Monday, November 29, 2010

Siemens CT scanners faster than the fastest CT also 2 x faster

Siemens in November 30 to December 5, at McCormick Place, 94-annual meeting of the Radiological Society of North America (RSNA) on display at the new SOMATOM Definition Flash CT scanning system, this new generation of dual source CT systems have two x-ray tube and two probes, its innovative technology will double source CT technology to a new height.

SOMATOM Definition Flash ultra-scan speed can be a decisive advantage for clinical lead, especially in the chest and heart checked movement organs, rack just 0.28 seconds to rotate a circle, with the new Flash scan mode enables unprecedented CT scan speed (up to 43 cm/s) and time resolution (75ms), its scanning speed than is currently the fastest CT also 2 x faster, and at the same time, the SOMATOM Definition Flash scan the radiation dose is far lower than traditional CT scanner CT heart scanning, general average effective dose to 8 mSv to 40 mSv and Siemens brand new CT scanner the required dose of less than 1 mSv, not only lower than natural background radiation (per person per year to accept from the nature of x-ray radiation, usually 2 mSv to 5 mSv) is lower than the DSA cardiac catheterization radiation dose CT heart scan, into clinical practice.

Siemens Medical CT Dept. CEO Dr. Sami Atiya pointed out: "Somatom Definition Flash not only is the world's fastest CT scanning system, is also the lowest radiation dose scanning system, Siemens CT in the development process, always will reduce radiation dose as a priority, we are very proud of the company once again set a new CT area.

Subsecond heart scan: no need to hold your breath

With new ultra-fast scanning, the system simply zero seconds to complete the chest, heart, or both, synchronized scan (such as pleural scan just 0.6 seconds), and as a result, patients in the scanning process do not need to hold your breath for the elderly, children, emergency patients and intensive care patients check provides tremendous advantages.

The system can also be extremely rapid completion of the whole body scan: for example, high 6 feet 6 inches (1.98 m) patients simply not 4.7 seconds to complete scanning of the whole body, prior to the class-body check from preparing to diagnose patients with at least 10 minutes, using SOMATOM Definition Flash in just a few minutes to complete the entire process, this is a great advantage of diagnosis, especially emergency, because previously due to time constraints, the doctor often had to abandon this large range checking multiple sites; in addition, children in check before no longer taking tranquilizers, because they don't have to like in the past, conventional CT scans need to remain stationary.

This quick scan can also be capable of producing up to 48 cm 4D Imaging areas previously subject to conventional CT detector width restrictions, the maximum range of only 4D Imaging 16 cm.

The lowest radiation dose for flexible heart check

Introduction of the new system, the entire heart scan just 0.25 seconds, less than a half of the cardiac cycle, in addition, the doctor without using β receptor Blocker control heart rate that is capable of reliably display heartbeat too quickly or uneven heart rate, simplifying work processes and clinical aspects and economic benefits.

With extremely fast scanning speed, the shorter exposure time, SOMATOM Definition Flash bringing mSv-radiation dose of Cardiac CT Imaging a reality, as opposed to take 8 mSv to 40 mSv radiation dose of conventional CT cardiac imaging, this significantly reduces the radiation dose, first realized the "green heart CT"-radiation dose than natural background radiation also low three times. SOMATOM Definition Flash is the only available to non-invasive cardiac diagnosis technology in clinical practice and have very low radiation doses of CT scanning system.

General enhancements to double check the accents

Second-generation dual energy imaging system will provide completely new imaging quality, without increasing the dose of CT accents will be significantly increased, mainly through the use of new, select performance spectrum filter (SPS) irresistible spectroscopy x-ray superfluous, this device will improve dual energy Imaging (GN + low-energy x-ray synchronized scan) identification of the Organization, and radiation dose not higher than conventional single-tube CT dose.

SOMATOM Definition Flash enables clinical application of universal CT to double check the image quality; for the first time enables dual-energy organizations chemical composition analysis into clinical practice; Moreover, no need to perform the ping scan, dual-energy technology to take advantage of enhanced image virtual computing out of plain images.

Radiation sensitive organ dose protection

X-CARE technique is to minimize radiation dose for patients with other technological achievements, this technology is the first time to selectively reduce the female breast, radiation dose of radiation sensitive organ.

During the scanning process, when the x-ray tube rotation-sensitive organs of direct radiation, radiation will be closed automatically, using this method, you can make sensitive organ dose reduction of 40 per cent; in addition, asymmetric shield acquisition technology (ADS) you can use dynamic x-ray shielding device blocking helical scan start and end of x-ray radiation, it also makes regular checks by 25 per cent of the radiation dose; CARE Dose4D real-time analysis of the various parts of the structure, appropriate to adjust the amount of x-ray radiation, also help reduce radiation dose.

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