Embodiments of the invention are related to an apparatus for suturing a tissue. The apparatus includes an outer tube, a thread threaded in the outer tube and at least one anchoring element located inside the outer tube and configured to be inserted into the tissue from an outlet end of the outer tube. The outer tube is configured to freely accommodate the thread and the at least one anchoring element, and the anchoring element includes a body adapted to be threaded on the thread and having at least locking element for locking the thread to the anchoring element.
