Pacific Northwest X-Ray Inc.

       Gray Scale Ultrasound Phantom.       

Computerized Imaging Reference Systems, Inc!


The CIRS Gray Scale Ultrasound Phantom is a single, simple tool to assess resolution of masses varying in size, depth and contrast. The phantom's unique design allows for rapid visualization of gray scale resolution power at continuous depths from 1 to 12 cm.

Due to the controlled scatter characteristics of the targets, the Model 047 may be used to evaluate gray scale sensitivity on all diagnostic ultrasound machines with a wide range of transducer frequencies. This phantom is an ideal training tool for learning optimum system setup and evaluating system performance.

Masses may be viewed with either a circular or elliptical cross-section. The mass diameters were selected so the volume imaged would double as the diameter increased. The gray-scale levels were selected to achieve a doubling in signal intensity as you move from mass to mass. The anechoic masses comply with the ACR accreditation program.

The phantom is constructed of Zerdine(1), a patented, tissue-mimicking material and is housed in a rugged ABS plastic for increased durability. The Gray Scale Ultrasound Phantom includes foam-lined carry case, certificate of compliance, user guide and 48-month warranty.

  • 21 Testing objects of varying diameters and contrast.
  • Constructed of tissue-mimicking material.
  • Depth of test object varies continuously as phantom is scanned laterally.
  • Scatter controlled independently from attenuation.
  • Carry case, certificate of compliance, user guide and 48-month warranty included.

  • Specifications.

    Dimensions: 35cm x 13cm x 17cm
    Material: Black ABS
    Weight: 23 lbs.

    Background Material:
    Zerdine® 1 solid elastic water-based polymer
    Freezing Point: 0°C, Melting Point: Above 100°C
    Scanning Membrane: Saran-based laminate.

    Scanning Surface:
    Depth of Scanning well: 1cm
    Material: Saran Based.

    Attenuation Coefficient: 0.5 dB/cm MHz
    Speed of Sound: 1540 m/s
    Diameters: 2.4mm, 4mm, and 6.4mm
    Contrast: Anechoic, -9, -6, -3, +3, +6 and +9 dB (with respect to background)

    Depth Range:
    3 mm: 1-6cm
    4 mm: 2-9cm
    6 mm: 3-12cm

    Model 047 Includes:
    1) Gray Scale Ultrasound Phantom 1) Custom Carry Case 1) Certificate of Compliance 1) User Guide -) 48-Month Warranty

    (1) US PATENT# 5196343

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    Grey Scale Ultrasound Phantom

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