Multiple soft band artifacts on all images.
Symptom
Multiple soft band artifacts on all images. Redoing cals hides the problem - document in RFS - critical issue See long description for artifact Multiple soft band artifacts on all images with circle in circle in center of some images. Re-doing cals would alleviate artifacts for short time but they would start to return after a few hours. Artifact would appear on all images of an 8i mode scan done on the water phantom. These are pictures of the artifacts as they appeared on a water phantom scanned on 8i mode, 140kv 200ma. These are 8 sequential scan images, with last picture showing ROI measurements on image 4.
Applies to
- Models
- HiSpeed
- Product
- HiSpeed CTi 6.X HiSpeed CTi 6.X with Octane and HSA Gantry HiSpeed CTi 6.X with Octane and HSA Gantry Links to the updated Product Service Manuals, FMIs, Service Notes, Option Manuals and Operator Documents can be found online at the attached sites. Always use the most appropriate documentation for your system.
- Component
- 2291444 CTI Collimator Filter for 46-296300G3 or G4 Collimator ------ old filter 46-296219P1 is obsolete See long description for FEMC info and picture CTI Collimator Filter 2291444 for 46-296300G3 or G4 Collimator ------ old filter 46-296219P1 is obsolete picture Part #: 2291444 Part Type: GP CONSUMABLES Part Weight: 1.00 LBR Repairable: No Returnable: No Hazardous Material: N Description: HSA G3 TO G4 COLLIMATOR UPGRADE KIT FRU: Yes Status: Orderable ====================== Parts Offered as: Current: 46-296219P1 Harvested: Not Available Exchange: Not Available Comments: FLS - PART# 46-296219P1 IS OBSOLETE. ORDER PART # 2291444 THIS KIT UPGRADES G1,G2 AND G3TO BECOME A G4. THE KIT INCLUDES ALL PARTS AND INSTRUCTION TO SUCESSFULLY PERFORM THE UPGRADE. NOTE: THIS DOES NOT ENABLE THE SMART BEAM OPTION. THIS OPTION MUST BE PURCHASED BY THE CUSTOMER. THIS CHANGE IS EFFECTIVE AS OF3-22-2002 PER CT ENGINEERING. TAKEN OFF RECYCLING PROGRAM PER L.BENIWAL (MSA8429 08/20/02)
- Area
- CT
Full cause & step-by-step resolution
The complete cause analysis, the step-by-step remedy and the attached service documents for this GE Healthcare CT issue are available to FSELIB subscribers — re-authored, web-first, searchable.
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