Siemens Aktiengesellschaft

Siemens Mobility Gmbh

Gunter Hahn

Julius Brunner

Horst Bruening

Helge Molthan

Jürgen Bechmann

Albrecht Baer

Sebastian Terfloth

Martin RÜHL

Roland Edel

Marcel Leupold

Armin Wolf

Ulrich Biege

Jens Krumpolt

Tim-Robert Neumann

A computer tomography apparatus has an x-ray source with a focus, with the focus being periodically deflected during data acquisition, specifically during mean value formation of the signals obtained by the radiation detector. The mean value formation is not undertaken simultaneously for all detector elements, but instead is undertaken chronologically offset from detector element to detector element. A memory in which the analog measured values available at the end of an interval would be stored is thus not needed.

Computer tomography apparatus with periodic focus deflection

A tomographic apparatus has a rotatable part mounted for rotation in a track of a stationary part. The apparatus has a radiation field generating element which requires cooling, and has a coolant circulator for that purpose. As a further part of the cooling system, the coolant is circulated around the exterior of the rotatable part in the vicinity of the track, and a number of cooling fins in heat-transferring communication with the coolant project into the track for dissipating heat from the coolant. An additional coolant may be circulated within the track for assisting in removal of heat from the cooling fins. The rotatable part may be further provided with a transmitting antenna, and the stationary part provided with a receiving antenna, for transmitting signals between those parts relating to examination of a subject.

Cooling system for a tomograph apparatus

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Neunkirchen Am Brand, Germany

Gunter Hahn