The present invention regards an implant that may be uniquely shaped to enhance its functionality and that may also be coated with a coating system that affects its functionality. In one embodiment the implant may have a first surface that is covered with a filter material, the filter material being...http://www.google.co.uk/patents/US20050159805?utm_source=gb-gplus-sharePatent US20050159805 - Functional coatings and designs for medical implants
