Pullout performance comparison of novel expandable pedicle screw with expandable poly-ether-ether-ketone shells and cement-augmented pedicle screws

Aim of this study is to assess the pullout performance of various pedicle screws in different test materials. Polyurethane foams (Grade 10 and Grade 40) produced in laboratory and bovine vertebrae were instrumented with normal, cannulated (cemented), novel expandable and normal (cemented) pedicle sc...

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Veröffentlicht in:	Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine Journal of engineering in medicine, 2017-02, Vol.231 (2), p.169-175
Hauptverfasser:	Aycan, Mehmet Fatih, Tolunay, Tolga, Demir, Teyfik, Yaman, Mesut Emre, Usta, Yusuf
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Biomechanical Phenomena Bone Cements Cattle Cement Cementing Equipment Failure Analysis Foams Humans In Vitro Techniques Ketones Materials Testing Pedicle Screws Plastic foam Polyether ether ketones Polyethylene Glycols Polymethylmethacrylate Polyurethane Polyurethane foam Polyurethanes Pull out tests Radiographs Radiography Screws Shells Spinal Fusion - instrumentation Spine Strength Test procedures Vertebrae
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