Dual-Source CT System Reduces Examination Time

A new high-performance, dual-source computed tomography (CT) scanner enables precise diagnostics with reduced radiation and contrast dose.

The Siemens Healthineers (Erlangen, Germany) Somatom Drive CT System is equipped with Straton MX Sigma X-ray tubes and Sigma generators, which allow for more targeted beam focusing and enable examinations using high energy levels at low voltages that allow clinicians to use less contrast. X-ray tube voltages are adjustable in 10 kV increments (ranging from 70 to 140 kV). The integrated iterative reconstruction capabilities, which are coupled with the use of very low kV levels, support an environment where the lowest doses are used for pediatric patients.


The Somatom Drive CT occupies the midrange price point in Siemens' dual-source CT portfolio, and is expected to prove particularly useful in areas such as pediatric imaging and the emergency department, where its low radiation dose and quick scanning speed will confer benefits. The scanner is also designed to support personalized imaging, such as by setting automated protocols based on a combination of the clinical environment and a topogram of the patient.

“Siemens Healthineers is proud to introduce the high-performance SOMATOM Drive dual source CT system, which provides our customers with the flexibility to deliver more precise imaging, and potentially further reduce patient dose through the utilization of multiple KV settings,” said Douglas Ryan, vice president of CT at Siemens Healthineers North America. “Additionally, the scanner’s dual energy mode can help clinicians accurately differentiate between tissue and bone.”

Thanks to the system’s ultra-fast scanning speed, patient’s heart and lung movements do not affect diagnostic imaging quality; elderly patients who present to the hospital with undiagnosed chest pain and breathing difficulties are among the patient populations who could benefit from the ability to breathe freely during scanning. And since a cardiac scan can also be performed in just one heartbeat, beta-blockers may no longer be required to slow heartbeat. The scanner also supports potential CT examinations with no sedation.

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