The form of anchor – Ф-shaped, with protuberances on its arched arms.
On the anchor’s vertical stem is wound bimetallic copper-silver wire with nominal active surface area 380 mm2 (copper degree of purity is not less than 99,98%, the content of silver is not less than 9,3%) and is secured monofilament thread for the control of position and extraction of contraceptive.
Radio- and ultrasound opaqueness is provided by the presence of bimetallic copper-silver wire on the stem.
