title: Custom-made molds that prevent cement extrusion through bone defects.
abstract: The success of a hip arthroplasty using a cemented femoral component relies in part on the quality of the cement technique, and is enhanced by obtaining a uniform, well-pressurized cement mantle around the prosthesis. For that reason, cortical bone defects in the femur pose technical difficulties for the surgeon planning a cemented femoral component. In this article, a new technique is presented that is used to prevent cement extrusion through defects in the femoral cortex when pressurizing the cement mantle around the prosthesis. Custom-molded polymethylmethacrylate (bone cement) plugs may be fashioned during operation to fill temporarily defects of almost any size.
authors.affiliation: Division of Orthopaedic Surgery, University of North Carolina, Chapel Hill 27599-7055, USA.
authors.forename: R R
authors.initials: RR
authors.lastname: Slater
authors.forename: J
authors.initials: J
authors.lastname: Morrison
authors.forename: S S
authors.initials: SS
authors.lastname: Kelley
mesh_terms: D001843:Bone Cements; D016025:Bone Transplantation; D005269:Femur; D006622:Hip Prosthesis / Q000379:methods*; D006801:Humans; D008768:Methylmethacrylates / Q000627:therapeutic use*; D019736:Prostheses and Implants; D013997:Time Factors
chemical_list: D001843:Bone Cements; D008768:Methylmethacrylates