Tomotherapy Hi-Art Integral Beam Delivery Ring from Japan
Tomotherapy Hi-Art integral beam delivery ring combines linear accelerator, multileaf collimator, and megavoltage CT scanner in rotating gantry for helical tomotherapy treatments. Delivers intensity-modulated radiation therapy with daily IGRT. HTS 9022.90.1500 specifically for such radiation beam delivery units.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide helical delivery dosimetric validation including slice-by-slice modulation verification
• Include binary MLC sequencing algorithm validation and couch motion synchronization data
• Document integrated MVCT image quality assurance protocols and Hounsfield unit calibration