英国利兹(LEEDS TEST)CBCT-161锥形束CT模体

英国利兹CBCT-161锥形束CT模体用于CBCT体系的恒定性测试。
英国利兹CBCT-161锥形束CT模体包括：
PMMA圆柱体，直径160mm，长度40mm
精确的水平和颜料填充的中心标记，便于重复定位
三脚架为通用定位
软组织当量; PMMA
骨当量; PVC-密度为1.30-1.45克/厘米
气隙
CBCT-161允许测量以下图像质量参数：
像素密度值线性
噪声
CNR
同质性
文物
MTF
 
CBCT-161-A模体是CBCT-161的附件，用于CBCT系统的验收测试。
CBCT-161-A包括：
PMMA圆柱体，直径160mm，长度60mm
PMMA圆柱体;直径160 mm，长度50 mm，带螺纹孔，用于连接三脚架

英国利兹CBCT-161锥形束CT模体符合标准：
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