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US 6,712,857 B1Granted
Acetabular component of total hip replacement assembly
AssigneeAustralian Surgical Design and Manufacture PTY, Ltd.
InventorGregory James Roger
Life of this patent
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Abstract
A device for use in surgical procedures involving arthroplasty. The device includes a socket member having a first surface and a second bone engaging surface. The first surface has a bearing surface adapted to receive a counter-component of a joint such as the head of a femur (or prosthesis thereof). The bone engaging surface includes a first, preferably frusto-conical, portion and a second portion preferably including a spherical section.
Claims15
A device for use in surgical procedures involving arthroplasty, the device comprising
- a socket member having a first surface that includes at least a bearing surface adapted to receive a counter component of a joint, and
- a bone engaging surface, the bone engaging surface having
- a first surface portion that extends away from a circumferential join with the first surface, a cross-sectional diameter of the first surface portion decreasing at a first rate as the first surface portion extends away from the circumferential join with the first surface, and
- at least a second surface portion that extends away from a the first surface portion to an extremity, a cross-sectional diameter of the second surface portion decreasing at a second rate,
- the second rate being different from the first rate,
- whereby the first surface portion and the second surface portion are arranged relative to each other such that the bone engaging surface is devoid of a step or a corner.
3 more elements
Dependencies are inferred from the claim text.