Patent · US Expired

Radiation therapy device

US6968036B2 · kind B2 · utility

9Cited by

7References

30Claims

0Family size

Assignee

Elekta AB · SE

Inventors

Per Carlsson · Sösdala, SE
Gert Hanner · Gnosjö, SE
Ivars Alksnis · Knivsta, SE
Anders Nilsson · Västerås, SE
Peter Froberg · Vaxholm, SE

Key dates

Filing date	Jun 30, 2003
Grant date	Nov 22, 2005
Priority date	—
Expiry date	Oct 17, 2023

Classification

Technology area (CPC G)Physics
CPC primaryG21K1/04
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A radiation therapy device and a method of changing the spatial dose distribution surrounding a focus are disclosed. A subset of radioactive sources in a source carrier arrangement is displaceable relatively to collimator passage inlets, while the rest of the sources are fixed relatively to said collimator passage inlets.

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