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