Journal
MEDICAL ENGINEERING & PHYSICS
Volume 33, Issue 10, Pages 1254-1261Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.medengphy.2011.06.001
Keywords
Neural interface; Peripheral nerve; Insertion procedure; Structural and FE analysis; Asymmetric kinematics
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Funding
- European Union (EU) [FP7-ICT-2007-224012]
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In this paper a self-opening intrafascicular neural interface (SELINE) has been modeled using both a theoretical approach and a Finite Element (FE) analysis. This innovative self opening interface has several potential advantages such as: higher selectivity due to its three-dimensional structure and efficient anchorage system. Mechanical, structural and micro-technological issues have been considered to obtain an effective design of the electrode, as a feasibility study of the self-opening approach. A simple framework has been provided to model the insertion and partial retraction into peripheral nerves, resulting in the opening of wings. This integrated approach results in a rational procedure to optimize kinematics, geometry, and structural properties of peripheral interfaces. The design and feasibility study carried out in this work can potentially assure a correct behavior and dimensioning of the neural interface: in this way anomalous breakage should be avoided while mechanical and geometrical biocompatibility should increase. (C) 2011 IPEM. Published by Elsevier Ltd. All rights reserved.
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