A removable device such as a stent-graft, intended for applications where it may be desirable to remove the device at some time following implantation. The stent-graft of the present invention includes a helically-wound stent component provided with a covering of graft material. It is removable by gripping...http://www.google.ca/patents/US8197529?utm_source=gb-gplus-sharePatent US8197529 - Removable stent-graft