an autoclavable x - ray cassette holder removably receives and contains an x - ray cassette and maintains a patient &# 39 ; s limb and / or extremities in a position on the holder relative to the x - ray cassette without requiring an attendant , thereby eliminating radiation exposure to the attendant . the holder has a thin rectangular hollow box - like main body formed of rigid radiolucent autoclavable material with an open end defining a central compartment surrounded by contiguous top and bottom walls , side walls , and an end wall . a plurality of slot - like depressions are formed along its side walls and end wall . an end cap removably snap fits on the main body open end to enclose the central compartment . a plurality of clip members are releasably engaged with respective pairs of the slot - like depressions at selective positions and receive and engage the free ends of resilient hold - down bands that extend across the patient &# 39 ; s limb and / or limb extremities to resiliently maintain the limb or extremities in a position against the cassette holder relative to an x - ray cassette contained in the central compartment while obtaining intraoperative radiographs . the clips can also be engaged in slots in a support stand that supports the cassette holder in a vertical position .