Surface modifications of nitinol

Waseem Haider, N. Munroe, V. Tek, C. Pulletikurthi, P. K.S. Gill, S. Pandya

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations

Abstract

Nitinol (an acronym for the Nickel-Titanium Naval Ordnance Laboratory) has been extensively explored as an implant material for the medical industry. The potential problem with Nitinol implant devices is the release of Ni in the human body, which has stimulated a great deal of research on surface modifications and the application of coatings. This paper presents a comprehensive review of various treatments to modify the surface of Nitinol in an effort to inhibit Ni release and to render improved biocompatibility. We discuss the important in-service properties of Nitinol, such as biocompatibility, corrosion resistance, stability, uniformity, and the nature of passivating oxides produced by passivation, electropolishing, magnetoelectropolishing, ion beam implantation, sterilization, and artificial coatings.

Original languageEnglish
Pages (from-to)113-122
Number of pages10
JournalJournal of Long-Term Effects of Medical Implants
Volume19
Issue number2
DOIs
StatePublished - 2009

Keywords

  • Biocompatibility
  • Corrosion
  • Implant materials
  • Nitinol
  • Surface modifications

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