An everting catheter system comprising an elongated outer tubular body having an outer body lumen and an opening leading from the outer body lumen, an elongated inner tubular body movable longitudinally in the outer body lumen and having an inner body lumen and an everting element coupled to the outer...http://www.google.com/patents/US5630797?utm_source=gb-gplus-sharePatent US5630797 - Everting catheter system and method of utilizing the same
