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:
May. 03, 2011
Filed:
Feb. 15, 2007
Per Carlsson, Taby, SE;
Per Carlsson, Taby, SE;
Elekta AB (Publ), Stockholm, SE;
Abstract
The present invention concerns a method, a system, a measurement tool and computer readable medium for determining a predetermined position of a positioning system in a radiation therapy system comprising a radiation therapy unit relatively a fixed radiation focus point of the radiation therapy unit. The method comprises positioning () a diode element, obtaining () measurement data at each of a predetermined number of measurement points from a radiation intensity curve, determining () a three-dimensional centre coordinate of the obtained coordinates, and determining () the predetermined position of a patient positioning unit () relatively to a fixed focus point of a radiation unit () using the determined three-dimensional centre coordinate.