·Puncture needle is made of top quality medical steel, which give balanced strength and tenacity, easy to operate. ·Triple cut blade of the tip provides a sharp and easy puncture, minimizing hurt and bleeding. ·Echogenic tip design enhances visualization under ultrasound. ·Inner wall of needles polished to avoid the risk of oocyte damage. ·The thumb notch on handle indicates the orientation of the needle bevel. ·Longer aspiration and pump tubing for flexible movement. ·Single lumen and double lumen, different gauges needle for choosing.