Patent · US Active

Multi level multileaf collimators

US9082520B2 · kind B2 · utility

19Cited by

8References

14Claims

0Family size

Assignee

VARIAN MEDICAL SYSTEMS, INC. · US

Inventors

Steven W. Prince · San Francisco, US
Stanley Mansfield · Sunnyvale, US

Key dates

Filing date	Dec 30, 2013
Grant date	Jul 14, 2015
Priority date	—
Expiry date	Dec 30, 2033

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.