| 摘要 |
One embodiment of the present invention relates to a prosthesis, comprising an acetabular cup, wherein the cup has an open end and a closed end, wherein the open end of the cup is defined by a nm and wherein the rim has an outer facing surface, at least one cavity disposed in the rim, wherein the cavity extends from a first end of the cavity at the outer facing surface to a second end of the cavity that is towards the closed end of the cup, and wherein the cavity comprises an undercut at the second end of the cavity, a locking ring, and at least one tab extending from the locking ring, wherein the tab comprises a first leg and a second leg having a separation therebetween, wherein each leg has a first end and a second end. |
