RT ALIGN

Features

• Radiation vs. Light field coincidence
• Field size check
• Couch travel check (3 dimensions)
• EPID scaling and travel
• Couch rotation
• Isocenter alignment

Routine QA

• Perform EPID-based field size and light field coincidence checks
• EPID scaling and movement using embedded BBs
• Variety of couch movement tests including 3 dimensional travel and rotation
• Isocenter alignment (Winston-Lutz) tests using central BB marker

General Features

• Laser alignment marks
• Use on EPID surface or couch
• Fiducial marks for 5×5, 10×10, 15×15, and 20×20 field sizes
• Embedded BBs for phantom edges, center, and offset locations
• Lightweight construction
• Accurate placement of alignment marks and BBs