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US 9,713,531 B2Granted
Deflection resistant acetabular cup
AssigneeDePuy Synthes Products, Inc.
InventorsJustin D. Grostefon, David M. Casey
Life of this patent
Estimating the term…
Abstract
An acetabular shell for use in hip arthroplasty. The shell includes a first wall having an outer surface, an inner surface, and a rim. The shell further includes a second wall extending from the outer surface of the first wall. The second wall has an outer surface, an inner surface, and a rim. The rim of the second wall is spaced outwardly from the rim of the first wall.
Claims9
A method of manufacturing an acetabular shell comprising:
- manufacture a first wall of the acetabular shell, the first wall having an outer surface, an inner surface, and a rim, wherein the rim of the first wall extends continuously around an entire circumference of the outer and inner surfaces;
- manufacture a flexible second wall of the acetabular shell, the second wall having an outer surface, an inner surface, and a rim;
- cutting longitudinal recesses into the flexible second wall creating flanges, wherein the flanges of the flexible second wall are spaced around the circumference, wherein the longitudinal recesses extend to the rim of the second wall of the outer and inner surfaces of the second wall;
- slide the second wall of the acetabular shell over the first wall;
- and
- affix the second wall to the first wall such that the rim of the first wall is spaced apart from the rim of the flexible second wall.
3 more elements
Dependencies are inferred from the claim text.