Bearing Surfaces
Prosthetic Joint Infection Following Total Hip Arthroplasty—Effect of Choice of Bearing Surfaces and How to Investigate Further—A Review of the Literature
... Introduction: Total Hip Arthroplasty (THA) has proved to improve a patient’s quality of life. This procedure has become more refined overtime, and subse- quently there is huge variation in its execution. Prosthetic Joint ...
5
Comparison of ceramic-on-ceramic to metal-on-polyethylene bearing surfaces in total hip arthroplasty: a meta-analysis of randomized controlled trials
... COC bearing surfaces are increasingly used for ...COC bearing surfaces occurred osteolysis at 10- year follow-up ...better bearing surface is the question and option the surgeons have ...
8
The choice between hip prosthetic bearing surfaces in total hip replacement: a protocol for a systematic review and network meta-analysis
... implant bearing surfaces, size, and fixation techniques used in ...four bearing surface combinations (metal-on-polyethylene, metal-on-metal, ceramic-on-polyethylene, and ceramic-on-ceramic); two ...
8
Comparison of ceramic-on-ceramic bearing vs ceramic-on-highly cross-linked polyethylene-bearing surfaces in total hip arthroplasty for avascular necrosis of femoral head: a prospective cohort study with a mid-term follow-up
... There are many comparative studies that have exam- ined the outcome comparing CoC-bearing surface to ceramic-on-poly surfaces [11, 12, 26, 27]. Atrey et al. re- ported comparable survivorship and function ...
7
Challenges encountered in the economic evaluation of medical devices
... Cost-effectiveness of total hip replacements for women and men with hip osteoarthritis: comparison of devices with differing bearing surfaces and modes of fixation Comparative cost-effec[r] ...
62
Adverse reactions to metal debris occur with all types of hip replacement not just metal on metal hips: a retrospective observational study of 3340 revisions for adverse reactions to metal debris from the National Joint Registry for England, Wales, Northern Ireland and the Isle of Man
... high bearing wear, with evidence in MoM hips sup- porting much higher failure rates in THRs compared to hip resurfacings even with identical bearing surfaces [14, ...
12
Morphological and behavioural variation in CNS innate defence cell microglia is development and age sensitive
... (A) Microglia recovered from early embryonic developing brain show many of them retain spines bearing surfaces which radiate out of the cell body ; (B) a few cells remain amoeboid in sh[r] ...
10
Paper 02-2015-2
... characteristics of slider bearings with different lubricants from time to time. Surface roughness evaluation is very important for many fundamental problems such as friction, load carrying capacity, contact deformation, ...
9
Design and Manufacturing of the Nanocomposites Implants NbTi/CNTs Welted with TA6V in situ by Spark Plasma Sinter for Total Hip and Knee Arthroplasty (THA, TKA)
... and bearing surfaces and wear resistance by addicting of the CNT at the hip, the body of the prosthesis is made of TV6A welded with the ball and introduced with the femur one offering him a good tenacity, ...
5
Metal-on-metal hip arthroplasty : local tissue reactions and clinical outcome
... “low-friction bearing” concept developed by Sir John Charnley in the early sixties of the last century 2 , resulting in a “forgotten” joint for many THA-patients ...the bearing surfaces is the ...
253
Direct organocatalytic enantioselective functionalization of SiOx surfaces
... chiral surfaces prepared by click chemistry, with the same tips and surfaces used for comparison of the adhesion force ...adsorbed surfaces gave force distributions centred at ...adsorbed ...
5
The Effect of Damping and Stiffness of Bearing on the Natural Frequencies of Rotor-bearing System
... Timoshenko beam and identification procedure based on the FE model. Xiang et al. [13] studied the dynamic behavior of a gear-bearing system with time varying stiffness. They reported that when the support ...
8
Bounding surfaces in a barchan dune: annual cycles of deposition? Seasonality or erosion by superimposed bedforms?
... bounding surfaces within the dune (Figure 6). Erosional bounding surfaces are picked where they truncate underlying reflections and also where they are downlapped by overlying reflections (Figure ...
18
Effect of Surface Treatment and Crystal Orientation on Microstructural Changes in Aluminized Ni Based Single Crystal Superalloy
... The effect of pre-surface treatment and crystal orientation on microstructural changes in the aluminized 4th generation Ni-based single- crystal superalloy TMS-138 was investigated. The substrate superalloy was cut along ...
5
Anisotropic Diffusion in Toroidal geometries*
... ezier surfaces, we use B-Spline surfaces, which allows us to control the regularity between elements and when needed (if possible), a C 1 regularity can be ...
22
Height referencing biochemical cassette
... surfaces and uncoated surfaces, Whereby a hydrophobic monolayer is con?ned on the coated surfaces, said monolayer serving as a height referencing indicator; applying a coupling agent to [r] ...
6
PRINCIPLES AND GUIDELINES FOR MANAGING TOOTH WEAR: A REVIEW
... occlusal surfaces of posterior teeth, the palatal surfaces of maxillary anterior teeth, the labial surfaces of mandibular anterior teeth, and the incisal edges of anterior ...affected surfaces ...
11
Dynamics of Macro–Nano Mechanical Systems; Fixed Interfacial Multiscale Method
... free surfaces, common surfaces, and surfaces close to the interface with the macro field have been eliminated, and after presenting a practical and noteworthy procedure for the dynamics of systems in ...
20
Effects of chemically modified nanostructured PLGA on functioning of lung and breast cancer cells
... all showed significantly greater viable cell numbers compared with PLGA0, PLGA0/alginate, and PLGA0/chitosan, regard- less of surface chemistry. In this study, it was confirmed that nanotopography can have a positive ...
13
Vibration Analysis For Diagnostic Of local Faults In Rolling Element Bearing
... on bearing, their rotational frequencies, modes of failure, resonance frequencies and various vibration analysis ...for bearing fault detection and ...
24