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Joined: Jun 2005
Posts: 4
Newbie
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Newbie
Joined: Jun 2005
Posts: 4 |
That is absolutly not true. The Magnetic field will adversely effect an electronic pump, causing inacuracy, false alarms or the pump to stop completely. Medex is approved for use in the MRI. Do you want to risk your patients life by using an pump off lable? Of course, when you do that, you have to load the pump outside the scanner, as you have to remove them from the caddy to do so, and if you are in the room, they can be pulled into the bore. That slows flow through time. It may be fine for sedation started in the room, but if the patient comes to MRI on a Heparin drip, how do you get the bag of heparin and tubing into the MEDEX syringe pump? By risking infection by drawing up heparin out of the bag into a syringe, disconnecting the original infusion and connecting the one from the syringe pump.
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Joined: Feb 2005
Posts: 11
Novice
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Novice
Joined: Feb 2005
Posts: 11 |
"but if the patient comes to MRI on a Heparin drip, how do you get the bag of heparin and tubing into the MEDEX syringe pump?"
Medex pumps ARE approved for use in MRI WITHOUT any cage or case whatsoever and can be loaded, programmed and viewed quite normally.
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Joined: Jun 2005
Posts: 4
Newbie
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Newbie
Joined: Jun 2005
Posts: 4 |
Yes, they are approved, but that does not answer the question of how to quickly and easily transition a Heparin drip (0r other critical medication infusion) from the hospital large volume pump and bag already infusing to the syringe that is needed for the MEDEX syringe pump. They are a great pump for sedation purposes.
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Joined: Mar 2012
Posts: 104
Savant
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Savant
Joined: Mar 2012
Posts: 104 |
Hello flivrn,
You are correct that the electronic pump may malfunction if placed very close to the MRI scanner.
But we have never had issues with the MEDFUSION 3500 pumps in the MRI scanner room if placed outside of the 5 Gauss line this goes for both 1.5 T and 3 T scanners. We have not had a single case where the MEDFUSION 3500 has malfucntioned or given inaccurate readings or adversely effected the pump mechanism once placed at certain safe distance from the MRI bore area.
We use these pumps for Propofol infusion and not a single case have we had any issues while scanning the patient. You can place these pumps in a Copper or Aluminium shielded box and they work fine as well.
The only issue you might have when placing these close to the main bore area of the scanner is inducing noise interference into the MRI images. Otherwise if placed outside of the 5 Gauss Line you will not have any issues with non compatible MRI infusion pumps.
Thanks Tim
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Joined: Feb 2004
Posts: 14,798 Likes: 71
Super Hero
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Super Hero
Joined: Feb 2004
Posts: 14,798 Likes: 71 |
That's nice information, Tim. But don't expect a response from flivrn any time soon. It's been seven years since we saw him (her?) on here! 
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Joined: Jul 2002
Posts: 2,020
Hero
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Hero
Joined: Jul 2002
Posts: 2,020 |
Flivrn Is this short for: FLorida IntraVenous Registered Nurse? I do not think you are being unbiased and probably trying to be commercial. The company you "recommend" is in Florida. There are rules on this site about commercial advetising and you seem to be breaking them.
Huw, you might want to consider blocking flivrn.
THE BBraun Perfusor/Infusor range can be used in the MRI environment if they are in the MRI compatible box they provide (sell). This is especially useful if you use this pump as standard in the hospital as you do not need a dedicated pump with the inherent problem and risk of swapping syringes.
Robert
My spelling is not bad. I am typing this on a Medigenic keyboard and I blame that for all my typos.
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Joined: Jun 2000
Posts: 2,412 Likes: 12
Hero
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Hero
Joined: Jun 2000
Posts: 2,412 Likes: 12 |
Huw, you might want to consider blocking flivrn. He/she hasn't logged on since that post - but point taken.
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