| 摘要 |
A mechanical penile prosthesis which comprises an elongated, tubular, prestretched, elastic outer sheath (1) having a distal tip (2), a proximal t ip (3) and an intermediate portion defining a hollow tubular chamber having positioned therein a central core anchored at each of its ends to a tip, and an articulated member positioned about the flexible core, which articulated member comprises a plurality of alternating rings (7) and discs (8), each of the rings being defined by a toroid having a curved surface, a substantially circular cross section and an outer circumference, each of the discs being defined by a toroid having a flattened upper surface (9) and a flattened low er surface, each surface having a peripheral portion which has a tapered or convex profile (10) which contacts the curved surface of the adjacent rings.
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