Phantoms and methods for quality assurance of hadron therapy devices
A technology of treatment equipment and phantom, which is applied in the field of quality assurance of hadron treatment equipment, and can solve the problems of reducing the efficiency of treatment facilities due to verification time and so on.
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[0046] figure 1is a perspective view of a phantom 10 according to an embodiment of the present invention. The frame structure 30 includes a base plate 35 having a first edge 50 and a second edge 60 . A number of elements can be mounted on the base plate: energy wedge 70 , SOBP wedge 170 , material block 100 . Three energy wedges are shown, but more or fewer energy wedges may be used. There is also a SOBP wedge 170 . The block of material 100 may be used to support absolute dosimeters and / or to support markers for positioning the phantom. The 2D detector is arranged at the second edge 60 of the base plate 35 and is mounted perpendicular to the second edge. One or two handles 32 may be positioned on the sides of the phantom 10 to facilitate manipulation and to increase the stiffness of the phantom 10 .
[0047] The SOBP wedge 170 and optionally the energy wedge 70 are made of a material with a relative density higher than 1.3, preferably higher than 1.5, preferably higher t...
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