X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Reexamination Certificate
2008-11-19
2010-12-21
Song, Hoon (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
C378S009000
Reexamination Certificate
active
07856077
ABSTRACT:
At least one embodiment of the present invention relates to a CT scanner and/or a method for helical scanning of an examination object which has at least one portion undergoing periodic motion. In at least one embodiment, the CT scanner includes at least one bearing apparatus, arranged along a system axis of the CT scanner, for bearing the examination object, two scanning systems which can rotate around the system axis and which are arranged coaxially, respectively having a focus from which a beam can be emitted and a flat-design detector array, arranged opposite the respective focus, including a multiplicity of distributed detector elements which can detect the rays of the beam, wherein projection data can be generated by the scanning systems which represents the attenuation of the rays while traversing the examination object, and wherein the bearing apparatus and/or the scanning systems can be displaced along the system axis, a first device/module, preferably an EKG, which can detect and store rest and movement phases of the examination object which has at least one portion undergoing periodic motion in the form of measurement data, and a second device/module which can, based on the measurement data and/or data derived therefrom, trigger and/or control a displacement of the scanning systems and/or the bearing apparatus along the system axis.
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Bruder Herbert
Flohr Thomas
Harness & Dickey & Pierce P.L.C.
Siemens Aktiengesellschaft
Song Hoon
LandOfFree
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