Fluke 76-908 Manual de usuario

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Nuclear Associates
76-907 and 76-908
AAPM MRI Phantoms
Users Manual
March 2005
Manual No. 38616 Rev. 3
©2003, 2005 Fluke Corporation, All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies
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Indice de contenidos

Pagina 1 - 76-907 and 76-908

Nuclear Associates 76-907 and 76-908 AAPM MRI Phantoms Users Manual March 2005 Manual No. 38616 Rev. 3 ©2003, 200

Pagina 2 - 440.498.2564

Nuclear Associates 76-908 & 76-907 Operators Manual 1-6 The flood phantom has a uniform solution, the image of which can be used to measure t

Pagina 3 - Table of Contents

OperationPhantom Preparation2 2-1Section 2 Operation 2.1 Phantom Preparation The phantoms can be shipped filled with solutions or solutions can be

Pagina 4 - (Blank page)

Nuclear Associates 76-908 & 76-907 Operators Manual 2-2 2.2 Preparation for Scanning 2.2.1 Positioning the Phantom The 3DRAS phantom can be

Pagina 5 - General Information

OperationTests with 3D Resolution and Slice (3DRAS) Phantom2 2-3resonance frequency adjustment and some may be completely automated. Resonance freq

Pagina 6

Nuclear Associates 76-908 & 76-907 Operators Manual 2-4 • The high contrast resolution should remain constant for repeated measurements und

Pagina 7

OperationTests with 3D Resolution and Slice (3DRAS) Phantom2 2-5direction) is measured and related to the slice position. For a 45° ramp, the dist

Pagina 8

Nuclear Associates 76-908 & 76-907 Operators Manual 2-6 Figures 2-2 and 2-3 represent two adjacent sagital views of the phantom. The resolut

Pagina 9 - Not To Scale

OperationTests with 3D Resolution and Slice (3DRAS) Phantom2 2-7Figures 2-4 and 2-5 show two adjacent coronal views of the phantom. The slice thick

Pagina 10

Nuclear Associates 76-908 & 76-907 Operators Manual 2-8 Figure 2-6 shows a resolution hole image against a background less opaque than in pr

Pagina 11 - Operation

OperationTests with 3D Resolution and Slice (3DRAS) Phantom2 2-9Figures 2-7 and 2-8 show an example of the slice thickness measurement analysis. A

Pagina 12 - 2.2 Preparation for Scanning

Fluke Biomedical Radiation Management Services 6045 Cochran Road Cleveland, Ohio 44139 440.498.256

Pagina 13 - 2.3.2 Signal-To-Noise Ratio

Nuclear Associates 76-908 & 76-907 Operators Manual 2-10 2.4 Tests With Uniformity and Linearity (UAL) Phantom 2.4.1 Image Uniformity Image

Pagina 14 - 2.3.4 Slice Thickness

OperationTests with Uniformity and Linearity (UAL) Phantom2 2-11 (2) Non-linear magnetic field gradients Variability is best observed over the l

Pagina 15 - 2.3.6 Example Images

Nuclear Associates 76-908 & 76-907 Operators Manual 2-12 DC-Offset Errors DC-offset errors typically appear as a single bright pixel (someti

Pagina 16 - Figure 2-2

OperationTests with Uniformity and Linearity (UAL) Phantom2 2-13 Figure 2-9

Pagina 17 - Figure 2-4

Nuclear Associates 76-908 & 76-907 Operators Manual 2-14 Figure 2-10 is a flood image showing the uniformity of signal intensity. Field non-

Pagina 18

OperationTests with Uniformity and Linearity (UAL) Phantom2 2-15Figure 2-12 is an image of the signal bubble for quadrature error. If there were

Pagina 19 - Figure 2-7

Fluke Corporation Radiation Management Services 6045 Cochran Road Cleveland, Ohio 44139 440.498.25

Pagina 20 - 2.4.1 Image Uniformity

iTable of Contents Section 1: General Information... 1-1 1.1 Intr

Pagina 22 - 2.4.5 Example Images

General InformationIntroduction1 1-1Section 1 General Information 1.1 Introduction This user's manual describes a set of MRI phantoms that we

Pagina 23

Nuclear Associates 76-908 & 76-907 Operators Manual 1-2 1.2.1 3D Resolution and Slice (3DRAS) Phantom (Model 76-908) The 3DRAS phantom has

Pagina 24

General InformationPhantom Description1 1-3 Figure 1-3. Resolution Sections in Three Imaging Planes The slice-thickness phantom consists of tw

Pagina 25

Nuclear Associates 76-908 & 76-907 Operators Manual 1-4 A ramp-crossing angle of 90° yields an angle of 45° between the ramp and the imaging

Pagina 26

General InformationPhantom Description1 1-5MR Phantom for Spatial Linearity, Signal-To-Noise, and Image Artifact Figure 1-6. UAL Phantom MRI P

Modelos relacionados 76-907

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