Abstract
The purpose of this technical note is to present a novel technique to remove a well-fixed uncemented cementless System expansion acetabular cup; the technique is on the basis of its 6 flaps design. The use of metal cutting high-speed burr allows to dismantle the cup, piece by piece, by cutting each of the flaps from the dome portion of the implant, this facilitates the extraction of each piece from the bone bed while preserving host bone. Because the bone bed of the acetabulum is carefully prepared a new uncemented hemispherical cup may be implanted after removal of the cementless System expansion cup.
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