{"id":10690,"date":"2015-07-09T21:17:16","date_gmt":"2015-07-09T19:17:16","guid":{"rendered":"http:\/\/www.dalpasso.it\/fr\/impianti\/conformatore-orbitale-espandibile\/"},"modified":"2015-11-19T15:16:16","modified_gmt":"2015-11-19T14:16:16","slug":"conformateur-orbitaire-extensible","status":"publish","type":"page","link":"https:\/\/www.dalpasso.it\/fr\/implants\/conformateur-orbitaire-extensible\/","title":{"rendered":"Conformateur Orbitaire Extensible"},"content":{"rendered":"
[vc_row][vc_column width=\u00a0\u00bb2\/3″][vc_separator color=\u00a0\u00bbturquoise\u00a0\u00bb align=\u00a0\u00bbalign_center\u00a0\u00bb border_width=\u00a0\u00bb2″][vc_column_text]L\u2019expanseur orbitaire<\/strong>\u00a0est un implant qui s’\u00e9tend progressivement \u00e0 l’int\u00e9rieur de la cavit\u00e9 anophtalmique.
\nIl est constitu\u00e9 d’un ballon expansible et souple positionn\u00e9 par une plaque de titane ancr\u00e9e \u00e0 la paroi lat\u00e9rale de l’orbite au moyen de vis. L’implant positionn\u00e9, de type autocentrant, est progressivement rempli de solution saline st\u00e9rile au moyen d’une seringue \u00e0 travers un acc\u00e8s central afin d’exercer une pression constante contre les parois de l’orbite.
\nLe principal d\u00e9savantage de cet implant vient du fait qu’il exerce une pression constante dans toutes les directions, y compris aux endroits o\u00f9 les structures endo-orbitaires sont plus mall\u00e9ables et requi\u00e8rent en cons\u00e9quence une pression moindre.[\/vc_column_text][vc_separator color=\u00a0\u00bbturquoise\u00a0\u00bb align=\u00a0\u00bbalign_center\u00a0\u00bb style=\u00a0\u00bb\u00a0\u00bb border_width=\u00a0\u00bb2″ el_width=\u00a0\u00bb\u00a0\u00bb][vc_column_text]<\/p>\n

L\u2019expanseur tissulaire osmotique<\/strong>\u00a0(Expanseur orbitaire hydrogel) est constitu\u00e9 d’un copolym\u00e8re de m\u00e9thylm\u00e9thacrylate et N-vinylpyrrolidone semblable \u00e0 celui utilis\u00e9 dans la fabrication de lentilles de contact souples. Une modification chimique a \u00e9t\u00e9 apport\u00e9e \u00e0 ce biomat\u00e9riau innovant pour lui permettre de s’expanser jusqu’\u00e0 12 fois son volume une fois expos\u00e9 au contact de liquides.\u00a0L\u2019expansion du tissu se d\u00e9roule passivement selon un niveau de pression constante d’environ 20 \u00e0 30 mm\/Hg (le dispositif absorbe le fluide de l’espace tissulaire qui l’entoure). La vitesse et le temps d’expansion d\u00e9pendent du taux d’humidit\u00e9 disponible et de la contre-pression des tissus alentour.<\/p>\n

[\/vc_column_text][vc_separator color=\u00a0\u00bbturquoise\u00a0\u00bb align=\u00a0\u00bbalign_center\u00a0\u00bb style=\u00a0\u00bb\u00a0\u00bb border_width=\u00a0\u00bb2″ el_width=\u00a0\u00bb\u00a0\u00bb][vc_column_text]L\u2019expanseur m\u00e9canique<\/strong>\u00a0est un conformateur en PMMA dot\u00e9 d’une vis orthodontique permettant d’enregistrer la tension exerc\u00e9e sur les fornix.
\nLe principal d\u00e9savantage de cet implant est le faible impact de l’action m\u00e9canique sur les fornix, cette action se trouvant au contraire essentiellement r\u00e9partie sur les structures osseuses orbitaires, jusqu’\u00e0 entra\u00eener, dans certains cas, des ph\u00e9nom\u00e8nes d\u00e9formateurs de l’orbite.[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/3″][vc_column_text]<\/p>\n

\"Espansore<\/a><\/p>\n

[\/vc_column_text][vc_column_text]<\/p>\n

\"Orbital<\/a><\/p>\n

[\/vc_column_text][vc_column_text]<\/p>\n

\"Hydrogel<\/a><\/p>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n

[\/vc_column_text][\/vc_column][\/vc_row]<\/div>","protected":false},"excerpt":{"rendered":"

[vc_row][vc_column width=\u00a0\u00bb2\/3″][vc_separator color=\u00a0\u00bbturquoise\u00a0\u00bb align=\u00a0\u00bbalign_center\u00a0\u00bb border_width=\u00a0\u00bb2″][vc_column_text]L\u2019expanseur orbitaire\u00a0est un implant qui s’\u00e9tend progressivement \u00e0 l’int\u00e9rieur de la cavit\u00e9 anophtalmique. Il est constitu\u00e9 d’un ballon expansible et souple positionn\u00e9 par une plaque de titane ancr\u00e9e \u00e0 la paroi lat\u00e9rale de l’orbite au moyen de vis. L’implant positionn\u00e9, de type autocentrant, est progressivement rempli de solution saline st\u00e9rile au […]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":10680,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10690","page","type-page","status-publish","hentry"],"yoast_head":"\nConformateur Orbitaire Extensible | Dalpasso protesi oculari<\/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.dalpasso.it\/fr\/implants\/conformateur-orbitaire-extensible\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Conformateur Orbitaire Extensible | Dalpasso protesi oculari\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column width=\u00a0\u00bb2\/3″][vc_separator color=\u00a0\u00bbturquoise\u00a0\u00bb align=\u00a0\u00bbalign_center\u00a0\u00bb border_width=\u00a0\u00bb2″][vc_column_text]L\u2019expanseur orbitaire\u00a0est un implant qui s’\u00e9tend progressivement \u00e0 l’int\u00e9rieur de la cavit\u00e9 anophtalmique. 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