Explant System (Zimmer Orthopaedics, Warsaw, IN) used to remove well-fixed, acetabular, cementless components. (From Mitchell PA, Masri BA, Garbuz DS, et al: Removal of well-fixed, cementless, acetabular components in revision hip arthroplasty, J Bone Joint Surg 85B:949, 2003. Copyright British Editorial Society of Bone and Joint Surgery.) SEE TECHNIQUE 3.22.