Microelectronic Retinal Prosthesis: I. A Neurostimulator for the Concurrent Activation of Multiple Electrodes
An application specific integrated circuit (ASIC) capable of delivering charge to multiple electrodes in unison has been developed. The ASIC is designed to function as part of an epi-retinal prosthesis driving an array of electrodes in a hexagonal mosaic. This unique organization of electrodes and t...
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| Veröffentlicht in: | 2006 International Conference of the IEEE Engineering in Medicine and Biology Society 2006, Vol.2006, p.4647-4650 |
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| container_title | 2006 International Conference of the IEEE Engineering in Medicine and Biology Society |
| container_volume | 2006 |
| creator | Wong, Y.T. Dommel, N. Preston, P.J. Lehmann, T. Lovell, N.H. Suaning, G.J. |
| description | An application specific integrated circuit (ASIC) capable of delivering charge to multiple electrodes in unison has been developed. The ASIC is designed to function as part of an epi-retinal prosthesis driving an array of electrodes in a hexagonal mosaic. This unique organization of electrodes and the use of current sources and sinks is implemented to reduce the electrical cross-talk that occurs when many electrodes are activated in unison. Due to the large numbers of electrodes needed to provide useful vision to implantees, the interleaving strategies used in cochlear implants will not suffice for a vision prosthesis, where the "frame rate" is important for acceptable perceptual outcomes. This paper describes the design, and architectural approaches and performance testing of the developed ASIC |
| doi_str_mv | 10.1109/IEMBS.2006.259606 |
| format | Article |
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A Neurostimulator for the Concurrent Activation of Multiple Electrodes</title><source>IEEE Electronic Library (IEL) Conference Proceedings</source><creator>Wong, Y.T. ; Dommel, N. ; Preston, P.J. ; Lehmann, T. ; Lovell, N.H. ; Suaning, G.J.</creator><creatorcontrib>Wong, Y.T. ; Dommel, N. ; Preston, P.J. ; Lehmann, T. ; Lovell, N.H. ; Suaning, G.J.</creatorcontrib><description>An application specific integrated circuit (ASIC) capable of delivering charge to multiple electrodes in unison has been developed. The ASIC is designed to function as part of an epi-retinal prosthesis driving an array of electrodes in a hexagonal mosaic. This unique organization of electrodes and the use of current sources and sinks is implemented to reduce the electrical cross-talk that occurs when many electrodes are activated in unison. Due to the large numbers of electrodes needed to provide useful vision to implantees, the interleaving strategies used in cochlear implants will not suffice for a vision prosthesis, where the "frame rate" is important for acceptable perceptual outcomes. 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A Neurostimulator for the Concurrent Activation of Multiple Electrodes</title><title>2006 International Conference of the IEEE Engineering in Medicine and Biology Society</title><addtitle>IEMBS</addtitle><addtitle>Conf Proc IEEE Eng Med Biol Soc</addtitle><description>An application specific integrated circuit (ASIC) capable of delivering charge to multiple electrodes in unison has been developed. The ASIC is designed to function as part of an epi-retinal prosthesis driving an array of electrodes in a hexagonal mosaic. This unique organization of electrodes and the use of current sources and sinks is implemented to reduce the electrical cross-talk that occurs when many electrodes are activated in unison. Due to the large numbers of electrodes needed to provide useful vision to implantees, the interleaving strategies used in cochlear implants will not suffice for a vision prosthesis, where the "frame rate" is important for acceptable perceptual outcomes. 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A Neurostimulator for the Concurrent Activation of Multiple Electrodes</title><author>Wong, Y.T. ; Dommel, N. ; Preston, P.J. ; Lehmann, T. ; Lovell, N.H. ; Suaning, G.J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i214t-dfccfca1315f5f09852e8d628d9b078008a67d4d5c5a9c0624852ac419a9c4a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Application specific integrated circuits</topic><topic>Australia</topic><topic>Cochlear implants</topic><topic>Electric Stimulation</topic><topic>Electrical stimulation</topic><topic>Electrodes</topic><topic>Electrodes, Implanted</topic><topic>Electrophysiology</topic><topic>Equipment Design</topic><topic>Frequency</topic><topic>Humans</topic><topic>Microelectrodes</topic><topic>Microelectronics</topic><topic>Models, Theoretical</topic><topic>Prosthesis Design</topic><topic>Prosthesis Implantation - methods</topic><topic>Prosthetics</topic><topic>Radio Waves</topic><topic>Retina</topic><topic>Retina - pathology</topic><topic>Retinal Diseases - therapy</topic><topic>Time Factors</topic><topic>Visual system</topic><toplevel>online_resources</toplevel><creatorcontrib>Wong, Y.T.</creatorcontrib><creatorcontrib>Dommel, N.</creatorcontrib><creatorcontrib>Preston, P.J.</creatorcontrib><creatorcontrib>Lehmann, T.</creatorcontrib><creatorcontrib>Lovell, N.H.</creatorcontrib><creatorcontrib>Suaning, G.J.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>2006 International Conference of the IEEE Engineering in Medicine and Biology Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Wong, Y.T.</au><au>Dommel, N.</au><au>Preston, P.J.</au><au>Lehmann, T.</au><au>Lovell, N.H.</au><au>Suaning, G.J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microelectronic Retinal Prosthesis: I. A Neurostimulator for the Concurrent Activation of Multiple Electrodes</atitle><jtitle>2006 International Conference of the IEEE Engineering in Medicine and Biology Society</jtitle><stitle>IEMBS</stitle><addtitle>Conf Proc IEEE Eng Med Biol Soc</addtitle><date>2006</date><risdate>2006</risdate><volume>2006</volume><spage>4647</spage><epage>4650</epage><pages>4647-4650</pages><issn>1557-170X</issn><isbn>9781424400324</isbn><isbn>1424400325</isbn><abstract>An application specific integrated circuit (ASIC) capable of delivering charge to multiple electrodes in unison has been developed. The ASIC is designed to function as part of an epi-retinal prosthesis driving an array of electrodes in a hexagonal mosaic. This unique organization of electrodes and the use of current sources and sinks is implemented to reduce the electrical cross-talk that occurs when many electrodes are activated in unison. Due to the large numbers of electrodes needed to provide useful vision to implantees, the interleaving strategies used in cochlear implants will not suffice for a vision prosthesis, where the "frame rate" is important for acceptable perceptual outcomes. This paper describes the design, and architectural approaches and performance testing of the developed ASIC</abstract><cop>United States</cop><pub>IEEE</pub><pmid>17946643</pmid><doi>10.1109/IEMBS.2006.259606</doi><tpages>4</tpages></addata></record> |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Application specific integrated circuits Australia Cochlear implants Electric Stimulation Electrical stimulation Electrodes Electrodes, Implanted Electrophysiology Equipment Design Frequency Humans Microelectrodes Microelectronics Models, Theoretical Prosthesis Design Prosthesis Implantation - methods Prosthetics Radio Waves Retina Retina - pathology Retinal Diseases - therapy Time Factors Visual system |
| title | Microelectronic Retinal Prosthesis: I. A Neurostimulator for the Concurrent Activation of Multiple Electrodes |
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