Device for mixing and applying a paste such as bone cement or the like, including a cylinder 3 receiving the paste, a piston 1 reciprocable in the cylinder 3, a piston rod 2 displaceable and rotatable in the piston 1 and forming mixing means 21 for paste received in the cylinder 3, and latch means for...http://www.google.com.au/patents/US7513679?utm_source=gb-gplus-sharePatent US7513679 - Device for mixing and delivering bone cement
