A puncture site closure apparatus includes a collar for being disposed on a portal sleeve extending through an opening in anatomical tissue and a pair of guide members disposed on opposite sides of the collar. The guide members are angled in directions opposite one another to form a predetermined angle...http://www.google.fr/patents/US6203554?utm_source=gb-gplus-shareBrevet US6203554 - Apparatus, kit and methods for puncture site closure
Apparatus, kit and methods for puncture site closure
