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Arch Orthop Trauma Surg. 2011 Jul;131(7):1003-6. doi: 10.1007/s00402-010-1229-6. Epub 2011 Jan 9.

The use of modular femoral head trials to centre the Explant blade facilitates retrieval of well-fixed acetabular components with minimal bone loss.

Author information

1
Department of Orthopaedics, Southern General Hospital, 1345 Govan Road, Glasgow G51 4TF, UK. aapreiss@doctors.org.uk

Abstract

BACKGROUND:

The Zimmer-Explant system has made removal of a well-fixed monobloc acetabular component less challenging, but depends on the presence of an intact liner for instrument centralization. We report the outcome of 15 hips with well-fixed, cementless resurfacing sockets, which were removed using a modification of the existing method. We conclude that the existing Explant system combined with modular trial heads allows safe removal of monobloc shells with minimal bone loss.

METHODS:

Fifteen patients who underwent removal of a well-fixed, acetabular resurfacing component at the time of revision arthroplasty were identified from the unit's prospective arthroplasty database from 2005.

RESULT:

The final reamer used during reconstruction was only 1 or 2 mm larger than the outer diameter of the revised cup.

PMID:
21221612
DOI:
10.1007/s00402-010-1229-6
[Indexed for MEDLINE]

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