Bone and Joint Institute

Title

Conductive polymer sensor arrays for smart orthopaedic implants

Document Type

Conference Proceeding

Publication Date

1-1-2017

Journal

Proceedings of SPIE - The International Society for Optical Engineering

Volume

10167

URL with Digital Object Identifier

10.1117/12.2260404

Abstract

© 2017 SPIE. This study proposes and demonstrates the design, implementation, and characterization of a 3D-printed smartpolymer sensor array using conductive polyaniline (PANI) structures embedded in a polymeric substrate. The piezoresistive characteristics of PANI were studied to evaluate the efficacy of the manufacturing of an embedded pressure sensor. PANI's stability throughout loading and unloading cycles together with the response to incremental loading cycles was investigated. It is demonstrated that this specially developed multi-material additive manufacturing process for polyaniline is a good candidate for the manufacture of implant components with smart-polymer sensors embedded for the analysis of joint loads in orthopaedic implants.

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