Title :
Automatic self-correcting calibration method for arterial blood sampling detectors used in PET imaging
Author :
Hichwa, R.D. ; Aykac, M. ; Bilgen, D. ; Madsen, M.T.
Author_Institution :
Dept. of Radiol., Iowa Univ., Iowa City, IA, USA
Abstract :
Routine calibration of on-line blood flow detectors while necessary is time consuming and if performed frequently, exposes staff to unnecessary levels of radiation. A method has been implemented to account for changes in detector sensitivity and for variations in tubing geometry. The method is most applicable to positron detectors but can also be used for gamma systems. Errors are reduced from +/- 5% to less than 1%
Keywords :
blood flow measurement; calibration; measurement errors; positron emission tomography; PET imaging; arterial blood sampling detectors; automatic self-correcting calibration method; medical diagnostic imaging; medical instrumentation; nuclear medicine; staff radiation exposure; tubing geometry variations; Blood flow; Calibration; Gamma ray detection; Gamma ray detectors; Geometry; Humans; Image sampling; Positron emission tomography; Protocols; Sampling methods;
Conference_Titel :
Nuclear Science Symposium, 1998. Conference Record. 1998 IEEE
Conference_Location :
Toronto, Ont.
Print_ISBN :
0-7803-5021-9
DOI :
10.1109/NSSMIC.1998.774378
