Phantom Image Test - 3.0T Mri System - QED Shape Coil Operator's Manual

(13) Obtain the SNR for the acquired images and confirm the measurement SNR is pass or fail
the specification for section 1.
Specification for section 1
SNR  70
(14) Perform SNR measurement for section 2 and subsequent sections. The couchtop position
for measurement and the required SNR for each section are specified in the table below.
Repeat steps (4) to (12) for each section.
Section 2:
Section 3:
Section 4:
4.2 Phantom Image Test – 3.0T MRI System
Use the following procedure for 3.0T MRI Systems.
Before starting the image test, measure the temperature of the shield room. The image test can
be performed using the automatic SNR measurement tool.
Coil
Shape Coil
The procedure for performing the image test without using the automatic SNR measurement
tool is described below.
(1) Place the system mat and phantoms on the couchtop as shown in the figure below. At this
time, place the phantoms so that their bases are in contact with each other.
21 | P a g e
Couchtop position indicator on
the operating panel
55
-55
-200
Phantom
10-L oil phantom  2
SNR
specification
70
70
70
Part number
BSM41-4885
6000921 Rev. 1