Pro-RT AlignCube 6DoF
6DoF Treatment Couch Test Plate - Diagnomatic by Pro-Project

Pro-RT AlignCube 6DoF from Diagnomatic by Pro-Project provides reference and offset positions for checking treatment couch translations and rotations with the separately sold AlignCube phantom.

AlignCube 6DoF plate - reference and offset cutouts
AlignCube 6DoF plate - reference and offset cutouts
Plate shown with the separately sold AlignCube phantom
Plate shown with the separately sold AlignCube phantom

Click a photo or illustration to enlarge it.

It can be used to test

  • 6DoF table correction accuracy
  • SGRT systems
  • automatic couch shift and rotation adjustment
  • phantom positioning repeatability
  • image-guided positioning workflows

Specifications

  • dimensions 230 x 230 x 30 mm
  • material: PMMA
  • color: white
  • external markings of the central and offset position
  • spirit level

Features and Test References

  • CE marked
  • Includes a manual covering the tests, result evaluation and recording.
  • The Pro-RT AlignCube 6DoF Plate is designed to support QA procedures consistent with AAPM TG-142 recommendations for image-guided positioning/repositioning and treatment couch correction verification.

Reference and Offset Positions

Use the left cutout as the upright reference and the right cutout for the defined offset. Following CBCT verification, the couch correction can be compared with the reference position.

At the 12 o'clock mounting orientation, the specified offsets are:

AxisTranslationRotation
X+15 mm-2.5°
Y-10 mm-2.0°
Z+4 mm+1.5°

The underside mounting cutouts allow 12, 3, 6 and 9 o'clock orientations. A compatible adapter connects the plate to the treatment couch. The plate is an optional accessory; the AlignCube phantom is sold separately.

Additional Product Illustrations

Two renderings of the Pro-RT AlignCube 6DoF Plate with the AlignCube phantom: on the left in the upright reference "zero" cutout, on the right in the predefined 6DoF offset cutout, with the mounting adapter shown below.
Two renderings of the Pro-RT AlignCube 6DoF Plate with the AlignCube phantom: on the left in the upright reference "zero" cutout, on the right in the predefined 6DoF offset cutout, with the mounting adapter shown below.
Diagram of the 6DoF shifts and rotations introduced by the offset cutout of the plate.
Diagram of the 6DoF shifts and rotations introduced by the offset cutout of the plate.
The four mounting orientations of the plate - 12, 3, 6 and 9 o'clock - and the resulting direction of the applied shifts and rotations.
The four mounting orientations of the plate - 12, 3, 6 and 9 o'clock - and the resulting direction of the applied shifts and rotations.

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