Patent ID: 7785285

Claim:
A method of inserting a punctal plug into a punctum canaliculus, the punctal plug comprising a shaft, a tip portion attached to one end of the shaft, a brim attached to the other end of the shaft, and a fine thread, having two ends, removably inserted into a part of the punctal plug, said method comprising the steps of: inserting said punctal plug into a punctum canaliculus; thereafter, if the punctal plug is not placed in a proper position, simultaneously pulling both ends of the fine thread so that the punctal plug is pulled out of the punctum canaliculus, and then reinserting said punctal plug into a punctum canaliculus; and if the punctal plug is placed in the proper position pulling one end of the fine thread so that the thread is pulled out of the punctal plug and then removed from the punctal plug.