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Technical Briefs

Investigation of an Early Intervention Tibial Component for Medial Osteoarthritis

[+] Author and Article Information
Miriam Chaudhary

Department of Orthopaedic Surgery,
NYU Hospital for Joint Diseases,
New York, NY;
Department of Chemical and Biological Sciences,
NYU-Poly, Brooklyn, NY

Peter S. Walker

Department of Orthopaedic Surgery,
NYU Hospital for Joint Diseases,
New York, NY;
Department of Mechanical and Aerospace Engineering,
NYU-Poly, Brooklyn, NY

Manuscript received March 15, 2013; final manuscript received April 25, 2013; published online June 5, 2013. Editor: Arthur G. Erdman.

J. Med. Devices 7(2), 020908 (Jun 05, 2013) (3 pages) Paper No: MED-13-1041; doi: 10.1115/1.4024335 History: Received March 15, 2013; Revised April 25, 2013

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Figures

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Fig. 1

(a) Four components analyzed: EI 2 mm, EI 3 mm, all-plastic UKA, metal-backed UKA. (b) Change in density and elastic modulus with resection depths ranging from 2 mm to 6 mm.

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Fig. 2

Stresses at the bone interface beneath EI and UKA components

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Fig. 3

Strains at the bone interface beneath EI and UKA components

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Fig. 4

Strain energy density in an intact proximal tibia and tibia models with an EI or UKA component

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