Small fields at center stage

PTW showcases new developments for small field dosimetry at ESTRO 2011

The challenges of small field dosimetry have become a key issue within the medical physics community. As the leading conference for radiation oncology in Europe, the ESTRO Annual Meeting in London this year offered a perfect opportunity for PTW to reveal its latest developments in this field. In addition to a broad choice of high-precision small field detectors PTW presented for the first time its new OCTAVIUS Detector 1000^SRS, the latest addition to the OCTAVIUS detector family.

The OCTAVIUS Detector 1000^SRS is the first and only 2D flat-panel detector array worldwide which employs liquid-filled ionization chambers.
It was specially designed to meet the complex demands of small field dosimetry. Contrary to diode detector arrays the liquid-filled ionization chambers developed by PTW are nearly water equivalent. Similar to dosimetric films they offer an almost complete field coverage along with a high spatial resolution.

This makes the OCTAVIUS Detector 1000^SRS the ideal solution for patient plan QA and machine QA in sterotactic radiotherapy and radiosurgery.
With up to 977 ionization chambers, a very small detector size of 2 mm x 2 mm x 0.4 mm und a spatial resolution of 2.5 mm, the new OCTAVIUS detector array delivers highly precise measurement results for field sizes of less than 1 cm x 1 cm up to 10 cm x 10 cm.

The new OCTAVIUS Detector 1000^SRS will be available end of 2011.