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Article

Experimental Investigation of Material Transfer on Bearings for Total Hip Arthroplasty—A Retrieval Study on Ceramic and Metallic Femoral Heads

1
Biomechanics and Implant Technology Research Laboratory, Department of Orthopedics, Rostock University Medical Center, Doberaner Str. 142, 18057 Rostock, Germany
2
Medical Biology and Electron Microscopy Center, Rostock University Medical Center, Strempelstrasse 14, 18057 Rostock, Germany
3
Orthopedic Clinic and Policlinic, Rostock University Medical Center, Doberaner Str. 142, 18057 Rostock, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Georgi I. Wassilew
J. Clin. Med. 2022, 11(14), 3946; https://doi.org/10.3390/jcm11143946
Received: 20 April 2022 / Revised: 17 June 2022 / Accepted: 5 July 2022 / Published: 7 July 2022
(This article belongs to the Special Issue State-of-the-Art and Research on Joint Arthroplasties)
Metallic deposition is a commonly observed phenomenon on the surface of revised femoral heads in total hip arthroplasty and can lead to increased wear due to third bodies. In order to find out the origin and composition of the transfer material, 98 retrieved femoral heads of different materials were examined with regard to the cause of revision, localization, pattern and composition of the transfer material by energy dispersive X-ray spectroscopy. We found that in 53.1%, the deposition was mostly in the region of the equator and the adjacent pole of the femoral heads. The most common cause for revision of heads with metallic deposition was polyethylene wear (43.9%). Random stripes (44.9%), random patches (41.8%) and solid patches (35.7%) were most prevalent on retrieved femoral heads. Random patches were a typical pattern in ceramic-on-ceramic bearing couples. The solid patch frequently occurred in association with dislocation of the femoral head (55%). The elemental analysis of the depositions showed a variety of different materials. In most cases, titanium was an element of the transferred material (76.5%). In addition to metallic components, several non-metallic components were also detected, such as carbon (49%) or sulfur (4.1%). Many of the determined elements could be assigned with regard to their origin with the help of the associated revision cause. Since the depositions lead to an introduction of third-body particles and thus to increased wear, the depositions on the bearing surfaces should be avoided in any case. View Full-Text
Keywords: material transfer; total hip arthroplasty; deposition pattern; femoral head material transfer; total hip arthroplasty; deposition pattern; femoral head
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MDPI and ACS Style

Hembus, J.; Rößler, L.; Springer, A.; Frank, M.; Klinder, A.; Bader, R.; Zietz, C.; Enz, A. Experimental Investigation of Material Transfer on Bearings for Total Hip Arthroplasty—A Retrieval Study on Ceramic and Metallic Femoral Heads. J. Clin. Med. 2022, 11, 3946. https://doi.org/10.3390/jcm11143946

AMA Style

Hembus J, Rößler L, Springer A, Frank M, Klinder A, Bader R, Zietz C, Enz A. Experimental Investigation of Material Transfer on Bearings for Total Hip Arthroplasty—A Retrieval Study on Ceramic and Metallic Femoral Heads. Journal of Clinical Medicine. 2022; 11(14):3946. https://doi.org/10.3390/jcm11143946

Chicago/Turabian Style

Hembus, Jessica, Lisa Rößler, Armin Springer, Marcus Frank, Annett Klinder, Rainer Bader, Carmen Zietz, and Andreas Enz. 2022. "Experimental Investigation of Material Transfer on Bearings for Total Hip Arthroplasty—A Retrieval Study on Ceramic and Metallic Femoral Heads" Journal of Clinical Medicine 11, no. 14: 3946. https://doi.org/10.3390/jcm11143946

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