Assembly comprising a joint endoprosthesis

Details Assembly comprising a joint endoprosthesis Assembly comprising a joint endoprosthesis

1998-03-24

1999-11-02

Willse, David H.

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

Implantable prosthesis

Bone

A61F 230

Patent

active

059761890

ABSTRACT:
Joint endoprosthesis with an attachment part which can be attached and removed along a guide provided on the endoprosthesis, and with a screw (5) for locking the attachment part. This screw is arranged in the area of overlapping surface portions (7, 8) of the prosthesis and of the attachment part. A first surface portion (7) includes a threaded bore (13) receiving the screw (5). The screw shank has, adjacent to the screw head (10), a threaded section (12), adjacent to this a section (14) of reduced thickness, and adjacent to this a thickened end (15). The section (14) of reduced thickness lies in the area of the second surface portion (8), and namely in a slit (6) which extends in the direction of the guide and whose width is smaller than the thickness of the thickened end (15).

REFERENCES:
patent: 3806957 (1974-04-01), Shersher
Link.RTM. Ribbed System, Cementless Total Hip Joint Prostheses, Modular System, Rippensystem `Rib System`, Waldemar Link (GmbH & Co.), pages: cover, information page, 1-11, and 22-25.

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