{"id":13940,"date":"2025-10-02T12:54:45","date_gmt":"2025-10-02T17:54:45","guid":{"rendered":"https:\/\/visionshare.org\/?p=13940"},"modified":"2026-01-06T14:27:27","modified_gmt":"2026-01-06T20:27:27","slug":"xtra4-linnovation-en-matiere-de-greffe-de-cornee","status":"publish","type":"post","link":"https:\/\/visionshare.org\/fr\/xtra4-corneal-transplant-innovation\/","title":{"rendered":"Extension de la fen\u00eatre de vision : comment XTRA4 pourrait transformer la transplantation de corn\u00e9e"},"content":{"rendered":"<p>\u00c0 Vision Share, nous nous engageons \u00e0 mettre en lumi\u00e8re les innovations qui soutiennent la restauration de la vue dans le monde. Aujourd'hui, nous mettons l'accent sur XTRA4 de Moria Surgical, un milieu de stockage hypothermique de nouvelle g\u00e9n\u00e9ration con\u00e7u pour prolonger la pr\u00e9servation de la corn\u00e9e. Avec l'autorisation 510(k) r\u00e9cemment accord\u00e9e par la FDA, XTRA4 permet de conserver la corn\u00e9e jusqu'\u00e0 14 jours.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Pourquoi l'innovation en mati\u00e8re de stockage est-elle importante ?<\/strong><\/h2>\n\n\n\n<p>Actuellement, les solutions de stockage hypothermique ont une fen\u00eatre pratique limit\u00e9e pour la transplantation de corn\u00e9e. Aux \u00c9tats-Unis, de nombreux chirurgiens \u00e9vitent d'utiliser des tissus conserv\u00e9s pendant plus de sept jours, ce qui se traduit souvent par des corn\u00e9es inutilis\u00e9es malgr\u00e9 une viabilit\u00e9 suffisante. Cette contrainte r\u00e9duit la flexibilit\u00e9, cr\u00e9e des d\u00e9fis logistiques et limite l'acc\u00e8s aux patients qui en ont besoin.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ce qui diff\u00e9rencie XTRA4<\/strong><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"671\" height=\"874\" src=\"https:\/\/visionshare.org\/wp-content\/uploads\/moria-xtra4.webp\" alt=\"Support de stockage corn\u00e9en xtra4 de Moria\" class=\"wp-image-13944\" style=\"width:204px;height:auto\" srcset=\"https:\/\/visionshare.org\/wp-content\/uploads\/moria-xtra4.webp 671w, https:\/\/visionshare.org\/wp-content\/uploads\/moria-xtra4-230x300.webp 230w, https:\/\/visionshare.org\/wp-content\/uploads\/moria-xtra4-9x12.webp 9w\" sizes=\"auto, (max-width: 671px) 100vw, 671px\" \/><\/figure>\n<\/div>\n\n\n<p>Jana Tothova, chef de groupe de la R&amp;D chez Moria, explique, <em>\"Ce support de stockage est le r\u00e9sultat de nombreuses ann\u00e9es de recherche, d'essais et de d\u00e9veloppement. En affinant ses ingr\u00e9dients, nous avons pu recr\u00e9er les conditions physiologiques de la corn\u00e9e pendant le stockage\".<\/em><\/p>\n\n\n\n<p>XTRA4 remplace le dextran par un autre agent de d\u00e9senflement, ce qui permet de maintenir l'\u00e9tat naturel de la corn\u00e9e. Le r\u00e9sultat est un milieu de stockage qui emp\u00eache le gonflement, pr\u00e9serve la transparence et prot\u00e8ge les cellules endoth\u00e9liales du stress. La qualit\u00e9 du tissu reste stable jusqu'\u00e0 14 jours entre 2 et 8\u00b0C, doublant ainsi la fen\u00eatre pratique pour une utilisation chirurgicale.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Avantages pour les chirurgiens et les banques d'yeux<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pour les chirurgiens :<\/strong> L'\u00e9paisseur constante des tissus, l'am\u00e9lioration de la transparence et la stabilit\u00e9 des greffons DSAEK promettent des proc\u00e9dures plus douces et des r\u00e9sultats plus probants.<\/li>\n\n\n\n<li><strong>Pour les banques oculaires :<\/strong> Aucune modification du flux de travail. XTRA4 est conditionn\u00e9 comme les supports existants, avec une dur\u00e9e de conservation de 24 mois, ce qui rend l'adoption transparente.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Perspectives d'avenir<\/strong><\/h2>\n\n\n\n<p>Des preuves pr\u00e9liminaires sugg\u00e8rent que XTRA4 peut pr\u00e9server les tissus au-del\u00e0 de 14 jours, ce qui ouvre la voie \u00e0 de futures extensions de la FDA. Si elle est adopt\u00e9e \u00e0 grande \u00e9chelle, cette innovation pourrait r\u00e9duire le gaspillage de tissus, \u00e9largir les possibilit\u00e9s chirurgicales et am\u00e9liorer l'acc\u00e8s mondial aux proc\u00e9dures de restauration de la vue.