Mechanical analysis of the weakness of cone – coupling used in modular assembled hip-prosthesis

Kodvanj, Janoš and Beer, Rudolf and Huber, Wolfgang (2013) Mechanical analysis of the weakness of cone – coupling used in modular assembled hip-prosthesis. = Mechanical analysis of the weakness of cone – coupling used in modular assembled hip-prosthesis. In: 30th Danubia-Adria Symposium on Advances in Experimental Mechanics, 25.–28. 09. 2013., Primošten, Hrvatska.

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Official URL: http://bib.irb.hr/prikazi-rad?&rad=664927

Abstract

Cone-tapers are used in designing modular composed hip-prosthesis. This method offers the surgeons multiple advantages. One of the benefits is given by the fact of allowing a better reconstruction of the individual joint geometry of the patient. Another great advantage is given if it becomes necessary to change parts of the implant. However it may happen that the lifetime of a modular assembled prosthesis is sometimes strongly reduced by pure mechanical failure, for instance by loosening of the contact between the male and female partner of the cone-tapers ; crevice and fretting corrosion can be observed on the original contact surfaces of the partner. The question is, what is the reason for it, what happened first even in cases of an ideal correspondence of the partners from the geometrical point of view and without failure during mounting.

Item Type: Conference or Workshop Item (Poster)
Keywords (Croatian): modular hip-prosthesis, cone coupling, failure, contact, plastic deformation
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 200 Department of Engineering Mechanics > 220 Chair of Experimental Mechanics
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 22 Apr 2016 10:37
Last Modified: 22 Nov 2016 14:14
URI: http://repozitorij.fsb.hr/id/eprint/5742

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