Patent ID: 8777970

Claim:
An anastomosis device comprising: a first head holding a first anastomosis ring; a second head holding a second anastomosis ring; a first guide bar connected to the first head and switching a release position and a standby position to each other, wherein the first and second anastomosis rings are directed upward at the release position, and the first and second anastomosis rings face each other at the standby position, and the first guide bar includes a first rotation groove that extends in a spiral shape approximately in a longitudinal direction of the first guide bar; a second guide bar connected to the second head and switching the release position and the standby position to each other, wherein the second guide bar includes a second rotation groove that extends in a spiral shape approximately in a longitudinal direction of the second guide bar; and a rotation driver moving approximately in a parallel direction to the first and second guide bars and including a first guide protrusion and a second guide protrusion, which move along the first and second rotation grooves, respectively, wherein the first and second guide bars switch the standby position and the release position to each other according to the movements of the first and second guide protrusions along the first and second rotation grooves.