Metal on polyethylene
Contact mechanics of modular metal-on-polyethylene total hip replacement under adverse edge loading conditions
... modular metal-on-polyethylene (MoP) total hip replacement ...the polyethylene liner and the maximum contact pressure on both the articulating surface and backside surface of the ...
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A comparative study on medium-term results of cementless acetabular components with metal-on-metal and metal-on-polyethylene articulations
... of metal-on- metal on traditional metal-on-polyethylene ...the metal-on-polyethylene cups was longer than the metal-on- metal components, our results did not ...
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Influence of hip joint simulator design and mechanics on the wear and creep of metal-on-polyethylene bearings
... of metal-on-polyethylene components under the same standard gait ...of polyethylene, and therefore direct comparisons of absolute wear rates between different hip joint simulators should be ...
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Blood metal ions after hybrid metal-on-polyethylene Exeter−Trident total hip replacement
... Background Metal-on-metal total hip replacements (THRs) with large femoral heads have been associated with elevated levels of cobalt (Co) and chromium (Cr), which have been attributed to high levels of wear ...
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Review Article Compare the revision rate of metal-on-metal and metal-on-polyethylene for total hip replacement: a meta-analysis
... We conducted a meta-analysis of all English articles identified from Pubmed (by the end of March 23, 2016), Web of Science (by the end of March 23, 2016), Embase (by the end of March 23, 2016). The following key words in ...
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A retrospective comparative study of mortality and causes of death among patients with metal on metal and metal on polyethylene total hip prostheses in primary osteoarthritis after a long term follow up
... from metal-on-polyethylene (MP) prostheses ...the metal is stored in the liver as organometallic complexes or in nanoparticulate form so small that it is beyond the resolution of electron microscopic ...
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The contact mechanics and occurrence of edge loading in modular metal-on-polyethylene total hip replacement during daily activities
... The present study demonstrated that for normal walking, ascending and 321 descending stairs activities, the cup inclination angles had a leading effect on the contact 322 pressures at th[r] ...
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Inflammatory pseudotumor around metal on polyethylene total hip arthroplasty in patients with ankylosing spondylitis: description of two cases and review of literature
... The role of inflammatory cells in inflammasome path- way has been deeply investigated by Caicedo et al. who opened a new sight into the pathway of debris-induced inflammation [34]. They have tested effects of Co2 + , Cr3 ...
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Comparison of ceramic-on-ceramic to metal-on-polyethylene bearing surfaces in total hip arthroplasty: a meta-analysis of randomized controlled trials
... is polyethylene wear ...cross-linked polyethylene (HXLPE) significantly reduces wear in comparison to conventional ultra-high molecular weight polyethylene (UHMWPE), the polyethylene wear and ...
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Recent updates for biomaterials used in total hip arthroplasty
... particulate polyethylene debris generated by conventional metal on polyethylene bearing surfaces leading to osteolysis and aseptic loosening of the ...
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The Effect Of Cyclic Olefin Copolymer Loading On Linear Low Density Polyethylene Blends: Characterization By Fourier-Transform Infrared Spectroscopy And X-Ray Diffraction
... Commercial grades of linear low-density polyethylene (LLDPE), F19010 (density = 0.918 g/cc, MFI: 190°C and 2.16 kg = 0.90 g/10 min), was used by Reliance Industries limited, and Cyclic olefin copolymer (COC), ...
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About the Natural Oscillations Viscoelastic Toroidal Shell with the Flowing Fluid
... of polyethylene pipelines with a much smaller modulus of elasticity than in steel pipes made it possible to reveal a significant dependence of the values of the vibration frequencies on the flow velocity of the ...
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Synthesis and characterization of novel biodegradable aliphatic copolyesters poly(ethylene sebacate co propylene succinate) and poly(ethylene sebacate co propylene adipate)
... In recent years, biodegradable polymers have attracted considerable attention as green materials and biomaterials in pharmaceutical, medical and biomedical engineering applications including drug delivery systems, ...
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Aromatic fuel oils produced from the pyrolysis-catalysis of polyethylene plastic with metal-impregnated zeolite catalysts
... transition metal (gallium) into zeolites favours dehydrogenation activity and increases selectivity of aromatic hydrocarbons in the processing of ...investigated metal impregnated catalysts on different ...
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Polyethylene recycling: waste policy scenario analysis for the EU-27
... The estimate the emissions and energy impacts related to PE waste management the coefficients provided by WRATE, the UK Environmental Agency’s life cycle tool, have been used. The database contains information on a wide ...
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Pyrolysis of Waste Plastics Using Catalysts: Activated Carbon, MCM-41 and HZSM-5 - Volume 8 Number 1 (Feb. 2017) - IJCEA
... using metal containing catalyst and high temperature, while olefin rich fraction and other chemicals are the main products using catalyst with high Si/Al ...
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Heavy Metal Retention on Agricultural Soil
... heavy metal cannot be degraded chemically and it tends to accumulate and remain in the soil or water that can cause significant effect on ...Heavy metal in water may cause on the disturbance of aquatic life ...
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... Use of laxatives, change in diet, and consumption of more liquids are some of the non-intrusive approaches to treat constipation in children [4]. However, these approaches do not ensure successful treatment. Moreover, ...
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Thermal, Mechanical and Rheological Properties of Low Density/Linear Low Density Polyethylene Blend for Packing Application
... sity polyethylene (LDPE) and linear low density polyethylene ...density polyethylene in the blend displays better properties for packaging ...
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Modelling of the adsorption of chlorinated phenols on polyethylene and polyethylene terephthalate microplastic
... low-density polyethylene standard sub- stance (PE; Thermo Fisher Scientific) and polyethylene terephthalate standard substance (PET; manufactured by ...
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