| 摘要 |
<p>Prosthesis cupula comprising a metal supporting cupula (6), a plastic friction cupula (20) of which the outer shape matches the inner shape of the supporting cupula. The prosthesis cupula is characterized in that the supporting cupula (6) is provided at its centre with an opening (14); in that the outer shape of the friction cupula (20) comprises respectively a first cylindrical portion (22) connected to a truncated portion (23) which is itself connected to a planar portion (25) presenting at its centre a central cylindrical pin (24), and in that the inner face (21) of the friction cupula (6) is hemispherical.</p> |
