Metal release and corrosion effects of modular neck total hip arthroplasty

Modular neck implants are an attractive treatment tool in total hip replacement. Concerns remain about the mechanical stability and metal ion release caused by the modular connection. Five different implant designs were investigated in an experimental set-up. In vivo conditions were simulated and th...

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Veröffentlicht in:International orthopaedics 2009-12, Vol.33 (6), p.1531-1536
Hauptverfasser: Kretzer, J. Philippe, Jakubowitz, Eike, Krachler, Michael, Thomsen, Marc, Heisel, Christian
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container_end_page 1536
container_issue 6
container_start_page 1531
container_title International orthopaedics
container_volume 33
creator Kretzer, J. Philippe
Jakubowitz, Eike
Krachler, Michael
Thomsen, Marc
Heisel, Christian
description Modular neck implants are an attractive treatment tool in total hip replacement. Concerns remain about the mechanical stability and metal ion release caused by the modular connection. Five different implant designs were investigated in an experimental set-up. In vivo conditions were simulated and the long-term titanium release was measured. Finally, the modular connections were inspected for corrosion processes and signs of fretting. No mechanical failure or excessive corrosion could be identified for the implants tested. The titanium releases measured were extremely low compared to in vivo and in vitro studies and were not in a critical range.
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source MEDLINE; SpringerNature Journals; EZB-FREE-00999 freely available EZB journals; PubMed Central
subjects Animals
Arthroplasty, Replacement, Hip - instrumentation
Biocompatible Materials
Biomechanical Phenomena
Cattle
Hip Prosthesis
Humans
Materials Testing - methods
Medicine
Medicine & Public Health
Models, Biological
Original Paper
Orthopedics
Prosthesis Design
Time Factors
Titanium - adverse effects
Titanium - blood
title Metal release and corrosion effects of modular neck total hip arthroplasty
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