| 摘要 |
The instrument consists of an outer ring (1) equipped with a series of inward-facing flexible petal-shaped elements (2), each having a holder (10) on its tip to receive the rolled-up edge (4) of a condom and an aperture which allows it to unroll. The instrument is made in one piece from moulded plastic; it can have a radial bar (8) to press against the tip of the condom to prevent it from trapping air, and the outer ring has a zone of reduced strength to allow it to be broken for removal after the condom has been fitted.
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