Patent · US Active

Multi level multileaf collimators

US8637841B2 · kind B2 · utility

36Cited by
8References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 23, 2010
Grant dateJan 28, 2014
Priority date
Expiry dateMar 18, 2031

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61N5/1045
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A multilevel MLC includes a first set and a second set of a plurality of pairs of beam blocking leaves arranged adjacent one another. Leaves of each pair in the first set are disposed in an opposed relationship and longitudinally movable relative to each other in a first direction. Leaves of each pair in the second set are disposed in an opposed relationship and longitudinally movable relative to each other in a second direction generally parallel to the first direction. The first and second sets of pairs of leaves are disposed in different planes.

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