英國利茲(LEEDS TEST)CBCT-161錐形束CT模體
英國利茲CBCT-161錐形束CT模體用于CBCT體系的恒定性測試。 英國利茲CBCT-161錐形束CT模體包括: PMMA圓柱體,直徑160mm,長度40mm **的水平和顏料填充的中心標(biāo)記,便于重復(fù)定位 三腳架為通用定位 軟組織當(dāng)量; PMMA 骨當(dāng)量; PVC-密度為1.30-1.45克/厘米 氣隙 CBCT-161允許測量以下圖像質(zhì)量參數(shù): 像素密度值線性 噪聲 CNR 同質(zhì)性 文物 MTF CBCT-161-A模體是CBCT-161的附件,用于CBCT系統(tǒng)的驗(yàn)收測試。 CBCT-161-A包括: PMMA圓柱體,直徑160mm,長度60mm PMMA圓柱體;直徑160 mm,長度50 mm,帶螺紋孔,用于連接三腳架
英國利茲CBCT-161錐形束CT模體符合標(biāo)準(zhǔn): DIN 6868-161
CBCT-161 phantom is used for constancy testing of CBCT systems. CBCT-161 comprises: PMMA cylinder with;160 mm diameter, 40 mm length Spirit level and pigment-filled centre markings for easy and reproducible positioning Tripod for universal positioning Soft tissue equivalent; PMMA Bone equivalent; PVC- density 1.30 – 1.45 g/cm Air gap CBCT-161 permits measurement of the following image quality parameters: Pixel Intensity Value Linearity Noise CNR Homogeneity Artefacts MTF CBCT-161-A phantom is an accessory to CBCT-161 and is used for acceptance testing of CBCT systems. CBCT-161-A comprises: PMMA cylinder with;160 mm diameter, 60 mm length PMMA cylinder with;160 mm diameter, 50 mm length, with threaded hole for attachment to a tripod Conforms to standards: DIN 6868-161