Volume 4, Issue 2, Pages (June 2018)

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Presentation transcript:

Volume 4, Issue 2, Pages 200-204 (June 2018) The effect of constraint on post damage in total knee arthroplasty: posterior stabilized vs posterior stabilized constrained inserts Joseph Konopka, MD, MSc, Lydia Weitzler, MS, Daniel Westrich, Timothy M. Wright, PhD, Geoffrey H. Westrich, MD Arthroplasty Today Volume 4, Issue 2, Pages 200-204 (June 2018) DOI: 10.1016/j.artd.2017.11.001 Copyright © 2017 The Authors Terms and Conditions

Figure 1 3-D image demonstrating differences in the widths of the posts between the PS insert (shown in views a and b) and the PSC insert (shown in views c and d). Arthroplasty Today 2018 4, 200-204DOI: (10.1016/j.artd.2017.11.001) Copyright © 2017 The Authors Terms and Conditions

Figure 2 The insert articular surface (a) was divided into 14 regions. Regions 0-7 were considered articular surface whereas regions 9-13 were considered the post. The insert backside was divided into 4 regions (b). Orientation is labeled for the articular surface view (a). Arthroplasty Today 2018 4, 200-204DOI: (10.1016/j.artd.2017.11.001) Copyright © 2017 The Authors Terms and Conditions

Figure 3 Surface deviations are plotted for the PSC and PS retrieved inserts. Comparisons were made using Student t-tests. Arthroplasty Today 2018 4, 200-204DOI: (10.1016/j.artd.2017.11.001) Copyright © 2017 The Authors Terms and Conditions