Apparatus is provided for sealing a puncture within a vessel or tissue to provide hemostasis, comprising a first disk coupled to either a second disk or a spring, and sealingly engaged to the vessel or tissue surrounding the puncture. At least the first disk is preferably configured to substantially...http://www.google.es/patents/US8147513?utm_source=gb-gplus-sharePatente US8147513 - Apparatus for sealing surgical punctures