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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1、技術溝通，初步判斷問題
電話與客戶進行初步溝通、了解并初步判斷儀器
所出現的故障問題。 -
2、簽訂維修協議
由我公司向客戶發送儀器維修協議，客戶需如實
填寫內容并回傳以便我司對儀器做進一步判斷。 -
3、客戶郵寄儀器
客戶可按照我司地址郵寄儀器，并將快遞單拍、
照發送至您的專屬客服進行備案。 -
4、詳細診斷機器故障
我司收到郵寄儀器后會對郵寄的儀器進行拍照、
并開箱檢驗，對儀器做進一步故障判斷。 -
5、支付維修費用
如客戶儀器在保修期內，我司不收取任何維修費，
如客戶儀器在保修期外，我司會適當收取維修費。 -
6、郵寄儀器給客戶
我司將維修好的儀器按客戶地址進行拍照并郵寄，自此
雖維修協議終止，但我司將提供終身免費答疑及技術指導。
專業從事儀器儀表檢修9年，部分可提供服務的產品型號如下：
