points: 20

Patient Table vs. MRI

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by DangerousDug

submitted November 15th 2012

11 comments
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Patient Table vs. MRI
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comments (11)
I work on MRI's .... that is why I posted this.
5 years ago
And you were there?
5 years ago
Why the fuck was that near an MRI machine in the first place, on or off?
5 years ago
There is no "off" on a MRI machine magnet. They are superconductors that stay energized all the time and cooled with liquid helium. Just someone was careless and brought the bed too close and whoops.
5 years ago
Doug, someone told met the magnet is "charged" in a startup process and it actually takes a while. That's why there is no off mode. Startup would take ages.
5 years ago
Magnet is charged but service personnel like me do it. It is charged up with a great big power supply and cables. Once charged you can basically unplug it and the magnet now stays charged forever unless you ramp it back down or it quenches. The magnet is full of liquid helium which causes the magnet windings to become superconductive. As long as you keep liquid helium in the magnet it should stay charged up.
5 years ago
That's basically the procedure I heard about. Always good to cross reference your information. Thanks doug. How long does it take to fully charge doug ?
5 years ago
Depending on the type of magnet but for the most common type a 1.5 Tesla it takes about 2 hours to charge to full field. 3 Tesla magnet take all day about 10 hours.
5 years ago
Nikola Tesla is a genius.
5 years ago
Electromagnetic pulses can control the human mind.
5 years ago
Would have been better if someone got squished in the process.
5 years ago
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