Method and tomography unit for taking tomographic pictures...

Details Method and tomography unit for taking tomographic pictures... Method and tomography unit for taking tomographic pictures...

2008-05-06

2008-05-06

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S095000, C600S428000

Reexamination Certificate

active

07369639

ABSTRACT:
A method and a tomography unit are disclosed for taking tomographic pictures of a patient's beating heart, in particular X-ray CT pictures. In such a method and tomography unit, only detector data or image data of a portion of the cardiac phase from one or more heart beats is used for taking a picture. Further, at least one pressure signal, produced by the mechanical cardiac pulse and varying temporally with the cardiac cycle, is used for determining the cardiac phase.

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Th. Flohr, B.Ohnesorge: “Heart Rate Adaptive Optimization of Spatial and Temporal Resolution for Electrocardiogram-Gated Multislice Spiral CT of the Heart”, Journal of Computer Assisted Tomography, vol. 25, No. 6, 2001, S.907-923.

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