Pacific Northwest X-Ray Inc.

       Ultrasound Resolution Phantom.       


Computerized Imaging Reference Systems, Inc! Designed for evaluating system resolution, The CIRS Model 044 series of ultrasound phantoms, unlike human subjects or random scannable materials, offers a reliable medium which contains specific, known test objects for repeatable qualitative assessment of ultrasound scanner performance over time.

This phantom is constructed from the patented solid elastic material, Zerdine®1. Zerdine®, unlike other phantom material on the market, is not affected by changes in temperature. It can be subjected to boiling or freezing conditions without sustaining significant damage. Zerdine® is also more elastic than other materials and allows more pressure to be applied to the scanning surface without subsequent damage to the material. At normal room temperature, the Zerdine® material found in the Model 044 will accurately simulate the ultrasound characteristics found in human liver tissue.

The Model 044 consists of two planes of short cylinders. One plane has an attenuation coefficient of 0.5 dB/cm/MHz while the other is 0.7 dB/cm/MHz. Each plane has two groups of targets. The 12 mm diameter test objects have three contrasts with respect to the background enabling low contrast resolution assessment at many depths. All other targets have a -15 dB contrast. To facilitate proper probe alignment, the Model 044 contains a series of nylon targets. The phantom includes a sturdy carrying case and certification sheet. The Model 044 is ideal for simultaneous assessment of axial, lateral, and elevational resolution.

(1) US PATENT# 5196343

Material:
Zerdine, solid-elastic, water based polymer
Freezing Point: 0°C
Melting Point: Above 100°C

Attenuation Coefficient:
0.50 dB/cm-MHz ± 0.05 dB/cm-MHz
0.70 dB/cm-MHz ± 0.07 dB/cm-MHz

Velocity of Sound Through Background Medium:
1540 m/s ± 10 m/s @ 20°C



Scanning Membrane:
Saran Based

Targets:
Number of Groups: 4

Number of Targets Per Group:
35, 45, & 15

Type of Target:
Short Cylinders.

Diameter of Targets:
1.5mm, 3mm, & 12mm.

Length of Targets:
2.4mm, 3mm, 6mm, & 18mm

Contrast:
12mm: -2dB, -4dB, & -6dB
all others: -15dB

Alignment Targets:
Material: Nylon Monofilament
Diameter: 0.1mm
Depths: 1.5cm, 3.5cm, 6.5cm, 9.5cm, & 12cm





Stock #
Description
Your Price
044
Ultrasound Resolution Phantom.
$6,316.31







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