Diego Ghezzi

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Publications associées (49)

Locomotion of Sensor‐Integrated Soft Robotic Devices Inside Sub‐Millimeter Arteries with Impaired Flow Conditions

Diego Ghezzi, Mahmut Selman Sakar, Lorenzo Francesco John Noseda, Amit Yedidia Dolev, Lucio Feo Pancaldi-Giubbini, Adele Fanelli

One of the grand challenges in interventional cardiology and neuroradiology is to minimize the operation time and risk of damage during catheterization. These two factors drastically increase if the target location resides in small and tortuous vessels. Fl ...

Wiley2022

Editorial: Nanomaterials for Communicating With the Brain

Diego Ghezzi

FRONTIERS MEDIA SA2022

POLYRETINA restores light responses in vivo in blind Gottingen minipigs

Diego Ghezzi, Marta Jole Ildelfonsa Airaghi Leccardi, Paola Vagni, Elodie Geneviève Zollinger, Golnaz Sherafatipour, Charles-Henri Puncho Jérôme Vila

Retinal prostheses hold potential for artificial vision in blind people. Here, authors show that POLYRETINA, a large and high-density photovoltaic epiretinal device, restores light-evoked cortical responses in blind Gottingen minipigs at safe irradiance le ...

Nature Portfolio2022

Conformable neural interface based on off-stoichiometry thiol-ene-epoxy thermosets

Diego Ghezzi, Eleonora Borda, Danashi Imani Medagoda, Marta Jole Ildelfonsa Airaghi Leccardi, Elodie Geneviève Zollinger

Off-stoichiometry thiol-ene-epoxy (OSTE+) thermosets show low permeability to gases and little absorption of dissolved molecules, allow direct low-temperature dry bonding without surface treatments, have a low Young's modulus, and can be manufactured via U ...

ELSEVIER SCI LTD2022

Virtual reality validation of naturalistic modulation strategies to counteract fading in retinal stimulation

Diego Ghezzi, Naïg Aurelia Ludmilla Chenais

Objective. Temporal resolution is a key challenge in artificial vision. Several prosthetic approaches are limited by the perceptual fading of evoked phosphenes upon repeated stimulation from the same electrode. Therefore, implanted patients are forced to p ...

2022

Three-dimensional multilayer concentric bipolar electrodes restrict spatial activation in optic nerve stimulation

Diego Ghezzi, Eleonora Borda, Marta Jole Ildelfonsa Airaghi Leccardi, Vivien Gaillet, Elodie Geneviève Zollinger, Ricardo Camilo Moreira

Objective. Intraneural nerve interfaces often operate in a monopolar configuration with a common and distant ground electrode. This configuration leads to a wide spreading of the electric field. Therefore, this approach is suboptimal for intraneural nerve ...

IOP Publishing Ltd2022

Ultra-Miniaturised CMOS Current Driver for Wireless Biphasic Intracortical Microstimulation

Sandro Carrara, Diego Ghezzi, Gian Luca Barbruni

This work shows an ultra-miniaturised and ultra-low-power CMOS current driver for biphasic intracortical microstimulation. The CMOS driver is composed of a leakage-based voltage-to-current converter and an H-bridge circuit providing biphasic charge-balance ...

IEEE2022

Advances in visual prostheses: engineering and biological challenges

Diego Ghezzi, Eleonora Borda

Vision is an extraordinary sense through which we can appreciate the beauty of the world we live in, gain invaluable knowledge and communicate with others using visual expression and arts. On the contrary, blindness is a threatening medical condition disru ...

IOP Publishing Ltd2022

A 20 Mbps, 433 MHz RF ASK Transmitter to Inductively Power a Distributed Network of Miniaturised Neural Implants

Sandro Carrara, Diego Ghezzi, Gian Luca Barbruni

Simultaneous wireless information and power transfer is an emerging technique in neurotechnology. This work presents an efficient transmitter for both power transfer and downlink data communication to multiple, miniaturised and inductively-powered chips. W ...

IEEE2021

Transient electronics: new opportunities for implantable neurotechnology

Diego Ghezzi, Adele Fanelli

Neurotechnology includes artificial devices integrated with the neural tissue to mitigate the burden of neurological and mental disorders. This field has significantly expanded its range of applications thanks to the development of flexible, stretchable an ...

2021

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