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 Your Guide to Medical Imaging Equipment

Enjoy these tips, tricks and insights that answer 100's of questions we've received from radiology and imaging professionals that need help buying, selling, servicing and maintaining their medical imaging equipment: MRI, CT, C-Arm, Digital X-ray, PET/CT and Women's Health. We extend the life of imaging equipment so that healthcare providers worldwide can extend the lives of patients. This is why we answer your imaging equipment questions.

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Siemens Mobile MRI Machines Compared

Posted by Zack Mitchell

Apr 19, 2019 1:33:00 PM

:: 2 minute read ::

siemens-mobile-comparisonSiemens is a very popular manufacturer when it comes to which MRI machines mobile providers are installing in their trailers. Because of this, one of the questions we often receive from prospective mobile renters is, “What are the differences among Siemens’ 1.5T systems?”

To help answer that question, below we’ll compare the four 1.5T Siemens MRI systems you’re most likely to find in a mobile setting. 

Siemens Symphony

The 4-channel (also available in a version with an 8-channel head) Symphony is very common in the market. Its tenure and popularity bring several benefits to renters: high parts and service availability, a range of gradients from Turbo, to Ultra, Sprint, and Quantum, and amplitude/slew rates of 25-125. One of the largest benefits though, is economy. The Symphony is a reliable workhorse, but with a few more years under its belt, comes in on the lower end of the rental price spectrum.

Siemens Avanto

The Avanto hits the sweet spot of affordability, availability, and capability. In addition to Q-Engine and SQ-Engine gradients with amplitude/slew rates between 125 and 200, it features Siemens’ Total Imaging Matrix (TIM) advancements in a 60cm bore system. Images form the Avanto are a favorite for many radiologists. The 60cm bore and incredible magnet homogeneity empower a mobile Avanto to provide stunning pictures. 

Because the Espree was introduced at roughly the same time, the supply of Avanto mobiles is still low, pushing the cost to rent an Avanto to a bracket just below the Espree.

Siemens Espree

The Espree is showing up in the mobile market with more regularity these days. With a 70cm bore and TIM technology, these are high-performance systems. Unique to the Espree is a very short bore length (125cm vs. the typical 145cm), enabling head-out or feet-first scanning for most exams- a CT-like level of comfort.

This model also features an efficient zero boil-off magnet. With a cryogen refill interval of approximately 10 years, the helium budget for an Espree is far lower than many traditional magnet types.

The Espree’s TIM technology allows for coils to be “daisy-chained” together for multiple studies to be performed simultaneously. This reduces the amount of time a patient must spend in the bore.

The 70cm bore proves to be the best in its class for mobile applications, allowing studies for claustrophobic and obese patients, even in a mobile setting. 

More Details on the Siemens Espree

Siemens Aera

The Aera is the latest Siemens 1.5T MRI to begin emerging in the mobile market. Aera introduces a redesigned Total Imaging Matrix (TIM) platform known as “TIM 4G”. In this case, 4G refers to the added coil elements and exceptional SNR that results from DirectRF technology (cable-less coils). Combine TIM 4G with daytime optimization throughput (DOT) and you can reduce scan times by up to 50% using customizable scans for every patient.

From wide-bore to the XQ gradient package, this MRI has it all. The gradients on the Aera are Siemens’ best yet, the XJ/XQ engines, producing amplitudes/slew rates of 125-250.


The Takeaway

If Siemens’ continuous push to grow and improve MRI technology has you leaning their direction for your next rental, there’s a model to fit any clinical need and any budget. If you have questions about these models or other mobile imaging needs, we would be honored to help. Contact us with the button below to tell us what you’re looking for!

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Written by Zack Mitchell

author of blog post

Zack Mitchell is VP of Block Mobile Imaging. His hope is that, by serving imaging facilities as they begin or transition, he can be a part of creating momentum toward incredible healthcare. Out of the office, Zack enjoys time with his wife and sons, mowing the lawn, and supporting Chicago Cubs baseball.

Topics: MRI, Imaging Equipment Rental, Mobile Imaging Equipment

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