Posted on 11/12/2014 3:53:06 PM PST by steve86
A person that carries an oxygen cylinder into an MRI facility probably would not know a gauss from a farad from a tesla from a mho.
As I recall, the superconducting magnetic field is storing the power. No need for external power at that point. They would have simply flipped a breaker if it were that easy.
The photos are hilarious!
There’s a “I’ve fallen and I can’t get up!” joke in there somewhere.
She's not very forgiving to idiots in technology fields.
/johnny
They’re usually painted in colors on the floor with warning next to them.
I blame the facility manager for allowing someone with that level of training to even have a badge to get IN the room with the equipment.
Maybe someone will put the technology to use and develope the prison of the future. Better have a back up generator for power outages though.
Discover the ‘M’ in ‘R.I.’ !
” I was thinking “stuck IN” MRI machine for 4 hours. I would be dead after 4 hours IN an MRI machine! My claustrophobia would have killed me.”
—
That was my first thought-—sheer,unadulterated horror for me.
.
Tesla (T)
Yeah.. and I need a 50 Farad cap.....
No thanks. I prefer to deal with itty bitty stuff. Much safer that way.
/johnny
I finally cured it after years.
For a long time I wore an eye mask like you wear to sleep. I just knew to keep my eyes closed.
Then Cedars Sinai started started showing movies and Tv inside the MRI machine.
After awhile, I’d had so many, I just don’t care. I shut my eyes, but if they open, I’m OK.
/johnny
By opening a valve the liquid helium heats up quickly, turns back to a gas and the magnetic field is lost. Doing a quench (releasing the helium from the cryostat) is something every tech, nurse, and doctor who works around an MRI is trained to do and is MRI safety 101
Some (students?) testing the magnetic field of an MRI machine:
http://www.youtube.com/watch?v=6BBx8BwLhqg
The quench button malfunctioned.
“A person that carries an oxygen cylinder into an MRI facility probably..” should let it go when they start getting pulled into an MRI machine.
When I read the first couple paragraphs it started to sound like the same type of story as someone getting stuck on an escalator.
Reading random MRI safety cut sheets, seems there is a “magnet quench” or similar E-safety function. Expensive to use it, but it works.
I recently did an inspection in a mobile facility for MRIs. They told me to stay out of the MRI room, so I did.
But there weren’t any lines on the floor or other safety warnings, just a sign on the entry door.
I remember hearing of a police officer being stuck to a MRI machine. He was responding to a “open door” alarm at a outpatient MRI center when he got too close to the machine and was stuck by his duty weapon, cuffs and belt. He managed to wriggle out of his duty belt, but then had to wait several hours before he could retrieve his equipment while they found a tech. who could power down the machine.
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