An assembly (102, 602, 1102, 1250) for cleaning bone stock, said assembly including: at least one cleaning element (690, 724, 1230, 1264) adapted to, when actuated, remove soft tissue from bone stock; a press component configured to move relative to said at least one cleaning element (690, 724, 1230, 1264), the press component adapted to urge bone stock to be cleaned against the at least one cleaning element; a drive assembly (170, 234, 278, 420) configured to move the press component towards and away from the at least one cleaning element (690, 724, 1230, 1264) so as to result in a plurality of press phases, wherein, in each press phase, the press component is positioned adjacent said at least one cleaning element so that, in a press phase, bone stock is urged against the at least one cleaning element and, when the bone stock is urged against the at least one cleaning element, actuate the cleaning element so as to result in the removal of soft tissue from the bone stock, characterized in that: a clearing component (780, 1258) is located adjacent the at least one cleaning element (690, 724, 1230, 1264) and is moveable relative to the at least one cleaning element and said clearing component is adapted to remove bone stock trapped by the cleaning element from the cleaning element; and the drive assembly (170, 234, 278, 420) is further configured to, between press phases, cause said assembly to enter a clear phase by moving said clearing component (780, 1258) towards the at least one cleaning element (690, 724, 1230, 1264) so as to cause said clearing component to clear bone stock from the at least one cleaning element. at least one cleaning element (690, 724, 1230, 1264) adapted to, when actuated, remove soft tissue from bone stock; a press component configured to move relative to said at least one cleaning element (690, 724, 1230, 1264), the press component adapted to urge bone stock to be cleaned against the at least one cleaning element; a drive assembly (170, 234, 278, 420) configured to move the press component towards and away from the at least one cleaning element (690, 724, 1230, 1264) so as to result in a plurality of press phases, wherein, in each press phase, the press component is positioned adjacent said at least one cleaning element so that, in a press phase, bone stock is urged against the at least one cleaning element and, when the bone stock is urged against the at least one cleaning element, actuate the cleaning element so as to result in the removal of soft tissue from the bone stock, characterized in that: a clearing component (780, 1258) is located adjacent the at least one cleaning element (690, 724, 1230, 1264) and is moveable relative to the at least one cleaning element and said clearing component is adapted to remove bone stock trapped by the cleaning element from the cleaning element; and the drive assembly (170, 234, 278, 420) is further configured to, between press phases, cause said assembly to enter a clear phase by moving said clearing component (780, 1258) towards the at least one cleaning element (690, 724, 1230, 1264) so as to cause said clearing component to clear bone stock from the at least one cleaning element. a clearing component (780, 1258) is located adjacent the at least one cleaning element (690, 724, 1230, 1264) and is moveable relative to the at least one cleaning element and said clearing component is adapted to remove bone stock trapped by the cleaning element from the cleaning element; and the drive assembly (170, 234, 278, 420) is further configured to, between press phases, cause said assembly to enter a clear phase by moving said clearing component (780, 1258) towards the at least one cleaning element (690, 724, 1230, 1264) so as to cause said clearing component to clear bone stock from the at least one cleaning element.