ZDi Solutions LLC announced that it will soon market its Z-System patient positioning devices to proton therapy and conventional radiation therapy facilities in the United States, with plans to collaborate worldwide. The system is comprised of the Z-Box, Z-Square and Z-Tilt. The team from ZDi will be attending the annual meeting of the American Society for Therapeutic Radiology and Oncology (ASTRO) in Boston Sept. 25-28 to demonstrate the technology.