Initia RT launches real-time IGRT tracking device TrackBeam

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Initia’s RT division is introducing TrackBeam at the American Society for Therapeutic Radiology and Oncology (ASTRO) meeting this week in Philadelphia. TrackBeam is capable of tracking a moving target, while delivering radiation treatment using collimator- based technology. TrackBeam combines Initia’s patented TrackLeaf cross-leaf mMLC (micro multi-leaf collimator) with its TrackPort mini-portal imaging device to deliver real-time target tracking using the MV treatment beam of the linear accelerator. TrackBeam’s configuration allows for beam-steering, with real-time target localization and tracking using dynamic aperture shaping. The advantages of the patented TrackLeaf cross-leaf mMLC are high resolution beam steering and tracking. Thus, the system is capable of high resolution real-time tracking of a shaped aperture. The small-field, high-resolution, light-weight TrackPort can be attached easily and precisely registered to the mMLC. TrackPort acquires real-time video images and delivers processed data to TrackLeaf for immediate response. TrackBeam is optimal for current uses such as IMRT (intensity modulated radiotherapy) and SRS (stereotactic radiosurgery), TrackBeam also was developed to address the needs of the evolving IGRT (image guided radiotherapy) field to improve the practice of radiotherapy by taking into account internal organ motion and real-time target tracking, the company said.