| 摘要 |
An artificial hip joint where the metal shell is hemispherical or ellipsoidal, with a flattened dome (17) (polar compartment). The metal shell is hemispherical or ellipsoidal, with a flattened dome (17) (polar compartment). It blends into a band-like equatorial ball segment having recesses in its wall, which separate a rigid internal ring damping against a rigid outer ring (12). The wall of the polar compartment has recesses (13) and/or it is thinned.
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