Patent · US Expired

Radiotherapy apparatus

US7242750B2 · kind B2 · utility

42Cited by
2References
15Claims
0Family size

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Key dates

Filing dateJan 14, 2005
Grant dateJul 10, 2007
Priority date
Expiry dateMay 30, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG21K1/046
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A radiotherapy apparatus comprising a radiation source configured to radiate a radiation ray, a multi leaf collimator, including a plurality of leaves, configured to limit a radiation range of the radiation ray and a drive unit configured to move at least one of the leaves with an ultrasonic wave.

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