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    美國phantomlab Catphan500 CT性能測試體膜

    美國phantomlab ?

    美國phantomlab Catphan500 CT性能測試體膜產品介紹:

    產品型號:Catphan500
    產品品牌:美國phantomlab
    產品類別:CT性能測試體膜
    產品備注:CT性能測試體膜

    美國phantomlab Catphan500 CT性能測試體膜產品簡介:

    美國Catphan 500 CT性能測試模體已得到全球知名CT生產公司的認同,都用它來標示CT機的成像性能。該模體較依據AAPM 1977年1號報告生產加工的注水模體有很多優點:因是固體模體,沒有漏水的問題;儲運箱能當模體支架,模體能探出掃描床外;低對比度分辨力模體由同一種物質不同密度材料制成等。

    美國phantomlab Catphan500 CT性能測試體膜產品概述:

    醫療模體:
    模體用來檢測醫院的CT性能,由塑料制成,Catphan500, Catphan600, Catphan5700, CTP500, CTP600, CTP700等. 另外一個是醫院的磁共振性能檢測模體,完全使用有機玻璃制成,也有兩個型號,其中的圓柱形,就是Magphan? SMR170,廠家是美國模體實驗室。
    功能:Phantomlab與物理學家兼哲學家Goodenough, Ph.D.,共同努力發展了Catphan?模體。新型的Catphan?模體設計是基于醫療成像儀器方面二十多年的科學研究和臨床經驗。該種模體可以應用于軸向和螺旋CT掃描成像系統的各種操作評價以及質量保證系統。
    不同的模塊組成了Catphan?模體,這些模塊尚可適用于連續20cm空間。為了在Catphan?424中使用水容器,所有Catphan?組件都是由Solid-cast材料構成。Solid-cast結構可以降低材料的吸水性和水浴模體相關的露水問題。
    包括Catphan?500在內共有三種基本Catphan?模體。Catphan?是為螺旋CT掃描而特殊設計的。
    包括Catphan?模體的選擇性測試模塊及其標準,經常被用于進行許多實驗測量。包括以下
    一、參數的評估:
    掃描幾何學(層寬和靈敏度曲線)
    高分辨率(最高至20線對/厘米)
    體模定位驗證
    病人定位系統驗證
    supra-slice低對比度靈敏度
    subslice低對比度靈敏度
    空間均勻性
    掃描增量
    CT系統噪聲(精度)
    圓對稱性
    靈敏度(線性)
    象素(矩陣)尺寸
    動態掃描
    X、Y、Z軸的點擴散函數和調制傳遞函數(MTF)
    ?patient alignment system check
    ?low contrast sensitivity
    ?comparative subslice and supra-slice low contrast sensitivity
    ?spatial uniformity
    ?scan incrementation
    ?noise (precision) of CT systems
    ?circular symmetry
    ?sensitometry (linearity)
    ?pixel (matrix) size
    ?point spread function and modulation transfer function (MTF) for the x, y, and z axes
    Catphan? 700(Stock CTP700) – Complete Catphan? including housing and case, equipped with the following test modules:
    CTP682 – Geometry sensitometry and point source module
    CTP714 – 30 line pair high resolution module
    CTP515 – Subslice and supra-slice low contrast
    CTP721 – Wave insert
    CTP723 – Bead blocks
    CTP712 – Uniformity section
    ?Catphan 600?(Stock CTP600) – Complete Catphan? including housing and case, equipped with the following test modules:
    CTP404 – Slice width, sensitometry and pixel size
    CTP591 – Bead Geometry module
    CTP528 – 21 line pair high reslution and point source
    CTP515 – Subslice and supra-slice low contrast
    CTP486 – Solid image uniformity module
    Catphan? 500(Stock CTP500) – Complete Catphan including housing and case, equipped with the following test modules:
    CTP401 – Slice width, sensitometry and pixel size
    CTP528 – 21 line pair high resolution and point source
    CTP515 – Subslice and supra-slice low contrast
    CTP486 – Solid image uniformity module
    Catphan? 412(Stock CTP412) – Complete Catphan including housing and case, equipped with the following test modules:
    CTP401 – Slice width, sensitometry and pixel size
    ?CTP445 – MTF module with bead point source
    CTP446 – 20 line pair high resolution
    CTP263 – Low contrast
    CTP486 – Solid image uniformity module
    Catphan? 424(Stock CTP424) – Complete Catphan including housing and case, equipped with the following test modules:
    CTP401 – Slice width, sensitometry and pixel size
    CTP445 – MTF module with bead point source
    CTP446 – 20 line pair high resolution
