Biomechanical analysis of a transiliac internal fixator

Dienstknecht, Thomas and Berner, Arne and Lenich, Andreas and Zellner, Johannes and Mueller, Michael and Nerlich, Michael and Fuechtmeier, Bernd (2011) Biomechanical analysis of a transiliac internal fixator. INTERNATIONAL ORTHOPAEDICS, 35 (12). pp. 1863-1868. ISSN 0341-2695, 1432-5195

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Abstract

We evaluated the biomechanical characteristics of the transiliac internal fixator (TIFI) as compared to two well-established methods of internal posterior pelvic ring fixation. Six freshly frozen human pelves were used for simulated single-leg stance loading of an AO type C injury model (pubic symphysis diastasis and unilateral sacroiliac joint disruption). The symphysis rupture was stabilized with a dynamic compression plate. Afterwards the three internal stabilization systems (TIFI, iliosacral screws and ventral plate osteosynthesis) were analysed. Fragment movement was measured in a contact-free manner with a stereophotometric infrared system. No significant differences in the three-dimensional deformation tolerated by the TIFI as compared to the other internal fixation systems were found. The transiliac internal fixator provides the same biomechanical stability as the other reference implants tested. We suggest the use of this device as a suitable alternative to the other implants.

Item Type: Article
Uncontrolled Keywords: PELVIC RING FRACTURES; SACROILIAC JOINT; STABILIZATION; COMPRESSION; EXPERIENCE; MANAGEMENT; REDUCTION; INJURIES;
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Unfallchirurgie
Depositing User: Dr. Gernot Deinzer
Date Deposited: 26 May 2020 09:01
Last Modified: 26 May 2020 09:01
URI: https://pred.uni-regensburg.de/id/eprint/19743

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