#$%^&*AU2009236031B220120628.pdf#####According to one aspect of the invention there is provided a surgical instrument comprising: a blade a housing in which the blade moves, the housing having a long axis a transmission that converts rotary motion to reciprocating, linear motion, wherein the transmission is coupled to the blade such that the blade moves reciprocally in the housing a first opening in the housing through which a portion of the blade is exposed and a cutting surface on said exposed portion of the blade, said surface configured to perform at least one of grinding, filing, and cutting of tissue.
