Quality assurance on accuracy of the external laser centre in CT simulator
- VernacularTitle:CT模拟定位系统外激光中心准确性的质量保证
- Author:
Xue-Nan LI
;
Dan WANG
;
Gao-Feng LI
;
Su-Hua XIAO
;
- Publication Type:Journal Article
- Keywords:
CT-simulation;
Radiotherapy;
Quality assurance
- From:
Chinese Journal of Radiation Oncology
2005;0(06):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective Transpherical technique of CT scanner of beekley spot quality assurance (BBQA) and its effect in CT simulator QA.Methods Vertical column,BB,Jig,Philips PQS-Falcon CT, ACQSIM workstation and the laser system were used.Scanning BB was used in sending image to the AC- QSIM workstation.In this system,after describing the BB,isocenter can be established.Then,tile couch with the lasers were moved to the programmed position.Checking was needed.Results The center of the laser should just be found on the BB.Otherwise the laser system should be regulated again.Conclusions Beekley spot quality assurance,being the very important center of any QA program,influences the accuracy of quality of the treatment.
