Diz Eklem Protezlerinde Kullanılan UHMWPE Insert Bileşeni için Aşınma Durumunun Diz Eklem Protezi Aşınma Test Simülatörü İle İncelenmesi

Yıl 2020, , 15 - 21, 15.01.2020

Ender Emir , Erkan Bahçe , Mehmet Sami Güler

https://doi.org/10.17714/gumusfenbil.546915

Öz

Günümüzde bireylerin diz ekleminde trafik
kazaları, spor yaralanmaları ve kıkırdak yapısında meydana gelen deformasyon
sonucunda cerrahi operasyonlarda diz eklem protezleri yoğun olarak
kullanılmaktadır. Ancak kullanım şartlarına bağlı olarak protez bileşenlerinde
oluşabilecek hataların belirlenebilmesi gerekmektedir. Bu çalışmada kullanım
esnasında diz eklem protez bileşenlerinden biri olan yüksek moleküler
yoğunluklu ultra hafif polietilen (UHMWPE) insert bileşeninde meydana gelen
hata durumlarının gözlemlenebilmesi amaçlandı. Bu nedenle diz simülatörü ile
aşınma testi 1x10⁶, 2x10⁶ ve 3x10⁶ olmak üzere
üç farklı çevrim sayısında gerçekleştirildi. Testlerin sonunda UHMWPE insert medial
ve lateral kondillerden mikroskop görüntüleri ve kütle kaybı ölçümleri alındı.
Elde edilen bulgularda çevrim sayısının artışına bağlı olarak UHMWPE insert bileşeni
üzerinde farklı eksenlerdeki tekrarlı kuvvetler sonucunda çukurcuk aşınmalarının,
kılcal çatlakların, çiziklerin, yığılmış partiküllerin ve kütle kayıplarının belirgin
bir şekilde oluştuğu görüldü. 

Anahtar Kelimeler

Diz Eklem Protezi, Kütle Kaybı, UHMWPE Insert, Yüzey kalitesi

Investigation of the Wear Condition for the UHMWPE Insert Component Used in Knee Joint Prosthesis with Knee Joint Prosthesis Wear Test Simulator

Öz

Today, knee joint prosthesis is used
extensively in surgical operations as a result of traffic accidents, sports
injuries and in the deformation of the cartilage structure in the knee joint of
individuals. However, depending on the conditions of use, it is necessary to
determine the defects that may occur in the prosthetic components. In this
study, it is aimed to observe the error mechanisms of ultra high molecular
weight polyethylene (UHMWPE) insert component which is one of the knee joint
prosthesis components during use. Therefore, the wear test with knee simulator
was carried out in three different cycles; 1x10⁶, 2x10⁶
and 3x10⁶. At the end of the tests, microscop images and mass loss
measurements were taken from the medial and lateral condyles of the UHMWPE
insert. According to the results, it is seen that due to the increase in the
number of cycles, it is seen that pitting wear, capillary cracks, scratches,
agglomerated particles and mass losses occur as a result of repetitive forces
on different axes on UHMWPE insert component.

Anahtar Kelimeler

Knee Joint Prosthesis, Mass Loss, UHMWPE Insert, Surface Quality

Kaynakça

• Abdelgaied, A., Liu, F., Brockett, C., Jennings, L., Fisher, J. ve Jin, Z., 2011. Computational wear prediction of artificial knee joints based on a new wear law and formulation. Journal of Biomechanics. 44, 1108–1116, doi:10.1016/j.jbiomech.2011.01.027
• Abdel-Jaber, S., Belvedere, C., Leardini, A. ve Affatato, S., 2015. Wear simulation of total knee prostheses using load and kinematics waveforms from stair climbing. Journal of Biomechanics. 48, 3830–3836, doi: 10.1016/j.jbiomech.2015.09.007.
• Affatato, S., Spinelli, M., Lopomo, N., Grupp, T. M., Marcacci, M. ve Toni, A., 2011. Can the method of fixation influence the wear behaviour of ZrN coated unicompartmental mobile knee prostheses. Clinical Biomechanics. 26(2), 152–158, doi:10.1016/j.clinbiomech.2010.09.010 Cheng, H., J. ve Hsiau, S., S., 2010. The study of granular agglomeration mechanism. Powder Technology. 199, 272–283, doi:10.1016/j.powtec.2010.01.016
• Flannery, M., McGloughlin, T., Jones, E. ve Birkinshaw, S., 2008. Analysis of wear and friction of total knee replacements: Part I. Wear assessment on a three station wear simulator. Wear. 265, 999-1008, https://doi.org/10.1016/j.wear.2008.02.024
• ISO (2014). Loading and displacement parameters for wear-testing machines with displacemet control and corresponding environmental conditions for test, ISO 14243-3: International Organization for Standardization
• Junfen. S., 2007. Finite Element Analysis Of Total Knee Replacement Considering Gait Cycle Load and Malalıgnment, Ph.D. Thesis, Wolverhampton University England, 142s
• Lancin, P., Essner, A., Yau, S., S. ve Wang, A., 2007. Wear performance of 1900 direct compression molded, 1020 direct compression molded, and 1020 sheet compression molded UHMWPE under knee simulator testing. Wear. 263, 1030–1033, doi:10.1016/j.wear.2007.01.120
• Liu, A., Richards, L., Bladen, C., L., Ingham, E., Fisher, J. ve Tipper, J., L., 2015. The biological response to nanometer sized polymer particles. Acta Biomaterialia. 23, 38–51, doi:10.1016/j.actbio.2015.05.016
• Lombardi, A., V., Ellison, B., S. ve Berend, K., R., 2008. Polyethylene Wear Is Influenced by Manufacturing Technique in Modular TKA. Clinical Orthopaedics and Related Research. 466, 2798–2805, doi:10.1007/s11999-008-0470-6
• Schwenke, T., Orozco, D., Schneider, E. ve Wimmer, M., A., 2009. Differences in wear between load and displacement control tested total knee replacements. Wear. 267, 757–762, doi:10.1016/j.wear.2009.01.028
• Villa, T., Migliavacca, F., Gastaldi, D., Colombo, M. ve Pietrabissa, R., 2004. Contact stresses and fatigue life in a knee prosthesis: comparison between in vitro measurements and computational simulations. Journal of Biomechanics. 37 45–53, doi:10.1016/s0021-9290(03)00255-0
• Willing, R. ve Kim, I., Y., 2009. A holistic numerical model to predict strain hardening and damage of UHMWPE under multiple total knee replacement kinematics and experimental validation. Journal of Biomechanics, 42(15), 2520–2527, doi:10.1016/j.jbiomech.2009.07.008
• Wright, T., M. ve Goodman, S., B., 2001a.What design factors influence wear behavior in total knee replacement. American Academy of Orthopaedic Surgeons (Ed.). Implant Wear in Total Joint Replacement. p.224.