A system, a closure, and method of use for sealing a percutaneous puncture in a blood vessel. The puncture includes an opening in the vessel wall and a tract leading to the opening. The system includes an introducer sheath and associated positioning device, a hemostatic puncture closure, and a deployment...http://www.google.com/patents/US5935147?utm_source=gb-gplus-sharePatent US5935147 - Hemostatic puncture closure system and method of use
