X-ray or gamma ray systems or devices – Specific application – Computerized tomography
Reexamination Certificate
2007-03-06
2007-03-06
Thomas, Courtney (Department: 2882)
X-ray or gamma ray systems or devices
Specific application
Computerized tomography
C378S062000, C600S428000
Reexamination Certificate
active
10675302
ABSTRACT:
In a method and device for, generating computed tomography images of a periodically moving organ of an organism, the organ having regions with rest phases and movement phases and the rest phases of different regions ensuing at different points in time, an x-ray source is moved around the body of the organism to be examined to generate projections serving for the image generation during at least one rotation of the x-ray source around the subject to be examined and during a duration that is at least equal to a period of the motion. The projection data are analyzed as to whether the data were acquired during a rest phase or movement phase of a respective region of interest of the organ, and an image of the organ is reconstructed using only data acquired during a rest phase of a respective region of interest of the organ.
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patent: 6381487 (2002-04-01), Flohr et al.
patent: 6504893 (2003-01-01), Flohr et al.
patent: 6650726 (2003-11-01), Sembritzki et al.
Flohr Thomas
Klingenbeck-Regn Klaus
Ohnesorge Bernd
Rienmueller Rainer
Schiff & Hardin LLP
Siemens Aktiengesellschaft
Thomas Courtney
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