| 摘要 |
An irrigating cannula fittable to a connecting pipe at the forward end of a handpiece and adapted to extract the lens nucleus for use in extracapsular cataract extraction, wherein a small-diameter tube extending from a fitting is provided with a flat insertion piece projecting laterally from the forward end of the tube and having a flow outlet which is open at the forward end of the piece and communicates with the channel of the tube, and a restraining piece extends from the connection of the base end of the insertion piece to the tube in a direction opposite to the insertion piece. |
