Saturday, September 4, 2010

D10/20 Phantom

Required for Daily QA of Linac for energy verification of the X-ray Photon beam. Made of PMMA with Ionization Chamber centre at 10cm. from one face and 20cm. from other face, it is quick to set up with help of cross-hair marking at faces.

Sukriti's D10/20 phantom allows change of chamaber insert(0.6cc or 0.125cc)on site basis.






Constructed of PMMA

Thursday, September 2, 2010

Water Phantom with Manual Depth Dose Appratus

Making economical, fast and accurate water phantom for dose measurement of external radiotherapy beams is always challenging.

Water Pahntom developed at Sukriti has a tank of 38cm x 38cm and 38cm made of ~10mm thick acrlylic with water drain. It has horizontal scales on two faces to place the chamber on central axis or off-axis position for primary beam measurement



Manual Depth Dose appratus is constructed of brass and acrylic which is attached to one of the side walls of the water tank.Top mounted manual crank allows exact vertical position with 1mm resolution.


Water tank is small enough for quick set up yet provide large enough data for clinical evaluation as per dosimetry protocol.




Acrylic probe holder for micro and farmer chambers are provided with the water phantom.

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