Patent · US Expired

Jaw and circular collimator

US6041101A · kind A · utility

25Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1998
Grant dateMar 21, 2000
Priority date
Expiry dateAug 17, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG21K1/04
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A collimator apparatus for a treatment planning machine that delivers a beam. A circular collimator defines a circular aperture for the beam. At least one movable collimator jaw is moved into the projection of the circular aperture with respect to the beam in order to eclipse a portion of the beam.

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