Apparatus for needle grasping and performing a second modality comprising a sheath axially extending between distal and proximal ends thereof. The device includes an inner hollow tube with a slot formed therein for receiving a needle at the distal end. Retraction and extension of the inner tubular member...http://www.google.es/patents/US6102920?utm_source=gb-gplus-sharePatente US6102920 - Needle grasping apparatus