An assembly of devices designed to apply a vacuum to a cushion or bag filled with foam-like material that is placed under, on, or around a patients body parts. A vacuum is applied to the contents of the cushion forming a patient specific (custom-made) mould. The moulds can be whole body or selected body parts and help ensure adequate positioning and immobilization of the patient during diagnostic imaging and/or radiation therapy procedures facilitating reproducible positioning for serial procedures. This system typically includes reusable foam-filled bags, cushions, a vacuum unit, hardware, seals, and interfaces used to connect the mould to another patient positioning system (PPS).
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