Patent ID: 9643029
Date: 2017-05-09
CPC Classifications: A61N

Claim:
1. A quality assurance device configured to provide position verification using a plurality of positioning systems, the device comprising: an outer housing enclosing a dosimetric insert, and being constituted of a first housing portion and a second housing portion, the first housing portion having a first recessed portion and the second housing portion having a second recessed portion, the first and second recessed portions forming a composite recess when the first and second housing portions are assembled together, the outer housing including a plurality of markers arranged at predetermined positions on the outer housing, the plurality of markers comprising one or more electromagnetic transponders; and the dosimetric insert, which is constituted of a first dosimetric insert piece and a second dosimetric insert piece, the dosimetric insert being arranged within the composite recess such that the first dosimetric insert piece is positioned in the first recessed portion and the second dosimetric insert piece is positioned in the second recessed portion, the dosimetric insert including therewithin a plurality of elements of different shapes, dimensions, and densities, the elements having predetermined positions relative to each other, wherein one or more of the plurality of elements are dose distribution measuring elements configured to provide dose distribution information of radiation dose delivered to the device, and one or more of the plurality of elements are position determining elements configured to provide position information of the dose distribution measuring elements relative to other elements of the dosimetric insert, wherein the first and second dosimetric insert pieces are configured to be detachably attached to each other, so as to hold the one or more dose distribution measuring elements in between the first and second dosimetric insert pieces.