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Computed Tomography

  • CT QA Phantom JCT II

    CT QA Phantom JCT II

    CT QA phantom for initial calibration as well as follow-up periodical quality check of CT scanners

    Features
    ● The phantom can be used for initial and follow-up QA tests listed below, described in JIS Z 4752-3-5: 2008 (IEC 61223-3-5: 2004) and Z 4752-2-6: 2012 (IEC 61223-2-6: 2006)
    ● Ability to capture defects of the myocardial region
    ● Conforming to JIS Z 4923: 2015)

    Evaluation Parameters

    Axial Scan:
    ● Slice Thickness
    ● Spatial Resolution
    ● Low contrast resolution
    ● Noise
    ● Mean HU number
    ● Uniformity

    Helical Scan:
    ● Slide Thickness

     Fantoma para o CQ em TC JCT II 2

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  • Multi Slice CT Phantom MHT

    Multi Slice CT Phantom MHT

    The phantom can be used for features of CT evaluation, such as high and low contrast resolutions, feed direction and CTDI

    Features
    ● Non-aqueous, easy set-up enables liquid-free evaluation session
    ● Designed to allow evaluation in volume scanning

    Evaluation Parameters
    ● CTDI
    ● Contrast resolution sensitivity profile
    ● Contrast-to-Noise Ratio (CNR) evaluation
    ● Evaluation of effective slice thickness, SSPz evaluation

     Fantoma para Tomografia Computarizada Multicorte 2

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  • Multi Energy CT Quality Assurance Phantom

    Multi Energy CT Quality Assurance Phantom

    Water Equivalent Material, various inserts and empty bottles enable to verify the appropriate Multi-Energy CT settings

    Features
    ● Phantom using innovative Water EquivalentMaterial
    ● Empty bottles enable insertion of various itemsand check how they react to Multi Energy CT
    ● Save time and efforts to produce custom-made water phantoms
    ● Two different sizes of body (TR-I, TR-J)

    Applications
    ● ME-CT image analysis protocol
    ● Metal artifact reduction
    ● Reduction of contrast media

    Evaluation Parameters
    ● Uniformity
    ● Signal-to-noise ratio (SNR)
    ● Image contrast
    ● CT dose index (CTDI)

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  • QUART didoCT

    QUART didoCT

    The QUART didoCT meter is designed for easy and precise dose-width product measurements. Its innovative detector features ionisation as well as solid-state technology.

    The didoCT is also the first pencil chamber meter with the ability to measure HVL directly in the same exposure as the DLP (didoCT+ version).

    The didoCT is equipped with a backlit display to assure swift readings even in darkened environments and the dose or DLP rate is refreshed continuously on the display while the measurement is running.

    Special Feature - Direct CT-HVL Measurement

    The meter‘s HVL feature is designed to easily measure the aluminium equivalent for a wide range of CT imaging equipment. It is calibrated at suitable standard radiation qualities in accordance with the majority of CT scanners used in radiology or radiation therapy

    Specifications
    DLP: 0.2 µGycm - 999 mGycm (Uncertainty: ±5% / Resolution: 0.01 nGycm)
    DLP Rate: 0.25 µGycm/s - 999 mGycm/s (Uncertainty: ±5% over full range / Resolution: 0.1 nGycm/s)
    Exposure Time: 0.5 ms – 300 s (Uncertainty: ± 0.5 ms / Resolution 0.1 ms)
    ● CT-HVL (didoCT+): 3.0 – 9.0 mm Al (HVL output, Uncertainty: +/- 8% / Resolution: 0.1 mm Al); Internal Filtration 2.8 - 29 mm Al equivalent and corresponding range of 70 - 150 kVp.

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  • QUART DVTap

    QUART DVTap

    The QUART DVTap phantom is designed to be used as a universal tool for 3D imaging equipment including CT applications.

    The phantom (combined with QUART's CTtec software) has been endorsed by IAEA, EFOMP and ESTRO as a comprehensive solution for time-efficient CT and CBCT QA procedures.

    Only one exposure is required to create a 3D data set containing all required parameters to evaluate image quality.
    Automated evaluation through unique QUART QA/QC software.Phantom can be applied for field sizes from 4x4cm to large fields-of-view (FOV). A universal holder or customised phantom holders available for easy and reproducible positioning.

    Technical specifications
    ▪ Spatial resolution: Line spread function
    ▪ Resolution: Z-Resolution
    ▪ Standard test objects: PMMA / Air / PVC
    ▪ Material equivalents: Free Air / Soft tissue / Bone
    ▪ Positioning tools: Linear (top side) / Selective markers
    ▪ Size: Ø 16 cm, height: 15 cm
    ▪ Scatter radiation modules: 1x 6 cm / 1x 5 cm
    ▪ Nyquist Frequency (NF)
    ▪ Contrast-to-Noise Ratio (CNR)
    ▪ Homogeneity / Image Uniformity
    ▪ Z-Resolution
    ▪ Modulation Transfer Function
    ▪ Artefacts, Image Flaws
    ▪ Figure of Merit (FOM)

     

    QUART DVTap 2

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  • QUART Dido DTO

    QUART Dido DTO

    The QUART didoDTO software tool is used for transferring stored measurement data from dido meters into a PC system. From there, the data can be processed through Excel templates.

    QUART didoDTO is available as an optional extra for users who need a bit more flexibility than just a stand-alone meter. One license can be used on one PC for a couple of EASY / CT / MAS / SVM meters.

    General Features
    ● Data export of all stored parameters to Microsoft Excel templates _ Developed for ease-of-use
    ● Quick and easy server registration for end-users available 24/7

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  • QUART Nonius

    QUART Nonius

    The QUART Nonius is an easy-to-use and very sophisticated measuring instrument to verify size and geometrical properties of x-ray fields. It can also be used to analyse characteristics of fanned x-ray beams as used in CT or dental panoramic x-ray (OPG).

    The QUART Nonius is incredibly flexible and its precision is an absolute strong point – as it achieves a resolution in the socalled nonius range of 0.1 mm.

    Recent studies have proven that QUART Nonius can also be used for field measurement in radiation therapy applications.

    Specifications

    ▪ Accuracy / Resolution: +/- 0.1 mm
    ▪ Exposure Threshold: Dose = 100 µGy / Dose Rate = 20 µGy/s
    ▪ Minimum Exposure: Variable; depends on application and tube filtration
    ▪ Measurement Method: Open measurement – no added filtration
    ▪ Connectivity: Standard USB (2.0)
    ▪ Sensor Area: 40 mm Length
    ▪ Radiopaque center marker (Visible in test exposure)

     

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