Radiation protection arrangement for attachment to a support rail which is attached to one side of a treatment table, comprising: a holder on which a radiation protection curtain is arranged, wherein the holder can be placed on the support rail and has a fastening device with which the holder can be fastened to the support rail , wherein the fastening device is formed on one side of the holder and has at least one first clamp part and at least one second clamp part, the first and second clamp part each having an L-profile with a first leg (L1, L1 ') and a second leg ( L2, L2 '), wherein the first and the second clip part are arranged such that the first legs (L1, L1') are aligned parallel and the second legs (L2, L2 ') point to each other, and the first clip part at an upper edge of the holder and the second clamp part are arranged on a lower edge of the holder that the first clamp rpart based on a longitudinal direction of the holder is arranged at a first distance from the second bracket part such that the holder can be brought into contact with the carrier rail in a first position in which the holder is pivoted relative to the carrier rail and can be brought into contact by a pivoting movement second position can be brought, in which the holder is attached to the support rail.
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