The puncture closure for closing a blood vessel with a puncture, in particular an artery, a vein short circuited with an artery, a shunt or a prosthesis, etc. has a pressure chamber in which an overpressure may be created, provided with an opening for receiving a pressure medium and fastenable to the...http://www.google.com.au/patents/US6007562?utm_source=gb-gplus-sharePatent US6007562 - Puncture closure