AlignRT® is a 3D surface imaging system designed specifically to meet the challenges of modern radiotherapy. It forms part of the package of image guided solutions that are now available in many modern radiotherapy departments. Frequently Asked Questions: What is Image Guided Radiotherapy? Image guided radiotherapy utilises imaging technologies in order to position the patient repeatedly into the correct position for their radiotherapy treatment. Some image guidance systems use X-Rays whereas AlignRT® is a purely optical system so there is no additional exposure to potentially harmful radiation. What can AlignRT® do for you? AlignRT® can provide the radiographer or therapist with valuable additional information in order to ensure that the patient is positioned correctly on every treatment visit. It can also be left running while the patient is having their treatment in order to detect even the smallest of movements ensuring that the treatment is always targeted to the right place. How does it work? AlignRT® uses two sets of camera units and a patterned light in order to reconstruct 3D surface data. During the treatment planning session AlignRT® acquires a reference image when the patient is in the optimum position. When the patient is treated, a new image is taken and matched to the original reference image. The radiographer or therapist is provided with coordinate information so that the patient can be aligned correctly in all directions. What will I experience? This is a completely non contact system so the only thing that the patient will notice is either a camera flash or a light shining from the camera units. This is quite bright compared to the dim room lights in the radiotherapy treatment room so it is advisable not to stare directly into the lights.
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