An implantable prosthesis and device and method for loading and delivering the implantable prosthesis to a trocar cannula. The implantable prosthesis includes a body portion sufficient to extend across and occlude a defect opening and a semi-rigid ring for supporting the body portion. The implantable...http://www.google.de/patents/US5695525?utm_source=gb-gplus-sharePatent US5695525 - Implantable prosthesis and method and apparatus for loading and delivering an implantable prosthesis 
