Various embodiments of the shape memory alloy staple include features such as barbs on the inner and outer surfaces of the prongs in the shape memory alloy staple as well as...http://www.google.com.au/patents/US6773437?utm_source=gb-gplus-sharePatent US6773437 - Shape memory alloy stapleAdvanced Patent SearchPublication numberUS6773437 B2Publication typeGrantApplication numberUS 09/967,148Publicat