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| Result: Searchterm 'My'
found in 182 messages |
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More Results:  Database (48) News Service (92) Resources (45) |
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Zhang Lifeng
Sun. 21 Aug.05,
15:00
[Reply (2 of 3) to:
'material with 'zero' magnetic susceptibility'
started by: 'Karsten Miesel'
on Tue. 17 Aug.04]
 Category:
Basics and Physics
|
| material with 'zero' magnetic susceptibility |
I think Ti is a good material, for my service tools are made of Ti and I never feel any external force acts on my tools when I work near the Magnet.
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|  View the whole thread | | |
Tomas Randell
Mon. 20 Jun.05,
19:38
[Reply (1 of 3) to:
'Metalic particles into the cornea'
started by: 'Jorge Cazal'
on Mon. 13 Jun.05]
Category:
Safety
|
| Metalic particles into the cornea |
For my personal opinion, it is not to expect that these microscopic steel particles are a contraindication for an MRI of the head. An injury of the patient by dislocation or
torque presents not a real risk because of the small size.
The possibility of heating is minimal and can be additional lowered by reducing the SAR. Artifacts may reduce the image quality a little, but diagnostic brain imaging is certainly possible. The use of a mid or low field MRI machine will also reduce any risks.
Hope this will help.
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Jorge Cazal
Mon. 13 Jun.05,
17:06
[Start of:
'Metalic particles into the cornea'
2 Replies]
Category:
Safety
|
| Metalic particles into the cornea |
Dear Friends:
We are working in a Ophthalmology Department at Institut Universitari Dexeus-USP in Barcelona.
We received a patient who was treated for myopia some time ago using a LASIK technique ( Laser In situ Keratomileusis) as you probably know, cornea was sliced and lasered using a microkeratome however blade oscilation in the past eventually spread into the interface particles comming from steel inox blade´s.
Could this affect an MRI of Head, is this a contraindications, ( particles are microscopic/multiple and are interlamellar into cornea )
Thank you for your input
Kind Regards
Jorge Cazal;MD
Cornea & Refractive Surgery Unit
Institut Universitari Dexeus-Barcelona
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tina muthana
Thu. 14 Apr.05,
22:44
[Start of:
'diffusion MRi'
1 Reply]
Category:
Basics and Physics
|
| diffusion MRi |
Hi
My name is Tina and I am currently studying Diffusion weighted MRI. I was wondering if anyone could elaborate on the effect of introducing a slice selection gradient along with the diffusion gradient on the signal attenuation. Also if there are any sites that could explain it, I would appreciate the information.
Thank you.
-TIna
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Zhenghui Zhang
Thu. 24 Jun.04,
22:01
[Start of:
'coil configuration'
3 Replies]
Category:
Coils
|
| coil configuration |
I am using a GE signa 1.5T scanner. I want to use my surface coil to transmit, and use body coil to receive signal. Does anyone knows how I should setup the coil configuration file, and tune the system?
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