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Catálogo
 
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Controle de qualidade em Radiodiagnóstico
Modelo: 170NJ Radiographic Survey Phantom (Phantom de Vistoria Radiográfica)
 
     Description: The Gammex 170NJ phantom provides a simple and reproducible test tool for inter-facility surveys and intra-department comparison of radiographic systems. For routine quality control, the phantom images provide a rapid assessment of high contrast resolution, low contrast detectability, radiographic exposure
consistency as well as radiation light-field alignment and collimation accuracy. The phantom is designed for use in three ranges of clinical settings: extremity (no copper plates) in the range of 60 kVP, abdomen or lumbar spine (with 2.4 mm Cu plate) in the range of 75 kVP, and chest (with 2.0 mm Cu plate) in the range of 120 kVP.
The Radiographic Survey phantom is fully compatible with RIT QClick image analysis software that automatically performs MTF, step wedge, resolution, high and low contrast, noise and uniformity tests from your radiographic film image. Results are automatically stored in a database for easy retrieval.
Specified for use by health physicists performing routine inspection, the Gammex 170NJ is designed with features to optimize portability and ease of use. Each phantom is equipped with a carrying strap, tripod mounting assembly and built-in levels for quick set up, and orientation in the variety of clinical settings encountered by inspection teams and consultants.

Specifications:

  • Phantom Base Material
    • (2) acrylic blocks: 3.9x3.9x.78 cm (10x10x2 in.) assembled
    • (1) 2.0 mm Cu plate, 3.9x3.9 cm (10x10 in.)
    • (1) 2.4 mm Cu plate, 3.9x3.9 cm (10x10 in.)
  • Embedded Test Objects
    • Gammex 117 Aluminum step wedge, 11 steps; Dimensions: 5.5" x 1.5" x 1.37", step depth 0.5", step height 0.125"
    • High contrast resolution test tool: 20 line pairs from 0.6 lp/mm to 10 lp/mm
    • Contrast-detail test objects: Eight holes of 0.375" diameter with decreasing depths of: 0.006", 0.009", 0.013", 0.018", 0.025", 0.035", 0.049", 0.068" - Tolerance ±0.0020"
    • Two sets of four holes of 0.068" depth with decreasing diameters of: 0.2", 0.15", 0.1", 0.08" - Tolerance ±0.0020"
  • Alignment and Orientation Markers
    • Four corner markers for light field alignment
    • Top edge lead reference line for film orientation
    • Point alignment marker, 0.08" diameter, 0.75" deep
    • Top and front surface bubble levels
  • Ergonomic Features
    • Carrying strap
    • Thread for tripod mounting
    • Thumb screw fasteners for attaching copper attenuation plates

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