Expandable socket

Details Expandable socket Expandable socket

2005-05-24

2005-05-24

Prebilic, Paul B. (Department: 3738)

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

Implantable prosthesis

Bone

C623S022320, C623S022380, C623S022230

Reexamination Certificate

active

06896703

ABSTRACT:
The invention relates to an expandable socket (1) for a hip joint endoprosthesis able to be cementlessly anchored in place which is at least approximately hemispherical and which is provided with a plurality of slots (3) extending in a meridional direction, thus forming intervening tongues (4), on which are formed projections (5) that form a plurality of rows (6; 6a, 6b) extending from an equator (2) of the expandable socket (1). The projections (5) are arranged on the tongues (4) in such a manner that a row (6a) of projections (5) arranged in the center of the tongue (4) extends on a meridian (14) of the hemispherical socket (1) while at least one adjoining row (6b) of projections (5) extends in a line that extends at all points in parallel to the meridian (14) of the row (6a) of projections (5) arranged in the center and not through a pole (10) of the hemispherical expandable socket (1).

REFERENCES:
patent: 3840904 (1974-10-01), Tronzo
patent: 4834759 (1989-05-01), Spotorno et al.
patent: 5108448 (1992-04-01), Gautier
patent: 0169978 (1986-02-01), None
patent: 0456580 (1991-11-01), None
patent: 2628314 (1989-09-01), None

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