First U.S. Multitom Rax Twin Robotic X-ray installed at Utah hospital

por Lauren Dubinsky, Senior Reporter | June 30, 2016
CT X-Ray
Siemens' Multitom Rax
The University of Utah Health Care in Salt Lake City has become the first facility in the U.S. to install Siemens Healthineers’ Multitom Rax Twin Robotic X-ray system — the world’s first twin robotic X-ray system.

“The new system allows our physicians to provide patient-centered care and perform a much broader array of clinical imaging applications in a single imaging room without ever having to move the patient," Dr. Satoshi Minoshima, chair of the department of radiology at the university, told HCB News.

The Multitom Rax is first system that enables the acquisition of 3-D natural weight-bearing images. It’s preferable to have patients standing for the exam because their knees, pelvis and spinal column appear differently in images when their body weight is applied versus when they lie down.
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The system can be used for trauma, orthopedic, interventional and pain management applications as well as conventional 2-D radiography, fluoroscopy exams and angiography applications. The hospitals benefit because they buy one room and have multiple returns on investment, Pierre Niepel, director of product marketing for radiography and fluoroscopy X-ray products at Siemens, told HCB News at RSNA 2015.

It has a height-adjustable patient table and two independent, ceiling-mounted robotic arms for the X-ray tube head and flat-panel detector. Both can be positioned almost anywhere in the room.

One of the robotic arms controls the X-ray tube and the other arm carries the 17’’ by 17’’ flat-panel detector. The arms can either be positioned automatically or manually, along with servo motor support to make fine adjustments.

Conventional 2-D X-ray systems only show fine hairline fractures in the bone, and patients usually have to undergo a CT exam because a 3-D image can confirm the diagnosis. Since the Multitom Rax can acquire 3-D images, the patient won’t need to be transferred to a CT anymore.

It won’t replace the CT, but it will make it more available for patients with more complex cases who need CT the most, said Niepel.

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