Fracture of an uncemented tantalum patellar component

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Presentation transcript:

Fracture of an uncemented tantalum patellar component Nathan L. Grimm, MD, Robert A. Henderson, MD, MSc, Joseph J. Kavolus, MD, MSCR, Patrick D. Millikan, MD, Paul F. Lachiewicz, MD Arthroplasty Today Volume 2, Issue 2, Pages 45-47 (June 2016) DOI: 10.1016/j.artd.2016.01.005 Copyright © 2016 The Authors Terms and Conditions

Figure 1 Initial radiograph showing fractured patellar component dislocated to medial joint. Arthroplasty Today 2016 2, 45-47DOI: (10.1016/j.artd.2016.01.005) Copyright © 2016 The Authors Terms and Conditions

Figure 2 (a) Arthrotomy of knee showing fractured component (arrow) in medial gutter and (b) showing patellar component peg in situ. Arthroplasty Today 2016 2, 45-47DOI: (10.1016/j.artd.2016.01.005) Copyright © 2016 The Authors Terms and Conditions

Figure 3 Fractured patellar component ex situ. Arthroplasty Today 2016 2, 45-47DOI: (10.1016/j.artd.2016.01.005) Copyright © 2016 The Authors Terms and Conditions

Figure 4 (a) Preparation of patella (arrow shows trephinations) for cemented component and (b) pressing of polyethylene patellar component into prepared patella. Arthroplasty Today 2016 2, 45-47DOI: (10.1016/j.artd.2016.01.005) Copyright © 2016 The Authors Terms and Conditions