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CTP104 CT quality control performance testing phantom

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CTP104 CT quality control performance testing phantom image

CTP104 CT quality control performance testing phantom

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Brief description:CT quality control performance testing phantom: ① The phantom meets the requirements of national standards and can measure: CT linearity, layer thickness, positioning light accuracy, low contrast detectability, high contrast resolution, water CT value, uniformity and noise, inner diameter ≥ 20cm ② CT value linear materials include: air, polyethylene, plexiglass, polytetrafluoroethylene; ③ The angle between the tungsten wire of the layer thickness measurement unit and the straight line at the upper and lower ends of the component is ≥ 26.6°;

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ctQuality control performance testing phantom:

①The phantom meets the requirements of national standards and can measure:CTLinearity, layer thickness, positioning light accuracy, low contrast detectability, high contrast resolution, waterCTvalue, uniformity and noise, inner diameter ≥20cm

②CTValue linear materials include: air, polyethylene, plexiglass, PTFE;

③The angle between the tungsten wire of the layer thickness measuring unit and the straight lines at the upper and lower ends of the component ≥26.6°;

④The high contrast resolution module includes the following line pairs:2.50LP/cm,3.33LP/cm,4.00LP/cm,5.25LP/cm,6.25LP/c-m,7.14LP/cm,8.33LP/cm,10.0LP/cm,11.25LP/cm,16.7LP/cm;

⑤The contrast range of the low contrast resolution module includes:2.0%,1.0%,0.5%,0.25%;

⑥ Low contrast module measurement aperture includes:10mm,7mm,5mm,4mm,3mm,2.5mm,2mm,1.5mm;

⑦The inside of the phantom is pure filled, with a separate layer used to measure uniformity, noise and water.CTvalue;

⑧The phantom should be hung on the head of the bed, and the level can be adjusted with a special spirit level;

⑨CTThe water phantom needs to be built intoCTPerformance inside the phantom

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