{"id":767,"date":"2024-02-04T13:07:15","date_gmt":"2024-02-04T05:07:15","guid":{"rendered":"https:\/\/www.joyforce.com\/?p=767"},"modified":"2024-02-05T13:48:35","modified_gmt":"2024-02-05T05:48:35","slug":"medical-applications-of-pva","status":"publish","type":"post","link":"https:\/\/www.joyforce.com\/fr\/blogs\/medical-applications-of-pva.html","title":{"rendered":"Applications m\u00e9dicales du PVA"},"content":{"rendered":"

L'hydrogel PVA pr\u00e9sente les caract\u00e9ristiques suivantes : teneur en eau, module d'\u00e9lasticit\u00e9, faible coefficient de frottement, r\u00e9sistance m\u00e9canique \u00e9lev\u00e9e, structure de r\u00e9seau de fuite riche en pores et bonne biocompatibilit\u00e9 similaire aux tissus naturels du corps humain. Large \u00e9ventail d'applications. Il peut \u00eatre utilis\u00e9 pour fabriquer des cartilages artificiels, des corn\u00e9es artificielles, des vitres artificielles, etc. L'hydrogel d'alcool polyvinylique est largement utilis\u00e9 en ophtalmologie et peut servir \u00e0 fabriquer des verres de contact souples. En raison de sa solubilit\u00e9 dans l'eau, il peut \u00eatre transform\u00e9 en capsules de m\u00e9dicaments \u00e0 lib\u00e9ration prolong\u00e9e. Un nouveau type d'\u00e9ponge m\u00e9dicale non fibreuse fabriqu\u00e9e en introduisant des cha\u00eenes lat\u00e9rales de polyacrylate de sodium dans les macromol\u00e9cules de PVA est appel\u00e9 \u00e9ponge d'alcool polyvinylique ionis\u00e9 (\u00e9ponge i-PVA). Elle pr\u00e9sente une bonne biocompatibilit\u00e9 et des propri\u00e9t\u00e9s chimiques stables, ainsi que d'excellentes propri\u00e9t\u00e9s. L'\u00e9ponge i-PVA peut \u00eatre utilis\u00e9e efficacement dans des op\u00e9rations m\u00e9dicales telles que la microchirurgie et la chirurgie oculaire qui exigent strictement qu'il n'y ait pas de perte de fibres, en particulier dans la chirurgie de la cataracte et du remplacement de la lentille intraoculaire.<\/p>\n

\"\"<\/p>","protected":false},"excerpt":{"rendered":"

L'hydrogel PVA pr\u00e9sente les caract\u00e9ristiques suivantes : teneur en eau, module d'\u00e9lasticit\u00e9, faible coefficient de frottement, r\u00e9sistance m\u00e9canique \u00e9lev\u00e9e, structure de r\u00e9seau de fuite riche en pores et bonne biocompatibilit\u00e9 similaire aux tissus naturels du corps humain. Large \u00e9ventail d'applications. Il peut \u00eatre utilis\u00e9 pour fabriquer des cartilages artificiels, des corn\u00e9es artificielles, des vitres artificielles, etc. L'hydrogel d'alcool polyvinylique est largement [...]<\/p>","protected":false},"author":1,"featured_media":768,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[43],"tags":[],"class_list":["post-767","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"acf":[],"yoast_head":"\nMedical applications of PVA - JOYFORCE INDUSTRIAL<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.joyforce.com\/fr\/blogs\/medical-applications-of-pva.html\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Medical applications of PVA - JOYFORCE INDUSTRIAL\" \/>\n<meta property=\"og:description\" content=\"PVA hydrogel has the characteristics of water content, elastic modulus, low friction coefficient, high mechanical strength, rich pore leakage network structure, and good biocompatibility similar to the natural tissues of the human body. 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