Copyright
©The Author(s) 2018. Published by Baishideng Publishing Group Inc. All rights reserved.
Sacroiliac joint stability: Finite element analysis of implant number, orientation, and superior implant length
Derek P Lindsey, Scott A Yerby, Research and Development, SI-BONE, Inc., San Jose, CA 95128, United States
Ali Kiapour, Vijay K Goel, Engineering Center for Orthopaedic Research Excellenc, Departments of Bioengineering and Orthopaedic Surgery, Colleges of Engineering and Medicine, University of Toledo, Toledo, OH 43606, United States
Author contributions: Lindsey DP, Yerby SA and Goel VK designed the research; Kiapour A performed the finite element analysis; Lindsey DP analyzed the results; Lindsey DP, Kiapour A, Yerby SA and Goel VK wrote the paper.
Supported by SI-BONE, Inc., San Jose, CA, United States.
Conflict-of-interest statement: Lindsey DP and Yerby SA are employees of SI-BONE, Inc.
Data sharing statement: No additional data are available.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Derek P Lindsey, MSc, Research Scientist, Research and Development, SI-BONE, Inc., 3055 Olin Avenue, Suite 2200, San Jose, CA 95218, United States. dlindsey@si-bone.com
Telephone: +1-408-2070700 Fax: +1-408-5578312
Received: December 5, 2017
Peer-review started: December 6, 2017
First decision: December 18, 2017
Revised: December 22, 2017
Accepted: February 4, 2018
Article in press: February 5, 2018
Published online: March 18, 2018
Peer-review started: December 6, 2017
First decision: December 18, 2017
Revised: December 22, 2017
Accepted: February 4, 2018
Article in press: February 5, 2018
Published online: March 18, 2018
Core Tip
Core tip: Minimally invasive fusion of the sacroiliac (SI) joint is a potential treatment for patients suffering with symptoms related to the SI joint. This study used finite element analysis to investigate how implant orientation, superior implant length, and implant number affect SI joint range of motion. The results of this study demonstrate that placement of 3 implants across the SI joint using a transarticular orientation with superior implant reaching the sacral midline resulted in the most stable construct.