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Siemens installs the world’s first adaptive CT scanner system

Siemens Healthcare Deutschland : 19 November, 2007  (New Product)
A Siemens CT scanner that adapts to virtually any patient and clinical need has recently been installed at the University Hospital Trauma Center at Erlangen, Germany.
The system is suitable for routine diagnostic work as well as for more complex examinations in, for example, oncology, neurology and cardiology.

The system is also ideally suited for emergency situations where speedy diagnosis for accident, stroke or heart attack patients are concerned. Even difficult patients obese, claustrophobic and children are quickly scanned with high diagnostic confidence. Not only will all clinical situations be accelerated but also examinations of seriously wounded patients will permit faster application of life-saving treatments.

The Somatom Definition AS is the first scanner to combine such dynamic components as the Adaptive Dose Shield with a scan field of up to 200cm and the 78cm gantry opening. The sgield allows fast and problem-free head-to-foot scanning, even for poly trauma patients.

The unequalled high temporal resolution of up to 150ms combined with extremely fast coverage with up to 128 slices per rotation makes crystal-clear images possible, free of movement artifacts, of even the finest anatomical details. This permits highly accurate measurement of stenosis and/or precise planning for Stent implantation. Another outstanding feature is the new Adaptive 4D-Spiral.

The continuous movement of the patient table permits a larger area to be imaged so that entire organs and their functions can be examined with a single scan. In a stroke situation, for example, the entire brain perfusion can be displayed. With previous systems, only a portion of the affected organ could be imaged.

“We hope we can diagnose stroke earlier than before. Time is brain. The earlier we get the patient to therapy, the better”, said Werner Bautz, MD, director of the Institute for Radiology and medical director of the University Hospital Erlangen.

Minimal invasive procedures will also become faster and more certain. Biopsies of suspicious tumour tissues can, for the first time, be performed with the help of 3D image guidance. Accurate needle positioning will thereby become clinical routine. The flexibility of the Somatom Definition AS in virtually all clinical situations and with virtually all patients improves workflow and facilitates the integration of CT-imaging into the clinical care process.

“A Somatom Definition CT scanner can be used as well for stroke diagnosis, can function as a non-invasive Catheter laboratory or as a tool for therapy management with cancer patients or even as an intervention suite all according to the need of the individual patient,” said Dr Bernd Montag, head of the CT division, Siemens Medical Solutions. “All of these advances work to improve the quality and efficiency of health care while keeping the cost down.”

Complete dose protection in all exams with Adaptive Dose ShieldWith its Adaptive Dose Shield, the Somatom Definition AS avoids all unnecessary X-ray radiation in all examinations.

Up to now, increases in detector size meant increased radiation before and after the clinically relevant scan area as well. But now, Siemens Adaptive Dose Shield blocks unnecessary radiation assuring that the patient will be exposed only to clinically relevant dose. In spite of its high performance, the Somatom Definition AS, whether 40-slice, 64-slice or 128-slice, adapts to the space of its customers. With its 18-qm footprint, it fits nicely into rooms that often were too small for high-end scanners.

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