- PRIMAvera muedzo nevatori vechikamu 38 pazvivako zve17 munyika shanu: 27 ye32 yakadzokera pakuverenga uye 26 yakaratidza kuvandudzwa kwekliniki.
- PRIMA System: 2x2 mm isina waya photovoltaic microchip inoshandisa infrared mwenje ine magirazi uye processor kumutsa retina.
- Chengetedzo: Zviitiko zvakashata zvaitarisirwa uye zvakanyanya kugadziriswa, pasina kudzikiswa kwechiono cheperipheral chiripo.
- Science Corporation yakanyorera mvumo muEurope neU.S.; resolution uye kuvandudzwa kwesoftware zviri pasi pekuvandudzwa.
Ongororo yekiriniki yepasi rose yakaratidza kuti a wireless retinal implant yakasanganiswa nemagirazi Inogona kudzoreredza kugona kuverenga kune vanhu vane pakati pekurasikirwa kwekuona nekuda kweiyo geographic atrophy., fomu yepamusoro ye age-related macular degeneration (AMD)Iyo data, yakabudiswa muThe New England Journal of Medicine, inonongedza kune a kuvandudzwa kwebasa izvo kusvika munguva pfupi yapfuura zvaiita sezvisingawanikwe.
Kupfuura iyo hafu yeavo vakapedza gore rimwe rekutevera Vakawana zvakare kugona kuona mavara, manhamba uye mazwi neziso rakarapwa, uye ruzhinji rwakataurwa vachishandisa sisitimu muhupenyu hwavo hwezuva nezuva kumabasa akajairwa. verenga tsamba kana pepaHaisi mushonga, asi kusvetuka kunooneka mukuzvitonga.
Idambudziko ripi rinogadzirisa uye ndiani akatora chikamu?
Geographic atrophy (GA) Ndiyo atrophic musiyano we AMD uye chikonzero chikuru chekupofumadza kusingadzoreki muvakuru vakuru; inotapura vanhu vanopfuura mamiriyoni mashanu pasi rose. Sezvo ichienderera mberi, iyo Chiratidzo chepakati chakasvibiswa nekufa kwemafotoreceptors mu macula, nepo kuona kweparutivi kunowanzochengetedzwa.
The PRIMAvera chinyorwa vaisanganisira varwere ve38 vane makore makumi matanhatu kana kupfuura mu 17 nzvimbo munyika shanu dzeEurope (France, Germany, Italy, Netherlands uye United Kingdom). Pakati pe32 vakapedza mwedzi ye12 yekutevera, 27 vakakwanisa kuverenga zvakare nemudziyo uye 26 (81%) vakawana a kiriniki yakakosha kuvandudzika mukuona acuity.
Pakati pevatori vechikamu, pakanga pane zviitiko zvinonyanya kukosha zvekuvandudza: mumwe murwere akasvika kuziva mamwe mavara makumi mashanu nemapfumbamwe (12 mitsetse) pane chati yeziso, uye paavhareji kuwana kwaive kuri 25 lyrics (mitsara mishanu). Mukuwedzera, the 84% akashuma achishandisa prosthetic vision kumba kuita mabasa emazuva ese.
Chidzidzo chacho chaitungamirirwa na José-Alain Sahel (Yunivhesiti yePittsburgh), Daniel Palanker (Stanford University) y Frank Holz (Yunivhesiti yeBonn), nekubatanidzwa kwezvikwata zvakadai se Moorfields Eye Hospital London nenzvimbo dzakabatana muFrance neItaly.
Iyo PRIMA system inoshanda sei
Iyo mudziyo inotsiva yakakuvadzwa photoreceptors uchishandisa a 2x2 mm, ~ 30 μm gobvu subretinal photovoltaic microchip iyo inoshandura chiedza kuita magetsi emagetsi kuti kurudzira masero eretinal asaraIyo haina bhatiri: inofambiswa nechiedza chainogashira.
Iyo seti inowedzerwa ne peya yemagirazi ane kamera iyo inobata chiitiko ichi uye nekuchiisa pairi pedyo-infrared chiedza pamusoro pekuiswa. Iyi fungidziro inodzivirira kukanganisa kune chero yasara yekuona yepanyama uye inobvumira kugadzirisa zoom uye musiyano kuita kuti mashoko akanaka anodiwa pakuverenga awedzere kubatsira.
