Patent · US Active

Scanning aperture ion beam modulator

US7977648B2 · kind B2 · utility

52Cited by
26References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 2008
Grant dateJul 12, 2011
Priority date
Expiry dateMar 12, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG21K1/046
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A modulator for ions such as protons employs multiple shutter pairs to create independently movable apertures effecting a multiple pencil beam treatment of the patient thereby increasing treatment speed by eliminating the need for a custom compensator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.