Abstract: An improved aerosolized bone dust and body fluid extraction system for an oscillating or reciprocating saw includes a water line, control valve and inlet nozzle to spray water into the area in and around an oscillating or reciprocating saw blade and an exhaust manifold to aid in the removal of aerosolized bone dust and body fluids during cutting. Additionally, the end of the housing holding the oscillating or reciprocating saw blade may be provided with a vented elongated shaped skirt member for guarding against splatter of aerosolized bone dust and body fluids and for acting against the surface being cut by the saw blade so as to improve the efficiency of the exhaust system and prevent the spread of aerosolized bone dust and body fluids to thereby prevent the spread of toxic materials and/or communicable diseases.

Abstract: The invention shows a filling apparatus for the introduction of bone cement into the intramedullary cavity of a bone, preferably into the cavity of a femur bone. The apparatus has a filling cannula, at the end of which a rubber sleeve in the form of a sheet metal bell is fastened which projects with its movable part radially beyond the diameter of the filling cannula and axially beyond a lowermost outlet aperture of the filling cannula. Because the sleeve is executed in the lower expandable part with a thickness 1 mm<s<2 mm and is fastened above an uppermost outlet aperture of the filling cannula at a distance 3 mm<1<50 mm and projects with its lower edge beyond a lowermost deflection edge 11a of a lower outlet aperture by a distance 5 mm<a<50 mm, its cross-section adapts to the cavity wall when being introduced without getting caught up and seals it during the expulsion of the bone cement.