Patents by Inventor Rajko Topolnjak

Rajko Topolnjak has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Multi-leaf collimator
    Patent number: 7095823
    Abstract: A multi-leaf collimator is disclosed which alleviates the problems of inter-leaf leakage and pixellation. The collimator comprises a first multi-leaf collimator set, a second multi-leaf collimator set at an acute angle to the first, and a third multi-leaf collimator set at an acute angle to the second. Each multi-leaf collimator set will usually include a pair of leaf banks mutually opposed to each other. The acute angle between the first and the second multi-leaf collimator set is preferably the same as the acute angle between the second and the third set. A suitable angle is about 60°.
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: August 22, 2006
    Assignee: Elekta AB (Publ)
    Inventors: Rajko Topolnjak, Uulke van der Heide, Jan Lagendijk
  • Multi-leaf collimator
    Publication number: 20050008123
    Abstract: A multi-leaf collimator is disclosed which alleviates the problems of inter-leaf leakage and pixellation. The collimator comprises a first multi-leaf collimator set, a second multi-leaf collimator set at an acute angle to the first, and a third multi-leaf collimator set at an acute angle to the second. Each multi-leaf collimator set will usually include a pair of leaf banks mutually opposed to each other. The acute angle between the first and the second multi-leaf collimator set is preferably the same as the acute angle between the second and the third set. A suitable angle is about 60°.
    Type: Application
    Filed: July 7, 2004
    Publication date: January 13, 2005
    Inventors: Rajko Topolnjak, Uulke Heide, Jan Lagendijk