An anastomosis device includes a deployable section that may be connected to a discard section. The deployable section may be configured to expand in two substantially orthogonal directions during deployment. The deployable section may include a ring that includes one or more expandable elements....http://www.google.co.uk/patents/US7455677?utm_source=gb-gplus-sharePatent US7455677 - Anastomosis device having a deployable section