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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_11 | Pages 253 - 253
1 Jul 2014
Melli V Rondelli G Sandrini E Altomare L Bolelli G Bonferroni B Lusvarghi L Chiesa R De Nardo L
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Summary

Metal Injection Molding could provide cost saving of about 20–50% for implantable medical device manufacturing and hence healthcare public spending. Corrosion behaviour and biocompatibility of the new manufactured alloy were studied and showed similar behaviour compared to the traditional one.

Introduction

The growing trend for total joint arthroplasties could raise healthcare costs in the near future. Metal Injection Molding (MIM) is a near net shape manufacturing technology and allows the production of finite prosthesis components saving the machining step, and so resources, up to 20–50%. In order to apply such process to the production of actual devices, the bulk material have to show biocompatibility and corrosion behaviour similar to the traditional one. (ASTM F2083, ISO 21536) The aim of this work was to compare cast and forged CoCrMo alloy with the MIM one from the electrochemical point of view and cytocompatibility.