SN4877 Innova, Modification for procedure QA checks available in suif

SN4877 Innova, Modification for procedure QA checks available in suif SN4877 modification for procedure qa checks available in suif Rev. 1 5340834-8EN PURPOSE/SYMPTOM QA checks available in the SUIF (Quality Assessment page) may fail due to incomplete instructions and/or inappropriate internal specification ranges. The service note gives additional instructions for QA Checks “QA Patient Dose Check” and “QA Receptor Dose Check” to eliminate false positive alerts. PROBLEM Procedure QA Patient Dose Check: · The type of Dosimeter Ion Chamber (6 cc, or 180 cc) is not defined in the SUIF instructions, while the large (180 cc) chamber may get saturated during DSA measurements. Procedure QA Receptor Dose Check: · The type of Dosimeter Ion Chamber (6 cc, or 180 cc) is not defined in the SUIF instructions, while the small (6 cc) chamber may not provide enough accuracy for the measurements. · The QA Receptor Dose Check is performed with metal phantom. The Software was updated with a metal phantom compensation mechanism, which has an impact on the measured values, while the QA check ranges have not been updated accordingly.