Muchigadziro chazvino, iyo implant ine a 378 pixel/electrode array izvo zvinogadzira dema uye chena prosthetic chiratidzo. Vatsvakurudzi vari kushanda shanduro itsva dzine resolution yepamusoro uye kuvandudzwa kwesoftware kufambisa mabasa akadai sekuzivikanwa kwechiso.
Migumisiro yemakiriniki uye kugadzirisa
Ongororo inoratidza kuti, kana uchishandisa sisitimu, vatori vechikamu zvakavandudza mashandiro avo pabvunzo dzekuverenga dzakamira. Kunyange avo vakatanga vasingakwanisi kuziva mavara makuru mitsetse yakati wandei yakakwira mushure mekudzidziswa.
The implantation inoitwa kuburikidza ophthalmological kuvhiyiwa kuti kazhinji inotora maawa asingasviki maviriAnenge mwedzi mumwe gare gare chigadziro chinoshandiswa uye chikamu che kuvandudzwa kwakanyanya, zvakakosha pakudzidza kududzira chiratidzo uye kudzikamisa kutarisa kwako nemagirazi.
Chinhu chakakodzera ndechekuti iyo sisitimu haideredze iripo yeperipheral kuona. Ruzivo rutsva rwepakati rwakapihwa neiyo implant inobatanidza nemaonero echisikigo, iyo inovhura musuwo wekubatanidza zvese ku mabasa ehupenyu hwezuva nezuva.
Kuchengetedza, mhedzisiro yakaipa uye miganhu yazvino
Sezvakaita chero kuvhiyiwa kwemaziso, zvinotevera zvakanyorwa: zvinotarisirwa zviitiko zvakaipa (semuenzaniso, transient ocular hypertension, diki subretinal hemorrhages, kana mauto emunharaunda). Ruzhinji rwakawanda Yakagadziriswa mumavhiki Nekutarisirwa kwekurapa, vakaonekwa vakagadziriswa mushure memwedzi gumi nemiviri.
Nhasi, chiratidzo cheprosthetic chiri monochrome uye ine sarudzo shoma, saka haitsivi chiono che20/20. Zvisinei, kukwanisa kuverenga mavara, zviratidzo kana misoro yenyaya inomiririra shanduko inooneka mukuzvimirira uye kugara zvakanaka kwevanhu vane AG.
Kuwanikwa uye matanho anotevera
Zvichienderana nemhedzisiro, mugadziri, Iyo kambani Science Corporation, akumbira mvumo yekudzora muEurope neUnited States. Zvikwata zvinoverengeka-kusanganisira Stanford nePittsburgh-zviri kuongorora kuvandudzwa kutsva Hardware uye algorithms yekuwedzera kupinza, kuwedzera greyscale, uye optimize mashandiro mumasikirwo emasikirwo.
Kunze kwekudzidzira, mudziyo haisati yavapo mumakiriniki maitiroKana ikabvumidzwa, kutorwa kwayo kunotarisirwa kuve zvishoma nezvishoma uye kutariswa, pakutanga, kune varwere vane geographic atrophy avo. kusangana nesarudzo uye vanoda kuita kudzidziswa kunodiwa.
Mibairo yakaburitswa inoratidza kufambira mberi kwakasimba: vanopfuura 80% yevarwere vakaedzwa vakakwanisa kuverenga mabhii nemashoko vachishandisa prosthetic vision pasina kupa chiono cheperipheralPachine rwendo rurefu rwekufamba-kuvandudza kugadzirisa, nyaradzo, uye kuzivikanwa kwechiso-asi kusvetuka kumberi kunoitwa ne subretinal retinal implants. inoratidza kuchinja kune avo vakarasa kuverenga nekuda kwe AMD.
Ini ndiri anofarira tekinoroji akashandura zvaanofarira zve "geek" kuita basa. Ndapedza makore anopfuura gumi ehupenyu hwangu ndichishandisa tekinoroji yekucheka-kumucheto uye kutamba nemhando dzese dzezvirongwa kunze kwekuda kuziva. Iye zvino ndava nyanzvi mune zvekombiyuta uye mitambo yemavhidhiyo. Izvi zvinodaro nekuti kweanopfuura makore 10 ndanga ndichishanda kunyora kune akasiyana mawebhusaiti pane tekinoroji nemitambo yemavhidhiyo, ndichigadzira zvinyorwa zvinotsvaga kukupa ruzivo rwaunoda mumutauro unonzwisisika nemunhu wese.
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