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Validation of the primary stability of a shape memory alloy spine pedicle screw

Presentation held at the XXVI Congress of the International Society of Biomechanics, 23-27 July 2017, Brisbane
Validation der Primärstabilität einer Formgedächtnis-Pedikelschraube
: Werner, Michael; Hammer, Niels; Rotsch, Christian; Leimert, Mario

presentation urn:nbn:de:0011-n-4734814 (1.2 MByte PDF)
MD5 Fingerprint: 694313c980ee2f274c157f8a83a4492e
Created on: 17.11.2017

2017, 17 Folien
International Society of Biomechanics (Congress) <26, 2017, Brisbane>
Presentation, Electronic Publication
Fraunhofer IWU ()
pedicle screw; shape memory; experimental test; aktuator screw

Pedicle screws are well established and have been become an essential tool in spinal surgery. However, complications are common, especially in geriatric patients with poor bone quality. Expandable screws are very promising to improve the osteoporotic bone anchorage. In own previous work a novel shape memory alloy (SMA) pedicle screw concept was developed that braces itself against the osseous environment after implantation by heating to body temperature. The aim of this study is to investigate first the influence of the actuator force.