Item ID #
Closed Loop; Plastic & metal
Onagi Ikemi, Tokyo, Japan
Manufacturer and Distributor
Yuseiring-sogokenkyu-sho, Tokyo, Japan; Wako Keoki Co., Tokyo, Japan
22mm (H) x 28mm (W)
Variation of the Yusei Ring with the upper crossbar and two inner spokes are formed as one unit, polyethylene encasing a metal wire. The lower arc does not contain the metal wire. The polyethylene coil is attached in two pieces to the lower arc. No cervical threads.
Physical rights to the device and the photograph of such are retained by Loma Linda University. Copyrights and patent rights are observed in accordance with U. S. copyright and patent laws.
Intrauterine Contraception; Intrauterine Devices; Japanese IUDs; Yusei