GE Healthcare · MRExciteSigna
Receiver MUX (Multiplexor) Board Was Redesigned to Reduce Gradient Power Supply Induced Dot Artifact.
Symptom
MRIQ Dot Artifact Sometimes Seen In Middle of Images Acquired When Using 1.5T HD Knee Array Coil. Effectivity: All Signa 1.5T EXCITE HD MR Systems.Problem Description:Three sites using the 1.5T HD Knee Array Coil have reported seeing a dot artifact in the center of images. See attached image. It was quickly determined that the coil was not the cause of the problem.SMILe 12/01/2005
Applies to
- Models
- Excite, Signa
- Product
- Excite Includes Excite 1 and Excite 2, 10.0, 11.0 and 11.1 Software.
- Software
- 11.1 For product 1.5T Excite only. Note, 3T Excite goes with software G3, not 11.0 or 11.1.
- Component
- 2274188-3 RRF MULTIPLEXER WITH LOW PASS FILTER
- Area
- MR
Full cause & step-by-step resolution
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