The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2005
Filed:
Jun. 30, 2003
Applicants:
Per Carlsson, Sundbyberg, SE;
Gert Hanner, Kalmar, SE;
Ivars Alksnis, Trångsund, SE;
Anders Nilsson, Stockholm, SE;
Peter Fröberg, Vaxholm, SE;
Inventors:
Per Carlsson, Sundbyberg, SE;
Gert Hanner, Kalmar, SE;
Ivars Alksnis, Trångsund, SE;
Anders Nilsson, Stockholm, SE;
Peter Fröberg, Vaxholm, SE;
Assignee:
Elekta AB, Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21K001/02 ; G21K005/04 ; A61N005/10 ;
U.S. Cl.
CPC ...
Abstract
A radiation therapy device and a method of changing the spatial dose distribution surrounding a focus are disclosed. At least a subset of the radioactive sources in a source carrier is linearly displaceable relatively to at least a subset of collimator passage inlets, or vice versa.