A COMPARATIVE RESEARCH OF VOLUMETRIC WEAR OF FRICTION PAIRS IN A HIP JOINT ENDOPROSTHESIS
MADE OF PYROCARBON AND CERAMICS 

Mitroshin Aleksandr Nikolaevich, Doctor of medical sciences, professor, head of the sub-department of surgery, director of the Medical Institute, Penza State University (40 Krasnaya street, Penza, Russia), an-mitroshin@mail.ru
Kibitkin Andrey Stanislavovich, Head of the traumatological and orthopedic unit, Burdenko Regional Clinical Hospital (28 Lermontov street, Penza, Russia), kibitkinas@mail.ru
Ksenofontov Mikhail Anatol'evich, Senior lecturer, sub-department of the traumatology, orthopedics and military-extreme medicine, Medical Institute, Penza State University ( 40 Krasnaya street, Penza, Russia), MAKsenofontov@mail.ru
Kosmynin Dmitriy Alekseevich, Senior lecturer, sub-department of the traumatology, orthopedics and military-extreme medicine, Medical Institute, Penza State University (40 Krasnaya street, Penza, Russia), kosmynin86@mail.ru

617.3

10.21685/2072-3032-2018-1-3

Background. The goal of the research is to determine the wearing qualities of a pyrolytic friction pair by experimentally studying of volumetric wear and it’s comparing with the volumetric wear of a ceramic friction pair.
Materials and Methods. The comparative study of a friction pair made of pyrocarbon and ceramic friction pair was carried out at the ECRB.942623.110-07.00 installation in accordance with State Standart ISO 14242-3–2013.
Results. The experiment was stopped after reaching the number of cycles required by the State standart requirements in both experiments. The volumetric wear of a friction pair made of ceramics was 0.022 g, friction pairs of pyrocarbon - 0.014g
Conclusion. The wear of a friction pair of pyrolytic carbon is less on 32 % than ceramic friction.

friction pair, isotropic pyrocarbon, hip joint

1. Havelin L. I., Fenstad A. M., Salomonsson R. et al. Acta Orthopaedica. 2009, vol. 80, pp. 393–401.
2. Jafari S. M. et al. Clin. Orthop. 2010, no. 468, pp. 2046–2051.
3. Fevang B. T. Acta Orthop. 2010, vol. 81, no. 6, pp. 649–659.
4. Nadeev A. A., Ivannikov S. V. Endoprotezy tazobedrennogo sustava v Rossii: filosofiya postroeniya, obzor implantatov, ratsional'nyy vybor [Endoprosthesis of hip joint in Russia: philosophy of construction, review of implants, rational choice]. 2nd ed. (elektronnoe). Moscow: Binom. Lab. znaniy, 2012, 177 p.