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3D Ultrasound Imaging is an advanced, high-precision patient positioning system designed for radiation therapy delivery that is mostly used for prostate cancer patients. The system provides real-time 3D reconstruction of the planned target at time of treatment. The therapist positions the patient on the treatment couch using the treatment room lasers and acquires the patient’s target volume using 3D ultrasound imaging. Based on the obtained images, the therapist adjusts the treatment table so the patient actual treatment coordinates correspond to the treatment planning reference point.  Once the accuracy of the patient’s position is confirmed, the therapist turns on the beam to treat the patient.  The procedure is repeated for each scheduled treatment to ensure that the patient receives the prescribed dose to the intended target.

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