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Two Magnets Are Cheaper Than One: Stanford Engineers Construct An Inexpensive MRI Scanner

Date:
March 23, 2001
Source:
Stanford University
Summary:
There's a bargain in the basement of Stanford's Packard Electrical Engineering building: a low-cost magnetic resonance imaging (MRI) scanner. The trick, say researchers, is to use two inexpensive resistive magnets instead of an expensive superconducting magnet.

There's a bargain in the basement of Stanford's Packard Electrical Engineering building: a low-cost magnetic resonance imaging (MRI) scanner. MRI scanners take sharp inner pictures of the body including the brain, spine and joints. MRI images provide better contrast in soft tissue like the brain compared with other imaging techniques such as X-ray, CT or ultrasound. But MRI scanners don't come cheap. One whole-body scanner costs $1 million to $3 million, and scan charges can exceed $1,000.


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The above story is based on materials provided by Stanford University. Note: Materials may be edited for content and length.


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Stanford University. "Two Magnets Are Cheaper Than One: Stanford Engineers Construct An Inexpensive MRI Scanner." ScienceDaily. ScienceDaily, 23 March 2001. <www.sciencedaily.com/releases/2001/03/010322232909.htm>.
Stanford University. (2001, March 23). Two Magnets Are Cheaper Than One: Stanford Engineers Construct An Inexpensive MRI Scanner. ScienceDaily. Retrieved April 23, 2014 from www.sciencedaily.com/releases/2001/03/010322232909.htm
Stanford University. "Two Magnets Are Cheaper Than One: Stanford Engineers Construct An Inexpensive MRI Scanner." ScienceDaily. www.sciencedaily.com/releases/2001/03/010322232909.htm (accessed April 23, 2014).

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