A cast saw for removing hard orthopaedic bandages, for example formed of plaster is disclosed. The cast saw is a unitary device containing a rechargeable battery pack in a removable filter form collection chamber. A shroud covers at least a portion of the saw blade and such shroud is movable by the cutting...http://www.google.es/patents/US5878607?utm_source=gb-gplus-sharePatente US5878607 - Surgical cast cutter
