Acetabular socket for an artificial hip joint

Details Acetabular socket for an artificial hip joint Acetabular socket for an artificial hip joint

1992-09-01

1994-05-24

Green, Randall L.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

A61F 234

Patent

active

053144880

ABSTRACT:
An acetabular socket of an artificial hip joint including an acetabular socket, a stem and a stem head, wherein the acetabular socket takes a form of a virtually inverted bowl-shaped shell or a hemispherical shell as a whole, the opening edge of the socket has outer flanges at regular intervals along the circumference thereof, and the outer flange has vertical and horizontal concave grooves on the surface thereof.
With this acetabular socket, the outer flanges provided along the opening edge and the vertical and horizontal concave grooves provided on the outer flanges increase the contact area between the socket and the cortex bone, thereby raising the strength for supporting the acetabular socket.
This disclosure also includes an acetabular socket, wherein a coating layer comprised of living body activation material, such as apatite, is coated on the outer flanges and the shell of the acetabular socket.

REFERENCES:
patent: 4101985 (1978-07-01), Baumann et azl.
patent: 4662891 (1987-05-01), Noiles
patent: 4801300 (1989-01-01), Kurze et al.
patent: 4883491 (1989-11-01), Mallory et al.

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