A surgical cutting device, particularly suited for back surgery where a ruptured disk is involved. The device includes an elongated, narrow tube which has a smooth end for insertion into the area adjacent the required surgery. The tube further includes at least a single opening on the lateral surface...http://www.google.es/patents/US4844088?utm_source=gb-gplus-sharePatente US4844088 - Surgical cutting device with reciprocating cutting member
Surgical cutting device with reciprocating cutting member
