Severe wear from Retrieved Alumina-on-Alumina Coupled Implant: A Case Report-Reference-Cited by-同舟云学术

Severe wear from Retrieved Alumina-on-Alumina Coupled Implant: A Case Report

Published:2001-09 Issue:9 Volume:24 Page:655-662
ISSN:0391-3988
Container-title:The International Journal of Artificial Organs
language:en
Short-container-title:Int J Artif Organs

Author:

Affatato S.¹,Sudanese A.²,Brizio L.³,Squarzoni S.⁴,Toni A.¹²

Affiliation:

1. Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, Bologna - Italy

2. I° Divisione di Ortopedia e Traumatologia, Istituti Ortopedici Rizzoli, Bologna - Italy

3. Divisione di Ortopedia, Policlinico S. Orsola-Malpighi, Bologna - Italy

4. Istituto di Citomorfologia N.P., C.N.R. c/o Rizzoli, Bologna - Italy

Abstract

This study details the in vivo wear behavior of an alumina acetabular cup and a femoral head on a retrieved non-cemented hip prosthesis. A commercial alumina ceramic-on-ceramic prosthesis was retrieved from a patient previously treated for bilateral hip arthrosis in “coxa profunda”. Massive wear was found on the retrieved alumina ceramic head and acetabular cup. The total measured penetration depth was 1.9 mm while the total calculated weight loss for the acetabular cup was 6.06 g. The study underlines the head-cup instability caused by cup loosening as major cause of severe ceramic wear.

Publisher

SAGE Publications

Subject

Biomedical Engineering,Biomaterials,General Medicine,Medicine (miscellaneous),Bioengineering

Link

http://journals.sagepub.com/doi/pdf/10.1177/039139880102400901

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