Device

Yusei Ring

Developer

Onagi Ikemi

Item ID #

TCC-D1-I-008

Device

Yusei Ring

Device Type

Closed Loop

Classification

intrauterine

Composition

Polyethylene; Nylon

Developer

Onagi Ikemi, Tokyo, Japan

Manufacturer and Distributor

Yuseiring-sogokenkyu-sho, Tokyo, Japan; Wako Keoki Co., Tokyo, Japan

Size

22mm (H) x 24mm (W)

Description

Polyethylene ring with tightly coiled polyethylene spring around the outer ring. Central disc with an upper crossbar and two s-curved lower spokes. No cervical threads.

Preview

image preview

Creation Date

1960

Rights

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.

Keywords

Intrauterine Contraception; Intrauterine Devices; Japanese IUDs; Yusei

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Image Location

 
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