Radiation Protection　Patient Exposure

[106] Dose Reduction by Ta Additional Filter in X-ray Fluoroscopy Devices on Flat Panel Ditecter: Study by CNR

^○Kajihara Takahiko¹, 鈴木昇一¹, 前田繁信², 佐藤保², 岩瀬秋吉², 小林美紀² (1.Fujita Health University School of Health Sciences, 2.藤田保健衛生大学病院　放射線部)

Keywords:abdomen, flat-panel detector (FPD), noise power spectrum (NPS), entrance skin dose (ESD), contrast noise ratio(CNR)