Identification of the cause of the stem neck fracture in the hip joint endoprosthesis
Authors:
- A. M. Ryniewicz,
- Ł. Bojko,
- Andrzej Ryniewicz. A.,
- P. Pałka,
- W. Ryniewicz
Abstract
Endoprosthesis stem fractures are among the rarest complications that occur after hip joint arthroplasty. The aim of this paper is to evaluate the causes of the fractures of the Aura II stem neck, which is an element of an endoprosthesis implanted in a patient. In order to achieve it, a radiogram was evaluated, the FEM analysis was carried out for the hip joint replaced using the Aura II prosthesis and scanning tests as well as a chemical analysis were performed for the focus of fatigue. The tests performed indicate that the most probable causes leading to the fatigue fracture of the Aura II stem under examination were material defects in the process of casting and forging (forging the material with delamination and the presence of brittle oxides and carbides) that resulted in a significant reduction of strength and resistance to corrosion. In the light of an unprecedented stem neck fracture, this information should be an indication for non-destructive tests of ready-made stems aiming to discover the material and technological defects that may arise in the process of casting and drop forging.
- Record ID
- CUTde73bf4e62264d1cb97fe8f588352d5e
- Publication categories
- ;
- Author
- Journal series
- International Journal of Applied Mechanics and Engineering, ISSN 1425-1655, e-ISSN 2353-9003, [1734-4492]
- Issue year
- 2018
- Vol
- 23
- No
- 1
- Pages
- 223-234
- Other elements of collation
- rys.; tab.; Bibliografia (na s.) - 232-234; Bibliografia (liczba pozycji) - 30; Oznaczenie streszczenia - Streszcz. ang.; Numeracja w czasopiśmie - Vol. 23, No. 1
- Keywords in English
- prosthetic arthroplasty, stem construction, fatigue fracture, FEM (fin ite element method), SEM (scanning electron microscopy)
- DOI
- DOI:10.1515/ijame-2018-0013 Opening in a new tab
- URL
- https://content.sciendo.com/view/journals/ijame/23/1/article-p223.xml Opening in a new tab
- Language
- eng (en) English
- License
- Score (nominal)
- 15
- Additional fields
- Indeksowana w: Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUTde73bf4e62264d1cb97fe8f588352d5e/
- URN
urn:pkr-prod:CUTde73bf4e62264d1cb97fe8f588352d5e
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.