Small Parts Phantom

Model ATS 551
Detect Small Anatomical Features

The CIRS Model ATS 551 provides a comprehensive means of evaluating the performance of higher frequency (approximately 7.5- 20 MHz) ultrasound systems designed to detect small anatomic features.

Our Small Parts Phantom is designed with a combination of monofilament line targets and tissue mimicking cylindrical targets of varying sizes and contrasts. The monofilament line targets have a diameter of 0.05 mm, to optimize the displayed image at frequencies of 7.5 MHz or greater. Four groups of line targets are provided to evaluate the vertical and horizontal calibration measurements, dead zone and axial-lateral resolution.

The CIRS Model ATS 551 provides enhanced axial-lateral resolution targets (down to 0.25mm spacing) over the standard axial-lateral targets.

Tissue Equivalent Technology

The Model 551 is constructed of our rubber-base tissue mimicking material to provide a phantom which is accurate, durable and maintenance free.

Performance measures:
  • Uniformity
  • Beam Profile/ Focal Zone/ Lateral Response Width
  • Vertical Distance Measurement
  • Horizontal Distance Measurement
  • Axial and Lateral Resolution
  • Elevational Resolution
  • Contrast Resolution
  • Grayscale Contrast Sensitivity
  • Dead Zone Assessment

Data Sheet

Small Parts Phantom: Data Sheet

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Model: ATS 551 Modalities: ,