A device for driving surgical fasteners into tissue such as the menisci of the knee. The device essentially consists of a tubular housing member through which a piston shaft passes. The piston shaft extends at a first end and terminates in a gripping knob which facilitates retraction of the piston from...http://www.google.co.uk/patents/US5398861?utm_source=gb-gplus-sharePatent US5398861 - Device for driving surgical fasteners
