Alessandro Ruggiero
ABSTRACT
The hip is the second largest articulation of the human body, with its primary role in locomotion. It is exposed to a high number of risks first of all the wear which causes its correct functioning. In some cases, the damages suffered by this articulation can be such as to require its total replacement (Total Hip Replacement -THR-). In recent years with the growing of ceramics materials both for femoral head and for acetabular cup (hard on hard bearings), it has been observed a dynamical phenomenon known as squeaking which should cause a premature failure of the implant. Aim of this paper is to present a Finite Element Model in order to investigate the influence of main prostheses geometrical parameters on its first ten modes of vibration. The obtained results are a good agreement with the available literature data showing a general decreasing of the first six natural frequencies with the increasing of the implants.
- Affatato, Saverio, et al. "Does metal transfer differ on retrieved Biolox® Delta composites femoral heads? Surface investigation on three Biolox® generations from a biotribological point of view." Composites Part B: Engineering 113 (2017): 164--173.Google Scholar
Cross Ref
- Merola, M., Ruggiero, A., De Mattia, J. S., & Affatato, S. (2016). On the tribological behavior of retrieved hip femoral heads affected by metallic debris. A comparative investigation by stylus and optical profilometer for a new roughness measurement protocol. Measurement, 90, 365--371.Google Scholar
- Affatato, Saverio, Alessandro Ruggiero, and Massimiliano Merola. "Advanced biomaterials in hip joint arthroplasty. A review on polymer and ceramics composites as alternative bearings." Composites Part B: Engineering 83 (2015): 276--283.Google ScholarCross Ref
- Ruggiero, A., Merola, M., & Affatato, S. (2018). Finite element simulations of hard-on-soft hip joint prosthesis accounting for dynamic loads calculated from a musculoskeletal model during walking. Materials, 11(4), 574.Google ScholarCross Ref
- Swanson, Todd V., et al. "Influence of prosthetic design on squeaking after ceramic-on-ceramic total hip arthroplasty." The Journal of arthroplasty 25.6 (2010): 36--42.Google ScholarCross Ref
- Askari, Ehsan, et al. "A review of squeaking in ceramic total hip prostheses." Tribology International 93 (2016): 239--256.Google ScholarCross Ref
- Ruggiero, Alessandro, Emilio Gómez, and Massimiliano Merola. "Experimental comparison on tribological pairs UHMWPE/TIAL6V4 alloy, UHMWPE/AISI316L austenitic stainless and UHMWPE/AL2O3 ceramic, under dry and lubricated conditions." Tribology International 96 (2016): 349--360.Google ScholarCross Ref
- Ruggiero, Alessandro, Roberto D'Amato, and Emilio Gómez. "Experimental analysis of tribological behavior of UHMWPE against AISI420C and against TiAl6V4 alloy under dry and lubricated conditions." Tribology International 92 (2015): 154--161.Google ScholarCross Ref
- Fan, N., G. X. Chen, and L. M. Qian. "Analysis of squeaking on ceramic hip endoprosthesis using the complex eigenvalue method." Wear 271.9--10 (2011): 2305--2312.Google Scholar
- Affatato, Saverio, Massimiliano Merola, and Alessandro Ruggiero. "Development of a Novel in Silico Model to Investigate the Influence of Radial Clearance on the Acetabular Cup Contact Pressure in Hip Implants." Materials 11.8 (2018): 1282.Google ScholarCross Ref
Index Terms
- A Finite Element Model for the Analysis of Squeaking Hips
Recommendations
Influence of the fixation region of a pressfit hip endoprosthesis on the stressstrain state of the boneimplant system
Although significant progress has been made in the development of total hip replacement, behaviour of the femoral component of an endoprosthesis in relation to the type of its fixation in the bone is still not fully understood. In this paper, behaviour ...
Biomechanical analysis of all-polyethylene total knee arthroplasty on periprosthetic tibia using the finite element method
Highlights- Computational modeling demonstrates the mechanical performance of periprosthetic tibia with all-polyethylene TKA.
Abstract Background and objectiveTotal knee arthroplasty (TKA) with modern all-polyethylene tibial (APT) components has shown high long-term survival rates and comparable results to those with metal-backed tibial components. ...
Biomechanical analysis of femoral stems in hinged total knee arthroplasty in physiological and osteoporotic bone
Highlights- Longer stems guarantee better fixation compared to short ones; however, they induce higher stress-shielding effect in the distal region of the femur (greater ...
Abstract Background and ObjectiveAdequate fixation is a requisite for hinged Total Knee Arthroplasty (TKA): consequently, several stem solutions are currently available. However, there are no evidence-based biomechanical guidelines ...
Comments