| 摘要 |
A plug for insertion into a bone canal is disclosed. The plug comprises an elongate central body of substantially constant cross section carrying at least four radially extending flanges of substantially equal shape and size. The flanges form solid, disk-like structures, free of cuts and are axially spaced along the central axis of the body, such that they extend in substantially parallel planes. The plug is made of a copolymer of a polyalkylene glycol terephthalate and an aromatic polyester.
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