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Siemens Medical Solutions, San Francisco, has introduced the SOMATOM(TM) Sensation Cardiac 64, the first 64-slice computed tomography (CT) scanner particularly optimized for cardiac, thoracic and vascular imaging. With a standard gantry rotation speed of 0.33 seconds, the new scanner routinely achieves a temporal resolution up to 83 milliseconds (ms), and thus facilitates scanning of patients even with higher heart rates, virtually freezing the heart's motion.

The industry's fastest gantry rotation speed of 0.33 seconds will also become available as an option for cardiac and advanced body CT applications on the SOMATOM Sensation 64, which was first introduced at the RSNA 2003 and which comes with a standard 0.37 seconds rotation time.

"The combination of the fast rotation speed of 0.33 seconds with 64-slice acquisition now enables an ECG-gated coverage of the entire chest in a short 20 seconds breath-hold. For the first time this CT performance allows for the evaluation of the most common causes of acute chest pain with a single scan," said Richard Hausmann, Ph.D., president, CT Division, Siemens Medical Solutions.

Utilizing Siemens' unique z-Sharp(TM) Technology, the SOMATOM Sensation 64-slice scanners deliver optimal image quality in advanced body and cardiovascular imaging applications with a spatial resolution of 0.4 millimeters (mm), allowing clear visualization of even finest anatomical detail. z-Sharp Technology combines rapid movement of the X-ray source in the STRATON(R) tube with the 64-channel UltraFastCeramic (UFC(TM)) detector design. This enables a virtual doubling of the amount of slices acquired per rotation and thus is designed to provide substantially enhanced spatial resolution and image quality without an increase in X-ray dose. The system's temporal and isotropic spatial resolution may now allow for virtually motion free evaluation of peripheral segments of the coronary arteries, including plaque evaluation and improved follow-up assessment of stent patency with a high confidence.

"In my opinion, with this level of spatial and temporal resolution, the Siemens 64-slice CT scanners have set a standard to which other systems will be measured. The future of volume imaging for cardiac and non-cardiac imaging has now arrived," said Elliot Fishman, M.D., professor of Radiology at the Johns Hopkins University in Baltimore.

As proven by the world's first clinical images from a 64-slice CT system, which Siemens released in May 2004, the SOMATOM Sensation 64 already sets a new benchmark in imaging with its ability to visualize the smallest intracranial, pulmonary, mesenteric and peripheral vessels in less than ten seconds.

After completing a comprehensive testing phase at leading clinical institutions in the Unites States, Europe and Asia, the 0.33-second rotation time on Siemens' SOMATOM Sensation 64-slice scanners will be commercially available in fall 2004.

Siemens Medical Solutions of Siemens AG (NYSE:SI) with headquarters in Malvern, Pennsylvania and Erlangen, Germany, is one of the largest suppliers to the healthcare industry in the world. The company is known for bringing together innovative medical technologies, healthcare information systems, management consulting, and support services, to help customers achieve tangible, sustainable, clinical and financial outcomes. Employing approximately 31,000 people worldwide and operating in more than 120 countries, Siemens Medical Solutions reported sales of 7.4 billion EUR, orders of 7.8 billion EUR and group profit of 1.1 billion EUR for fiscal 2003.

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Publication:Biotech Equipment Update
Date:Aug 1, 2004

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