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Med Eng Phys. 2011 Dec;33(10):1254-61. doi: 10.1016/j.medengphy.2011.06.001. Epub 2011 Jun 29.

Modelization of a self-opening peripheral neural interface: a feasibility study.

Author information

1
Biorobotics Institute, Scuola Superiore Sant'Anna, Pisa, Italy.

Abstract

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.

PMID:
21719340
DOI:
10.1016/j.medengphy.2011.06.001
[Indexed for MEDLINE]

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