• Discovery MR750w and SIGNA™ Architect T 3.0T System Service Methods
  • 5690002-2EN Revision 4
  • Object ID: 00000018WIA30F4EE20GYZ
  • Topic ID: id_13107139 Version: 3.0
  • Date: Aug 29, 2019 1:58:09 AM

GEM MCQA Setup - PV Upper

Prerequisites

Table 1. Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
1Not Applicable30 minutesNot Applicable

The 1.5T GEM Coil MCQA will use the 1.5T phantoms, which are green in color. The 3.0T GEM Coil MCQA will use the 3.0T phantoms, which are pink in color.

Note:

Coils do not ship with phantoms. Phantoms come in a Unified Phantom set with the MR System.

Table 2. Tools and test equipment
ItemQuantityEffectivityPart numberManufacturer
TL Unified Phantom (For 1.5T)2-

5343347

-
TL Unified Phantom (For 3.0T)2-

5343347-2

-
PA Phantom Positioner (For both 1.5T and 3.0T)1-

5405748

-

Procedure

  1. Place the Flat Filler Panel (shown below) on the GEM table.
    Figure 1. Flat Filler Panel
  2. Place the two TL Unified Phantoms on the GEM table, centering them right to left, and ensure the top edge (facing bore) of the first phantom coincides with the edge of the Flat Filler Panel.
    Figure 2. Placement of TL Unified Phantoms
  3. Place the PV Coil on the Flat Filler Panel, making sure the edge of the PV Coil touches the edge of the TL Unified Phantom as shown.
    Figure 3. Edges of PV Coil and TL Unified Phantom
  4. Place the PA Phantom Positioner on top of the TL Unified Phantoms, fitting the alignment block on the PV Coil into the alignment notch on the PA Phantom Positioner as shown.
    Figure 4. Placement of PA Phantom Positioner
  5. Flip the PV Upper unit onto the PA Phantom Positioner, and fasten with Velcro® straps as shown.
    Figure 5. Placement of PV Upper Unit on Phantom Positioner
  6. Connect the PV Coil to Port P2 on the GEM table, landmark the coil in the middle of the latch (shown below) of the PV Coil, and press Advance to Scan.
    Figure 6. Latch on PV Coil
  7. Run the Multi-Coil Quality Assurance Tool. Ensure that the correct coil is selected in the Current Coil field: 1.5T_GEM_PV_Upper (shown below) or 3.0T_GEM_PV_Upper for a 3.0T system.
    Figure 7. MCQA Tool Menu

Finalization

No finalization steps.