A surgical tilt anvil assembly including a rod and a head assembly including an anvil plate having staple deforming pockets. The head assembly is pivotally secured to the rod and pivotal in relation to the rod between a first tilted position, a non-tilted position and a second different tilted position....http://www.google.es/patents/US8109426?utm_source=gb-gplus-sharePatente US8109426 - Surgical tilt anvil assembly
