US 2025/0143886 A1 · Cemented Sheath For Joint Implant

Abstract

A prosthetic implant assembly including a modified liner configured for fixation to an acetabular shell. The modified liner having a sheath and a liner. The liner is configured to be inserted into and affixed to the sheath. The sheath having an annular rim, a plurality of longitudinal ribs extending from the annular rim, and a cross-rib spaced apart from the annular rim and intersecting the plurality of longitudinal ribs. Each longitudinal rib of the plurality of longitudinal ribs is curved such that the plurality of longitudinal ribs collectively define a partially spherical surface. Additionally, the annular rim, the plurality of longitudinal ribs, and the cross-rib define a plurality of openings between the annular rim and the cross rib.

Claims20

Dependent claims

A prosthetic implant assembly, comprising:

a modified liner configured for use in a hip joint, the modified liner comprising:
a sheath having an annular rim, a plurality of longitudinal ribs extending from the annular rim, and a first cross-rib spaced apart from the annular rim and intersecting the plurality of longitudinal ribs, the first cross-rib defining a closed loop,
wherein each longitudinal rib of the plurality of longitudinal ribs is curved such that the plurality of longitudinal ribs collectively define a partially spherical surface, and
wherein the annular rim, the plurality of longitudinal ribs and the first cross-rib define a plurality of openings between the annular rim and the first cross rib;
and
a liner configured to be received in the sheath.

3 more elements

Dependencies are inferred from the claim text.

Cemented Sheath For Joint Implant

Life of this patent

Cemented Sheath For Joint Implant

Life of this patent

Abstract

Claims20