Technical Briefs

Development of a Self-Opening Neural Interface

[+] Author and Article Information
Annarita Cutrone

e-mail: a.cutrone@sssup.it

Sivia Bossi

e-mail: s.bossi@sssup.it
Scuola Superiore Sant'Anna,
Istituto di Biorobotica,
Pisa, Italy

Silvestro Micera

Scuola Superiore Sant'Anna,
Istituto di Biorobotica,
Pisa, Italy;
Translational Neural Engineering Laboratory,
Ecole Poytechnique Federale de Lausanne,
Lausanne, Switzerland
e-mail: micera@sssup.it

Manuscript received March 14, 2013; final manuscript received April 30, 2013; published online June 17, 2013. Editor: Gerald E. Miller.

J. Med. Devices 7(2), 020938 (Jun 17, 2013) (3 pages) Paper No: MED-13-1027; doi: 10.1115/1.4024379 History: Received March 14, 2013; Revised April 30, 2013

This article illustrates the development and preliminary results of SELINE, a self-opening neural interface. The advantages of this innovative neural interface are: higher selectivity due to its three-dimensional structure and efficient anchorage system to the nervous tissue. The device is made of polyimide that is a lightweight, flexible and biocompatible polymer. The electrode has been microfabricated using lithographic techniques; electrical and mechanical tests have been performed to evaluate the integrity of the device. Successful results have been obtained in the development of the electrode with excellent mechanical and electrical properties.

Copyright © 2013 by ASME
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Grahic Jump Location
Fig. 4

View of the electrode after tensile test: breakage occurred in wing 1

Grahic Jump Location
Fig. 3

View of the electrode (a); view of the wing opening (b)

Grahic Jump Location
Fig. 2

View of active sites and wings of the electrode on the silicon wafer. Active site 1 is the farthest contact from the pads; active site 5 is the closest contact to the pads.

Grahic Jump Location
Fig. 1

Scheme of the lateral view of the self-opening electrode



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