Failure Analysis of some Retrieved Orthopedic Implants Based on Materials Characterization

Author:

Bane Marin1,Miculescu Florin2,Blajan Ana Iulia2,Dinu Mihaela2,Antoniac Iulian2

Affiliation:

1. University Politehnica Bucharest

2. University Politehnica of Bucharest

Abstract

The aim of this paper is to determine causes of failure of orthopedic implants like intramedullary nail based on explants analysis and materials characterization. The clinical performance, corrosion characteristics and metallurgical properties of some retrieved titanium femoral nails have been examined. The macroscopic and the microscopic investigation of explants help us to describe the breaking mechanism and to identify the potential causes that led to implant failure.

Publisher

Trans Tech Publications, Ltd.

Subject

Condensed Matter Physics,General Materials Science,Atomic and Molecular Physics, and Optics

Reference4 articles.

1. Blaimont R., Contribution to the study of human femur biomechanics, Acta Orthop. Belg., 1968, 34, 5.

2. Pawels F., Biomechanics of the locomotory system, Springer Verlag, Berlin, (1979).

3. Antoniac V, Negrusoiu M, Laptoiu D, Miculescu M, Biomaterials Researches To Improve The Biofunctionality Of An Mixed Fixing System For Long Bone Fractures, Transactions of the 7th World Biomaterials Congress, Sydney; Australia, (2004).

4. H. Amel-Farzad et al. Engineering Failure Analysis 14 (2007) 1205–1217J.

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