Abstract | ||
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A biomedical interface that combines into a single and compact device the recording of biopotentials and the electrical stimulation of neural fibres is presented. It is intended for enabling the control over a robotic hand and for restoring the sensory feedback in amputees by directly interfacing the peripheral nervous system (PNS) in closed-loop. A modular system consisting in one or more independent 16-channels bidirectional units was conceived. Each module is based on three 0.35 mu m bulk-CMOS integrated circuits (ICs): a recording unit, a High-Voltage (HV) stimulator and a HV booster. A tunable bandwidth (1 0 Hz-8kHz) allows the recording IC to acquire both electroneurographyc (ENG) and electromiographyc (EMG) signals with a programmable gain up to 43.5 dB. The signals are then converted into a digital domain by means of a Sigma Delta converter. Due to the typical high impedance at the electrode-tissue interface, a programmable HV booster that increases the stimulation voltage up to 19V was designed. It is directly controlled by the stimulation module that generates current-based pulses with a programmable amplitude and pulse-width. The whole system was validated by means of in vivo experiments in rats. |
Year | DOI | Venue |
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2017 | 10.1109/EMBC.2017.8037228 | 2017 39TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC) |
Field | DocType | Volume |
Computer science,Brain–computer interface,Voltage,Interfacing,Communication channel,Electronic engineering,Bandwidth (signal processing),Modular design,Electrical engineering,Integrated circuit,High impedance | Conference | 2017 |
ISSN | Citations | PageRank |
1094-687X | 0 | 0.34 |
References | Authors | |
4 | 13 |
Name | Order | Citations | PageRank |
---|---|---|---|
Lorenzo Bisoni | 1 | 12 | 3.37 |
Caterina Carboni | 2 | 22 | 4.73 |
Roberto Puddu | 3 | 6 | 2.02 |
Gianluca Barabino | 4 | 16 | 3.59 |
Danilo Pani | 5 | 93 | 23.52 |
Luigi Raffo | 6 | 265 | 38.89 |
Matthias Mueller | 7 | 3 | 3.10 |
thomas stieglitz | 8 | 17 | 19.77 |
Jaume del Valle | 9 | 0 | 0.68 |
Natalia de la Oliva | 10 | 0 | 0.34 |
ignacio delgadomartinez | 11 | 3 | 1.83 |
Xavier Navarro | 12 | 6 | 2.49 |
Massimo Barbaro | 13 | 64 | 11.81 |