The DP-1000 is the most comprehensive "End-to-End" phantom that evaluates the entire radiotherapy process for Simulation, Treatment Planning, Imaging, and Delivery, including TG-53, TG66, and TG-142.
The DP-1000 is constructed of Solid Water HE material

Key Features

SBRT Target Pseudo-Anthropomorphic Anatomy

  • Ribs
  • Vertebrae
  • Spinal Cord
  • Lung
  • Kidney

SBRT Dosimetry

  • Rotating Lung Film Rod Insert
  • Spinal Cord Film Insert
  • Multiple Ion Chamber Cavities
  • NanoDot Insert


  • Laser Alignment & Orientation for gantry, walls, ceiling
  • CT Couch Orientation, indexing, motion, and position
  • Slice Thickness / Profile Width & Sensitivity Profile
  • CT Number Constancy
  • Field Uniformity & Image Noise
  • Spatial & Contrast Resolution
  • Virtual SIM with Hidden Target Localization, Contouring, & Laser Movement Accuracy

Treatment Planning QA

  • High-Contrast Kidney Target
  • High-Contrast Triangle Target
  • DICOM Transfer (Scan vs. Export Orientation, Position, Flip, etc.)
  • Spatial & Contrast Resolution
  • Slice Thickness
  • Field Uniformity & Noise
  • CT Number Constancy
  • In-Plane Spatial Integrity
  • Contouring, Margin Creation, DRR Spatial, Dose and DVH Accuracy

Treatment Imaging QA

  • DICOM & Volume Transfer Accuracy
  • Spatial Integrity Accuracy
  • TG-142 Position / Reposition, Monthly
  • kV Imaging and Treatment Coordinate Coincidence
  • CBCT Distortion, Spatial Resolution, Contrast, Constancy, Uniformity & Noise

Treatment Delivery QA

  • High-Contrast Kidney Target with Ion Chamber Measurements
  • High-Contrast Triangle Target with NanoDot Measurement
  • Rotating Lung Rod Target bisected by Film Plane
  • Spinal Insert bisected by Film Plane
  • Plan Delivery Accuracy
  • Dose Verification
  • Target Localization Delivery Accuracy

Full Description

In 2018, our original DP-850 was redesigned as the DP-1000 with even more features and a water-equivalent material.

The DP-1000 is the most comprehensive “end-to-end” phantom available that evaluates the entire radiotherapy treatment process. The DP-1000 is designed to fully comply with AAPM TG-66 requirements for CT simulators as well as key components of AAPM TG-53 for treatment planning system quality assurance, and TG-142 accelerator QA.

Packed with dozens of features, including a pseudo spinal cord insert bisected by a film plane, and rotating lung rod insert also bisected by a film plane. 

The DP-1000 consists of 4 primary modules that are assembled using rods, of a density similar to trabecular bone, around the periphery. Various internal structures and test objects as well as external engravings and fiducials are utilized for integrated testing.

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