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GE Healthcare · CTLightSpeed

LightSpeed 3.X (Ultra, Plus, QXi) - Octane

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
LightSpeed
Product
LightSpeed 3.X (Ultra, Plus, QX/i) - Octane Always 4 or 8 slice MDAS 308i.2_H3.1M5 LightSpeed 3.X - Octane Method of visual identification Method of remote or software identification - See attachment below for a complete list of software commands and typical results. check_config List of Supported Console Types Octane with Pegasus Recon hardware. List of softwares the product can run 308I.2_H3.1M5 305.4_H3.1M4 - obsolete 303.1_H3M4 - obsolete FAQ's Table weight limit - Up to 400 lb. (180 kg) with ± .25 mm positional accuracy. 450Ib (205 kg) max weight Tube type - D3186T Current production details - See Technical Reference Manual found on the Common Document Library Tips and workarounds, where to find it - Common Document Library(CDL) . Search for the latest FMI software release. In the furnished materials will be the list of various manuals with part numbers for the various languages. Example: English versions 2211223-100 Options - TBD 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
5140001-3 (replaces 5140001-2) Helios 3 collimator with notched filler bar and rating plate (used on 1.X-4.X) See Long Description for more info Part #: 5140001-3 Part Type: GP REPAIRABLES Part Weight: 115.00 LBR Repairable: Yes Returnable: Yes Hazardous Material: N Description: helios 3 collimator with notched filler bar and rating plate FRU: Yes Status: Orderable Comments: ** FE Assist ** 1.x 2.x 3.x 4.x started with Ultras added minor quality improvements to the dash 2 and is backwards compatible (12/6/06 212001261) Part #: 5140001-2 Part Type: GP REPAIRABLES Part Weight: 0.00 LBR Repairable: Yes Returnable: Yes Hazardous Material: N Description: helios 2 collimator with notched filler bar and rating plate FRU: Yes Status: Orderable Comments: This part is replacement for 2214768-2, please do not use stock of 2214768-2. ms13452 050516 Can use the 5140001-3 if no Stock of the -2 (9/26/05 212001261)
Area
CT

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