An endoscopic tissue apposition device that includes a vacuum chamber
configured to securely hold a portion of tissue therein, the vacuum
chamber being defined by a proximal wall and a distal wall opposite to
the proximal wall. Working and vacuum channels are provided in
communication with the vacuum chamber. A portion of tissue is held in the
vacuum chamber when vacuum is applied in the vacuum chamber through the
vacuum channel. A carrier needle is disposed on a proximal side of the
vacuum chamber and is longitudinally advanceable into and across the
vacuum chamber, while a punch needle is disposed on a distal side of the
vacuum chamber and is configured to receive the carrier needle therein. A
hold and release mechanism holds and releases the punch needle to
facilitate joining portions of tissue together.