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Biomedical Engineering / Biomedizinische Technik

Joint Journal of the German Society for Biomedical Engineering in VDE and the Austrian and Swiss Societies for Biomedical Engineering and the German Society of Biomaterials

Editor-in-Chief: Dössel, Olaf

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Volume 60, Issue 2

Issues

Volume 57 (2012)

Prophylactic bioactive screw fixation as an alternative augmentation for femoroplasty

Takehito Hananouchi
  • Corresponding author
  • Medical Engineering Laboratory, Department of Mechanical Engineering, Faculty of Engineering, Osaka Sangyo University, 3-1-1 Nakagaito, Daito 574-8530, Japan
  • Email
  • Other articles by this author:
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Published Online: 2015-01-10 | DOI: https://doi.org/10.1515/bmt-2014-0169

Abstract

Femoroplasty is theoretically a prophylactic surgical procedure for femoral neck fracture. Although bone cement is generally used for augmentation, its distribution cannot be easily controlled. This study investigated whether a bioactive screw is feasible for femoroplasty as an alternative augmentation material. A mechanical test was done to compare the strength of four types of augmentation bioactive screw (Superfixsorb), two bioinert cements, or no intervention in a composite femoral bone. The peak load to fracture under simulated falling was compared among the four groups. The mean peak load to failure in the bioactive screw group (2667 N) was significantly higher than that in the intact group (2391 N) (p=0.028), comparable to that in the Simplex P cement group (2864 N) (p=0.11), and significantly lower than that of the cranioplastic cement group (3022 N) (p=0.006). The strength of a composite femur with the bioactive screw was higher than that of an intact bone and comparable to one cement augmentation. Thus, this bioactive screw can be potentially used as augmentation material for femoroplasty.

Keywords: bioactive screw; femoral neck fracture; femoroplasty; osteoporosis

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About the article

Corresponding author: Takehito Hananouchi, MD, PhD, Medical Engineering Laboratory, Department of Mechanical Engineering, Faculty of Engineering, Osaka Sangyo University, 3-1-1 Nakagaito, Daito 574-8530, Japan, Phone: +81-72-875-3001, Fax: +81-72-875-3503, E-mail:


Received: 2014-04-29

Accepted: 2014-12-03

Published Online: 2015-01-10

Published in Print: 2015-04-01


Citation Information: Biomedical Engineering / Biomedizinische Technik, Volume 60, Issue 2, Pages 165–169, ISSN (Online) 1862-278X, ISSN (Print) 0013-5585, DOI: https://doi.org/10.1515/bmt-2014-0169.

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