The present invention is principally directed to an apparatus for unsheathing, resheathing and handling needles. The preferred embodiment includes an elongated housing having an opening at one end that communicates with an internal chamber. Sheath retaining members are disposed substantially adjacent...http://www.google.ca/patents/US4955865?utm_source=gb-gplus-sharePatent US4955865 - Needle unsheathing, resheathing and handling apparatus
