FIELD: medicine.
SUBSTANCE: invention relates to medicine. Frameless copper-releasing contraceptive intrauterine device (IUD) or hormone-releasing contraceptive intrauterine system (IUS) contains holding thread, for instance, suture thread, supporting active element (elements), and fixer, to be introduced into uterine wall to fasten IUD/IUS in uterus cavity. Fixer consists of knot, made on one end of thread. Miniature metal tube, preferably from stainless steel, is put on thread and fixed immediately under or above fixing knot to provide ultrasonic and/or X-ray visibility of fixer.
EFFECT: invention provides possibility for doctor to control correct position of fixer.
17 cl, 9 dwg
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