Catphan189低對(duì)比度模體,Catphan191頭部低對(duì)比度模體,Catphan低對(duì)比度模體
型號(hào):Catphan189Catphan191
類別:質(zhì)控模體品牌:美國模體實(shí)驗(yàn)室
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Catphan189主體低對(duì)比度模體和Catphan191頭部低對(duì)比度模體,Catphan低對(duì)比度模體是為MITACTIQ任務(wù)組定義的低對(duì)比度成像評(píng)估而設(shè)計(jì)的。這些模體取代了之前的CCT183模體。
Catphan189主體低對(duì)比度模體和Catphan191頭部低對(duì)比度模體都有八個(gè)對(duì)比度桿在制造時(shí)評(píng)估在0.05%的密度或±0.5HU的目標(biāo)值。對(duì)比度對(duì)象的對(duì)稱定位使得這些模體成為評(píng)估重建算法的強(qiáng)制選擇和評(píng)分尺度實(shí)驗(yàn)的理想選擇。
欲了解更多信息,請(qǐng)參閱Catphan189主體低對(duì)比度模體和Catphan191頭部低對(duì)比度模體手冊(cè)。
CCT189LC人體模型具有以下對(duì)比度桿:
14HU對(duì)比,3mm直徑×40mm長度和15mm直徑×10mm長度
7HU對(duì)比,5mm直徑×40mm長度和15mm直徑×10mm長度
5HU對(duì)比,直徑7mm×長度40mm,直徑15mm×長度10mm
3HU對(duì)比,直徑10mm×長度40mm,直徑15mm×長度10mm
CCT191LC人體模型具有以下對(duì)比度桿:
9HU對(duì)比,3mm直徑×40mm長度和15mm直徑×10mm長度
7HU對(duì)比,5mm直徑×40mm長度和15mm直徑×10mm長度
5HU對(duì)比,直徑7mm×長度40mm,直徑15mm×長度10mm
3HU對(duì)比,直徑10mm×長度40mm,直徑15mm×長度10mm
 TheCCT189(body) andCCT191(head)LowContrastPhantomsaredesigned
forlowcontrastimagingevaluationsasdefinedbytheMITACTIQTask
Group.ThesephantomsreplacetheearlierCCT183phantom.
Bothphantomshaveeightcontrastrodsevaluatedatmanufacturingtobe
within0.05%densityor±0.5HU oftargetvalues. Thesymmetric
positioningofthecontrastobjectmakethesephantomsidealfor
conductingforcedchoiceandratingscaleexperimentsforevaluating
reconstructionalgorithms.
ForfurtherinformationpleaseseetheCCT189andCCT191MITACTIQLowContrastPhantomManual.
TheCCT189LCBodyPhantomhasthefollowingcontrastrods:
14HUcontrast,3mmdiameterx40mmlength and15mmdiameterx10mmlength
7HUcontrast,5mmdiameterx40mmlength and15mmdiameterx10mmlength
5HUcontrast,7mmdiameterx40mmlength and15mmdiameterx10mmlength
3HUcontrast,10mmdiameterx40mmlength and15mmdiameterx10mmlength
TheCCT191LCBodyPhantomhasthefollowingcontrastrods:
9HUcontrast,3mmdiameterx40mmlength and15mmdiameterx10mmlength
7HUcontrast,5mmdiameterx40mmlength and15mmdiameterx10mmlength
5HUcontrast,7mmdiameterx40mmlength and15mmdiameterx10mmlength
3HUcontrast,10mmdiameterx40mmlength and15mmdiameterx10mmlength
 SAG:
Catphan189,Catphan191,Catphan191模體,Catphan191低對(duì)比度模體,Catphan189低對(duì)比度模體   
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