This phantom can be used to check the alignment of the internal and external lasers to the radiographic center of CT and PET/CT units and to verify lateral gantry angle. It can also be used with accelerator units to check vertical and lateral gantry angles, laser alignment and vertical table movement.
Models
- PRO04-601 – CT laser alignment check version
- PRO04-602 – CT laser alignment check and calibration version (with aluminium seeds insert)
- PRO04-603 – PET/CT alignment check version (with tungsten ball)
Technical Data
Technical Data (can be modified to customer specifications):
- made of transparent PMMA 150 x 150 x 50 mm
- large 150 x 150 mm sides include:
- centering scribe lines that go across the phantom on one side
- two large holes 9.5 mm in diameter, 106 mm apart center to center in the exact center of a quadrant of the phantom
- Small 50 x 150 mm sides include:
- scribed lines through the center of all four sides
- 2 of those sides are also scribed 50 mm from center
- 3 pinholes one at center and two 50 mm from center
- center pinholes are 2 mm in diameter and hold a tungsten pin 15 mm long
- off center pinholes are 1.0 mm in diameter
- scribed lines are 1 mm wide and white for ease of viewing
- optional 5.5 mm diameter tungsten ball in the center for sterotactic collimator verification (it is removable for CT applications)
- optional insert containing 5 aluminium seeds 1 mm in diameter and 5 mm long with a chart indicating center to center spacing between seeds
- Levelling platform:
- made of transparent PMMA
- dimensions: 150 x 150 x 10 mm
- bubble level and three levelling screws
