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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: An integrated interface for peripheral neural system recording and stimulation: system design, electrical tests and in-vivo results.
    Author: Carboni C, Bisoni L, Carta N, Puddu R, Raspopovic S, Navarro X, Raffo L, Barbaro M.
    Journal: Biomed Microdevices; 2016 Apr; 18(2):35. PubMed ID: 27007860.
    Abstract:
    The prototype of an electronic bi-directional interface between the Peripheral Nervous System (PNS) and a neuro-controlled hand prosthesis is presented. The system is composed of 2 integrated circuits: a standard CMOS device for neural recording and a HVCMOS device for neural stimulation. The integrated circuits have been realized in 2 different 0.35μ m CMOS processes available from ams. The complete system incorporates 8 channels each including the analog front-end, the A/D conversion, based on a sigma delta architecture and a programmable stimulation module implemented as a 5-bit current DAC; two voltage boosters supply the output stimulation stage with a programmable voltage scalable up to 17V. Successful in-vivo experiments with rats having a TIME electrode implanted in the sciatic nerve were carried out, showing the capability of recording neural signals in the tens of microvolts, with a global noise of 7μ V r m s , and to selectively elicit the tibial and plantar muscles using different active sites of the electrode.
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