An apparatus for engrafting a blood vessel comprising: a plurality of strings, a tubular graft having a central lumen, wherein the plurality of strings are removably attached to the tubular graft, the graft is removably positioned at least partially within a restraining means, such as a sheath introducer,...http://www.google.fr/patents/US5948017?utm_source=gb-gplus-shareBrevet US5948017 - Modular graft assembly
