Extraction device

Details Extraction device Extraction device

1997-10-10

1999-08-17

Willse, David H.

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

Implantable prosthesis

Bone

606 99, 623 23, A61F 234

Patent

active

059387017

ABSTRACT:
An extraction device (10,110) for removing a socket bearing insert (12) from an acetabular cup (14) in an acetabular prosthesis in which an extracting member (30, 130) is adapted for attachment to a groove (20) in the insert (12). The extraction device (10, 110) includes a support in the form of a sleeve (38, 138) which bears against the rim of the acetabular cup (14). The extraction device (10, 110) has means for providing an axial force exclusively between the extracting member (30, 130) and the support such that no force is transmitted to a bone to which the acetabular cup (14) is attached.

REFERENCES:
patent: 4993410 (1991-02-01), Kimsey
patent: 5098437 (1992-03-01), Kashuba
patent: 5112338 (1992-05-01), Anspach, III
patent: 5116339 (1992-05-01), Glock
patent: 5156606 (1992-10-01), Chin

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