SIGNA MR355 / SIGNA MR360
Service Manual
5856356-3EN Revision 5.0
Basic Service Documentation. Copyright General Electric Company.
Object ID: 00000018WIA30101F20GYZ
Topic ID: id_13107057 Version: 4.0
Date: Mar 23, 2020 2:46:19 PM

1.5T 12-Channel Body Array Coil Setup for MCQA Test

Prerequisites

Table 1. Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1: Unified Phantom or 2: Legacy Phantom (HDx/HDxt only)	Not Applicable	30 minutes	Not Applicable

Table 2. Tools and test equipment
Item	Quantity	Effectivity	Part number	Manufacturer
Legacy Phantom Kit (HDx/HDxt Only)	1	Legacy Phantom Set	2377425-3	-
TL Unified Phantom	2	Unified Phantom Set	5343347	-

Table 3. Required conditions
Condition	Reference	Effectivity
The following coil configuration names must be installed to run this tool: `GE_HDx BodyUpper` and `GE_HDx BodyLower`.	-	-
The following coil configuration names must be installed to run this tool: `GE_HDx BodyUpper` and `GE_HDx BodyLower`.	-	-
The following coil configuration names must be installed to run this tool: `GE_HDx BodyUpper2` and `GE_HDx BodyLower2`.	-	-

About this task

Follow this process to prepare for the automated SNR test using the 12-Channel Single or Dual Connector Body Array Coil by GE/USAI.

Note:

Coils do not ship with phantoms. Phantoms come in a unified phantom set with the MR system.

MCQA Setup for Legacy Phantom Kit

Procedure

CAUTION

PERSONAL INJURY - LIFTING HAZARD

THE PHANTOM WEIGHT FOR P/N 2377425-3 IS GREATER THAN 35 POUNDS.

The Phantom requires two people working together to safely lift it into place.

Note:

If installing the coil for the first time in a system, refer to Auto Coil Install.

Position the coil in the cradle and connect the cable as shown in Figure 1.

Note:

Photograph is of the HDx single connector coil. The dual connector will be positioned in the same fashion, but the cable from the anterior will go to receptacle A and the cable from the posterior will go to receptacle B.

Place a phantom in the coil as shown in Figure 2.

Figure 2. Phantom Placement and Positioning
Landmark on the coil crosshairs as shown in Figure 3. Do not landmark on the cross.

Figure 3. Landmarking Coil
Perform the Multi-Coil Quality Assurance Tool procedure.

TL Unified Phantom Setup

Procedure

Place the posterior section of the coil on the table. Place the TL unified phantoms over the posterior section as shown in Figure 4 such that the phantoms are well centered on both S/I direction as shown in Figure 5 and R/L direction as shown with arrows in Figure 6.

Figure 4. TL Unified Phantoms Over Posterior Section

Figure 5. TL Unified Phantoms Centered on Posterior S/I Direction

Figure 6. TL Unified Phantoms Centered on Posterior R/L Direction
Place the anterior section on the phantoms such that the coil is well centered in both S/I and R/L directions with respect to the phantom set as shown in the Figure 7 and Figure 8.

Figure 7. TL Unified Phantoms Centered on Anterior S/I Direction

Figure 8. TL Unified Phantoms Centered on Anterior R/L Direction
Fasten the Velcro straps so that the coil firmly snugs the phantoms.
Connect the coil to Port A of the system LPCA. Landmark the coil at the center cross mark as shown in the following illustration and advance to scan.

Figure 9. Landmarking Coil
After coil and phantom are properly positioned, perform Multi-Coil Quality Assurance (MCQA) Tool.

Finalization

No finalization steps.