• SIGNA™ Hero 3.0T Service Methods
  • 5852800-8EN Revision 1.0
  • Object ID: 00000018WIA30C59110GYZ
  • Topic ID: id_2004253 Version: 9.1
  • Date: Jul 13, 2021 3:56:30 PM

Setting up 48-channel head coil

Set up the 48-channel head coil for the Multi-Coil Quality Assurance (MCQA) check.

Prerequisites

The 3.0T coil MCQA uses 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 system.
Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
1-30 minutes-
Tools and test equipment
ItemQuantityPart numberManufacturer
Large Cylindrical Unified Phantom (for 3.0T)15342679-2-
TL Unified Phantom (for 3.0T)15343347-2-
MCQA Phantom Positioner (shipped with 48-channel head coil)15756144-
Safety

Before working in any GE Healthcare MR suite or performing any GE Healthcare service procedure, you must:

  • Have read and understood all hazard conditions and safety requirements in the latest revision of the GE Healthcare MR Service Safety Manual (5452735).
  • Have successfully completed all relevant GE Healthcare Environmental Health and Safety (EHS) courses (or for non-GE employees, equivalent workplace training courses).
  • Comply with all site-specific training and workplace safety requirements.

If you have any safety concerns at any time, do not begin work or immediately stop work and move to a safe location. Immediately contact your supervisor or site safety officer for instructions on how to proceed.

Procedure

  1. Remove the flat filler panel from the table, if present.
  2. Place the 48-channel head coil posterior unit on the table and connect the coil to port P2 on the table.
    Figure 1. Placement of 48-channel head coil posterior unit
  3. Place the 48-channel head coil phantom positioner into the 48-channel head coil posterior unit, then place the large cylindrical unified phantom and TL unified phantom into the 48-channel head coil phantom positioner.
    Figure 2. Placement of large cylindrical and TL unified phantoms
  4. Place the anterior of the coil on top of the posterior half of the coil.
  5. Lock the anterior portion to the posterior portion by rotating the lock handle counterclockwise so that it points to the lock symbol.
    Figure 3. Lock of 48-channel head coil anterior and posterior units
  6. Connect the anterior coil to port P1 on the table.
    Note: Do not allow cable to loop on itself or contact any other cables.
    Figure 4. Connection of 48-channel head coil anterior and posterior units
  7. Landmark the coil at the crosshair mark and press Advance to Scan.
    Figure 5. Landmarking coil
  8. Run the MCQA check.
    Note: Select 3.0T_48Ch_HEAD_by_GE (or equivalent platform option) in the Current Coil field.
    Figure 6. MCQA tool menu