Mevion S250i Proton Beam Delivery Nozzle Assembly from Japan
Mevion S250i proton therapy beam delivery nozzle assembly includes scanning magnets, range shifters, and scattering systems for image-guided proton radiotherapy. Delivers pencil beam scanning and double-scattered proton treatments. Classified HTS 9022.90.1500 as radiation beam delivery unit for particle therapy ionizing apparatus.
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 proton spot size, range, and SOBP commissioning data per IAEA TRS-398 protocol
• Include gantry angle-independent beam matching verification reports
• Document upstream cyclotron and beam transport line interface specifications