美國(guó)CIRS　610 CT性能檢測(cè)模體

型號(hào)：610 CT性能檢測(cè)模體

品牌：美國(guó)CIRS

會(huì)員價(jià)格：面議

聯(lián)系方式： 010-68940148

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美國(guó)CIRS

Computerized Imaging Reference Systems, Incorporated (CIRS) 公司在1983年以改進(jìn)現(xiàn)有組織模擬方法和計(jì)算機(jī)斷層掃描提供定量的參考標(biāo)準(zhǔn)為目標(biāo)成立了。如今，CIRS被認(rèn)為是全球領(lǐng)先的等效幻影，放療，醫(yī)學(xué)成像模擬器以及程序培訓(xùn)...[查看更多]

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The CIRS Model 610 AAPM CT Performance Phantom offers the user a single test object that measures ten distinct CT performance parameters. The phantom design is based on the guidelines presented in Report #1 of the American Association of Physicists in Medicine Task Force on CT Scanner Phantoms. The goals of report #1 were to “(1) define ‘performance’ of a CT scanner and (2) describe methods of performance testing through utilization of particular phantoms.”

A CT number linearity insert, high contrast resolution insert and slice width insert are housed in an 8.5 “ diameter PMMA water tank with quick disconnect valves for ease of filling and draining between use. Also included is a 0.25” bone equivalent ring that can be fit over the inserts to evaluate the effects of beam hardening.

A contrast test object is adhered to the bottom of the tank that includes two rows of cavities from 1 to 0.125” diameter. The cavities can be filled with various solutions for contrast evaluation. An aluminum alignment insert is incorporated in the lid of the tank and can be interchanged with a polystyrene TLD insert for dose measurements. A user’s manual, holding cradle, filling tubes and other accessories are included.

Measurement Capability：

?Noise

?Size Independence

?Sensitivity / Detectability

?Radiation Dose

?Mechanical Alignment

?Spatial Uniformity

?Beam Hardening

?HU Linearity

?Slice Thickness

?Spatial Resolution and line spread function

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