Corrosion at the interface

Yerby, Scott A.; Taylor, Jeffery K.; Park, Jun; Shackelford, James F.

doi:10.1016/s0883-5403(05)80010-5

Cited by 14 publications

(1 citation statement)

References 9 publications

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“…The search strategy is listed in Figure 1. The initial search yielded 1,224 unique articles. Ultimately, 91 articles remained for analysis (1-2-3, 8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26-27-28-29-30-31-32-33-34-35-36-37-38-39-40-41-42-43-44-45-46-47-48-49-50-51-52-53-54-55-56-57-58-59-60-61-62-63-64-65-66-67-68-69-70-71-…”

Section: Resultsmentioning

confidence: 99%

Evidence Based Recommendations for Reducing Head-Neck Taper Connection Fretting Corrosion in Hip Replacement Prostheses

2017

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There is fair evidence to recommend against the use of high offset femoral heads, larger diameter femoral heads, and to pay particular consideration to fretting corrosion's progression with time and risk with heavier or more active patients. Particular to metal-on-metal hip prostheses, there is fair evidence to recommend positioning the acetabular component to minimise edge loading. Particular to metal-on-polyethylene hip prostheses, there is fair evidence to recommend the use of ceramic femoral heads, against use of cast cobalt alloy femoral heads, and against use of low flexural rigidity femoral stems. Evidence related to taper connection design is largely conflicting or inconclusive. Head-neck taper connection fretting corrosion is a multifactorial problem. Strict adherence to the guidelines presented herein does not eliminate the risk. Prosthesis selection is critical, and well-controlled studies to identify each design parameter's relative contribution to head-neck taper connection fretting corrosion are required.

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Section: Resultsmentioning

confidence: 99%

Evidence Based Recommendations for Reducing Head-Neck Taper Connection Fretting Corrosion in Hip Replacement Prostheses

2017

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Effect of impact assembly on the interface deformation and fretting corrosion of modular hip tapers: An in vitro study

Panagiotidou

Cobb

Meswania

et al. 2017

Journal Orthopaedic Research

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Wear and corrosion at the modular head-neck junction has been recognised to be a potential clinical concern, with multiple reports on adverse local tissue reactions and subsequent early failure of metal-on-metal hip replacements. Furthermore, reports on head-neck taper corrosion are also being described with conventional metal-on-polyethylene bearings. Manufacturing tolerances, surgical technique, non-axial alignment, material combination, high frictional torque and high bending moment have all been implicated in the failure process. There is limited guidance on the force of impaction with which surgeons should assemble modular hip prostheses. This study aims to investigate the effect of impaction force on the deformation and corrosion of modular tapers. Short neck tapers with high surface roughness (average R = 16.58 μm, R = 4.14μm) and long neck tapers with low surface roughness (average R = 3.82 μm, R = 0.81μm), were assembled with CoCrMo alloy heads (smooth finish) under controlled conditions with 2, 4 or 8 kN of impaction force. Material combinations tested included CoCrMo-head/CoCrMo-neck and CoCrMo-head/Ti-6Al-4V-neck. Assessment of surface deformation before and after impaction was made using surface profilometry. Measurement of fretting current during sinusoidal cyclic loading evaluated mechanically assisted corrosion for each assembly load during short-term cyclic loading (1000-cycles) and long-term cyclic loading (5 million-cycles). Deformation on head and neck tapers increased with assembly load. Fretting currents during short term simulation testing showed significantly lower currents (p < 0.05), in 8 kN assemblies when compared to 2 and 4 kN, especially for the short-rough tapers. Long-term simulator testing demonstrated a progressive reduction in fretting corrosion for samples impacted with 4 and 8 kN; however, this reduction was greater for samples impacted at 8 kN even at the start of testing. Based on our results, surgeons could minimise mechanically assisted crevice corrosion by using higher impact loads when assembling the head to the stem in total hip arthroplasty. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:405-416, 2018.

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CoCrMo Alloy for Biomedical Applications

Milošev

2012

Modern Aspects of Electrochemistry

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Corrosion at the interface

Cited by 14 publications

References 9 publications

Evidence Based Recommendations for Reducing Head-Neck Taper Connection Fretting Corrosion in Hip Replacement Prostheses

Evidence Based Recommendations for Reducing Head-Neck Taper Connection Fretting Corrosion in Hip Replacement Prostheses

Effect of impact assembly on the interface deformation and fretting corrosion of modular hip tapers: An in vitro study

CoCrMo Alloy for Biomedical Applications

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