Naslov
Design parameters influencing the failure mechanism of neck stem coupling in modular hip prosthesis
(Mechanism of neck stem coupling in modular hip prosthesis)

Autori
Huber, Wolfgang ; Beer, J. Rudolf ; Tomičević, Zvonimir ; Kodvanj, Janoš

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
10th Congress of the European Federation of National Associations of Orthopaedics and Traumatology (EFORT) / - Beč, 2009, E-Poster P364

Skup
10th Congress of the European Federation of National Associations of Orthopaedics and Traumatology (EFORT)

Mjesto i datum
Beč, Austrija, 03.06.2009. - 06.06.2009

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
modular hip prosthesis; failure mechanism; plastic deformation; energy of deformation

Sažetak
In modern hip arthroplasty exact anatomical and biomechanical reconstruction of the joint is demanded (1). The majority of the implant systems shows only a limited variability. This restriction leads to different clinical problems resulting in a disturbance of the gait, impingement between the components, an increase of the wear and a higher rate of dislocation (2, 3, 4). Since the eighties of the last century modular hip systems with different option of the stem – neck area were developed for primary implantation or revision, which offers a more individual restoration in hip surgery. The advantages of these systems are the optimal reconstruction of the head center, the femoral anteversion and offset (5). It was reached by introducing an additional coupling between stem and neck, which is accompanied by mechanical problems and could lead to breakage of the implant under special circumstances (Abb. 1a, b).This study deals with the reason of mechanical failure in taper locked joint of modular hip arthroplasty influenced by design –parameters.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo

POVEZANOST RADA