A surgical instrument for deploying an anastomotic ring device has a ring
deployment mechanism, which is configured to receive and deploy an
anastomotic ring. The instrument further comprises a flexible elongate
shaft having one or more actuation cables extending therethrough. The
shaft also has an imaging element, which is coupled to a camera with a
lens located in the tip of the instrument. The instrument may be inserted
through the esophagus of a patient to deploy an anastomotic ring device.