,WITH SUB-MILLIMETRIC SPATIAL RESOLUTION
No full textA scintigraphic mammograph with sub-millimetric spatial resolution adapted to detect gamma radiations with 30 KeV to 2 MeV energy, comprising a sensitive head section (10) with a box shaped shielding container (16) co-operating with a standard pressure member and receiving the following essential components combined together in the following succession: an apertured collimator (11), of a high atomic number material, adapted to collimate the gamma radiation emissions from the body organ being investigated; a scintillating crystal and fluorescent fiber structure adapted to convert the gamma radiations emitted from the concerned body organ into light radiations; a multi-anode or crossed wire photo-multiplier or position sensitive solid state detector, which receives the light radiations emitted from said scintillating crystals and fluorescent fibers and generates signals proportional to the received light radiations; a hardware assembly adapted to perform conversion and integration of all signals generated by said photo-multiplier assembly from an analog to a digital format as well as their amplification in order to subsequently couple them to an electronic processor which processes and displays then on a suitable monitor in the form of an image of the concerned body organ
SONDA ECO-SCINTIGRAFICA PER APPLICAZIONI MEDICHE E RELATIVA PROCEDURA DI FUSIONE DELLE IMMAGINI
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