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/visionshare.org\/wp-content\/uploads\/XTRA4doublevial-1-1024x1024.webp\" alt=\"Xtra4, support de stockage hypothermique\" class=\"wp-image-13943\" style=\"width:189px;height:auto\" srcset=\"https:\/\/visionshare.org\/wp-content\/uploads\/XTRA4doublevial-1-1024x1024.webp 1024w, https:\/\/visionshare.org\/wp-content\/uploads\/XTRA4doublevial-1-300x300.webp 300w, https:\/\/visionshare.org\/wp-content\/uploads\/XTRA4doublevial-1-150x150.webp 150w, https:\/\/visionshare.org\/wp-content\/uploads\/XTRA4doublevial-1-768x768.webp 768w, https:\/\/visionshare.org\/wp-content\/uploads\/XTRA4doublevial-1-1536x1536.webp 1536w, https:\/\/visionshare.org\/wp-content\/uploads\/XTRA4doublevial-1-2048x2048.webp 2048w, https:\/\/visionshare.org\/wp-content\/uploads\/XTRA4doublevial-1-12x12.webp 12w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>Comme l'a fait remarquer Elisa Valguarnera, chef de produit chez Moria, la collaboration avec les banques ophtalmologiques du monde entier a \u00e9t\u00e9 d\u00e9terminante pour la mise sur le march\u00e9 de l'XTRA4. <em>\"Nous tenons \u00e0 remercier VisionGift, Eversight, la banque d'yeux de Venise (Italie) et les autres banques d'yeux pour leur partenariat. Ils ont tous jou\u00e9 un r\u00f4le important en nous aidant \u00e0 mettre ce produit sur le march\u00e9, renfor\u00e7ant ainsi le r\u00f4le de Moria en tant que partenaire du Cornea Journey.\"<\/em><\/p>\n\n\n\n<p>Cet esprit de partenariat va de pair avec le d\u00e9sir de Vision Share de mettre en relation les chirurgiens, les chercheurs et les banques d'yeux afin que chaque don de tissu ait le plus grand impact possible. XTRA4 marque une \u00e9tape importante dans la pr\u00e9servation de la corn\u00e9e, en r\u00e9duisant les contraintes de temps et en \u00e9largissant les possibilit\u00e9s de restauration de la vue dans le monde entier.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00c0 propos de Moria et de XTRA4<\/strong><\/h2>\n\n\n\n<p>Fond\u00e9e en France en 1820, Moria est l'une des entreprises les plus reconnues pour son savoir-faire dans la fabrication d'instruments de microchirurgie ophtalmique, d'\u00e9quipements pour la chirurgie r\u00e9fractive et la chirurgie de transplantation.<\/p>\n\n\n\n<p>Moria a command\u00e9 un livre blanc r\u00e9sumant les r\u00e9sultats des \u00e9tudes d'\u00e9valuation. Pour en demander un exemplaire, veuillez contacter&nbsp;<a href=\"mailto:Moria@moria-int.com\">Moria@moria-int.com<\/a>.  XTRA4 sera disponible \u00e0 la commande aux \u00c9tats-Unis \u00e0 partir de la mi-octobre 2025. Pour plus d'informations sur la disponibilit\u00e9, veuillez contacter Doug Cubic \u00e0 l'adresse suivante&nbsp;<a href=\"mailto:doug@moriausa.com\">doug@moriausa.com<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00c0 propos de Vision Share<\/strong><\/h2>\n\n\n\n<p>Vision Share est une organisation \u00e0 but non lucratif (501(c)(3)) et repr\u00e9sente fi\u00e8rement le plus grand r\u00e9seau de banques oculaires au monde. Chaque banque oculaire membre est certifi\u00e9e par l'Eye Bank Association of America (EBAA) et enregistr\u00e9e aupr\u00e8s de la Food and Drug Administration (FDA). Guid\u00e9e par une vision commune, Vision Share met en commun ses ressources pour fournir aux chirurgiens des tissus oculaires fiables, de haute qualit\u00e9 et adapt\u00e9s \u00e0 leurs besoins sp\u00e9cifiques. Le r\u00e9seau Vision Share a fourni plus de 141 000 corn\u00e9es dans le monde entier, transformant des vies et restaurant la vue.<\/p>","protected":false},"excerpt":{"rendered":"<p>Chez Vision Share, nous nous engageons \u00e0 mettre en lumi\u00e8re les innovations qui soutiennent la restauration de la vue dans le monde. Aujourd'hui, nous mettons en lumi\u00e8re le XTRA4 de Moria Surgical, une nouvelle g\u00e9n\u00e9ration de ... <a title=\"Extension de la fen\u00eatre de vision : comment XTRA4 pourrait transformer la transplantation de corn\u00e9e\" class=\"read-more\" href=\"https:\/\/visionshare.org\/fr\/xtra4-corneal-transplant-innovation\/\" aria-label=\"En savoir plus sur Extending the Window of Sight : How XTRA4 Could Transform Corneal Transplantation\">Lire plus<\/a><\/p>","protected":false},"author":1,"featured_media":13942,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[115],"tags":[],"class_list":["post-13940","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-corneal-transplant-innovation","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Extending the Window of Sight: How XTRA4 Could Transform Corneal Transplantation - Vision Share<\/title>\n<meta name=\"description\" content=\"Discover how XTRA4 Could Transform Corneal Transplantation. 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