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Manufacturing methods for machining micro pits of hip implant for metal-on-metal lubrication

Hashim, N. L. S. and Yahya, Azli and Abdul Kadir, Mohammed Rafiq and Samion, Syahrullail and Mahmud, N. (2012) Manufacturing methods for machining micro pits of hip implant for metal-on-metal lubrication. In: 2012 International Conference on Biomedical Engineering, ICoBE 2012. IEEE, New York, USA, pp. 55-59. ISBN 978-145771989-9

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Official URL: http://dx.doi.org/10.1109/ICoBE.2012.6178954

Abstract

Hip implant is an orthopedic procedure which the hip joint is replaced by prosthetic or artificial implant in order to replace arthritic or dysfunctional joint surface. The process is also known as hip arthroplasty. However, the metal-on-metal hips articulation suffers from friction due to the moving metal surface thus, shortening the surviving of the joint. A micro pits formation is therefore used for lubrication purpose, which eventually prolong the lifespan of the hips. This paper will focus on the methods for machining the micro pits in terms of work piece placement, coordination and orientation related to the electrode of electrical discharge machining system for lubrication purpose. A new structure of work piece positioning system would be designed accordingly in order to optimize the machining performance and improve lubrication activities in the hip implant device.

Item Type:Book Section
Additional Information:Indexed by Scopus
Uncontrolled Keywords:electrical discharge machining, hip implant, lubrication, micro pits
Subjects:R Medicine > R Medicine (General)
Divisions:Biosciences and Medical Engineering
ID Code:35712
Deposited By: Fazli Masari
Deposited On:29 Oct 2013 09:12
Last Modified:02 Feb 2017 13:31

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