    CTP263 – Low contrast
    CTP422 – Liquid bath
    Catphan? 440(Stock CTP440) – Complete Catphan including housing and case, equipped with the following test modules:
    CTP401 – Slice width, sensitometry and pixel size
    CTP592 – Low and high contrast resolution module
    產品編號 Description
    CTP700 Complete Catphan? 700 including housing, case, and test modules
    Includes the following: CTP682-Geometry sensitomety and point source module, CTP714-30 line pair high resolution module, CTP515- Subslice and supra-slice low contrast, CTP721 Wave insert, CTP723-Bead blocks, CTP712 Uniformity section
    CTP600 Complete Catphan? 600 including housing, case, and test modules
    Includes the following: CTP404-Slice width, sensitometry and pixel size, CTP591-Bead geometry module, CTP528-21 line pair high resolution and point source, CTP515-Subslice and supra-slice low contrast, CTP486-Solid image uniformity module
    CTP500 Complete Catphan? 500 including housing, case, and test modules. Includes the following:CTP401 Slice width, sensitometry and pixel size, CTP528-21 line pair high resolution and point source, CTP515-Subslice and supra-slice low contrast, CTP486-Solid image uniformity module
    CTP412 Complete Catphan? 412 including housing, case, and test modules. Includes the following:CTP401-Slice width, sensitometry and pixel size, CTP446-20 line pair high resolution, CTP263-Low Contrast, CTP486-Solid image uniformity module
    CTP424 Complete Catphan? 424 including housing, case, and test modules. Includes the following:Slice width, sensitometry and pixel size, CTP445-MTF module with bead point source, CTP446-20 line pair high resolution, CTP263-Low contrast, CTP422-Liquid bath.
    CTP440 Complete Catphan? 440 including housing, case, and test modules. Includes the following:CTP401-Slice width, sensitometry and pixel size, CTP592-Low and high contrast resolution module
    CTP401 Slice width, sensitometry and pixel size module
    CTP404 Slice width, sensitometry and pixel size module
    CTP445 MTF Module with bead point source
    CTP446 20 line pair high resolution module
    CTP528 21 line pair high resolution and point source module
    CTP422 Liquid Bath
    CTP486 Solid image uniformity module
    CTP263 Low Contrast Module
    CTP515 Sub-slice and supra-slice low contrast module
    CTP592 Low and high contrast resolution module
    CTP591 40mm bead geometry module
    CTP501 16cm housing and mount with modules CTP591 & CTP486-3
    CTP295 Liquid bath scan alignments inserts
    CTP291 Liquid bath acrylic LSF inserts
    CTP299 Teflon annulus
    CTP539 30cm OD uniformity material body annulus
    CTP540 35cm OD uniformity material body annulus
    CTP650 38cm OD uniformity material body annulus
    CTP579 25-35cm oval OD uniformity material body annulus
    CTP651 30-38cm oval OD uniformity material body annulus
    CTP599 45-55cm oval OD uniformity material body annulus
    CTP326 32cm OD acrylic body annulus
    CTP541 16cm OD housing and mount
    CTP536 35cm center off-center housing
    CTP553 32cm Acrylic Dose Phantom
    CTP554 16cm Acrylic Dose Phantom
    CTP558 Dose Phantom Set includes 16cm & 32cm

     



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