An apparatus for sealing a passage through tissue includes a bioabsorbable, threaded plug carried by a delivery device. A guide wire is receivable through lumens in the plug and delivery device that includes wings on a bioabsorbable distal portion. With the wings collapsed, the guide wire is advanced...http://www.google.co.uk/patents/US7753933?utm_source=gb-gplus-sharePatent US7753933 - Plug with detachable guidewire element and methods for use
