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US 2003/0147500 A1Published application
PET and SPECT systems with attenuation correction
AssigneeElgems Ltd.
InventorNaor Wainer
Life of this patent
Estimating the term…
Abstract
A radiation source comprising: a source of radiation; a plate having an aperture formed therein, said aperture facing the source of radiation; and means for moving the source when no radiation is desired on the side of the plate away from the source.
Claims19
A radiation source comprising:
- a source of radiation;
- a plate having an aperture formed therein, said aperture facing the source of radiation;
- and
- means for moving the source when no radiation is desired on the side of the plate away from the source.
1 more element
A radiation source comprising:
- a plurality of individual sources of radiation;
- a plate having an apertures formed therein, each said aperture facing a respective individual source of radiation;
- and
- means for moving the sources such that they do not face the apertures when no radiation is desired on the side of the plate away from the source.
1 more element
A radiation source comprising:
- a plurality of individual sources of radiation;
- and
- a plate having an apertures formed therein, each said aperture facing a respective individual source of radiation,
- wherein the plate has a thickness that is greater than the smallest dimension of the aperture.
1 more element
Dependencies are inferred from the claim text.