{"id":5786,"date":"2023-12-01T10:23:15","date_gmt":"2023-12-01T02:23:15","guid":{"rendered":"https:\/\/am-material.com\/?p=5786"},"modified":"2024-03-21T14:52:39","modified_gmt":"2024-03-21T06:52:39","slug":"hip-metal-powders-20231201","status":"publish","type":"post","link":"https:\/\/am-material.com\/fr\/news\/hip-metal-powders-20231201\/","title":{"rendered":"poudres m\u00e9talliques de hanche"},"content":{"rendered":"<p><a href=\"https:\/\/am-material.com\/fr\/5-best-high-entropy-alloy-powders\/\">poudres m\u00e9talliques de hanche<\/a> font r\u00e9f\u00e9rence \u00e0 des poudres sph\u00e9riques sp\u00e9cialis\u00e9es utilis\u00e9es dans les technologies \u00e9mergentes de fabrication additive de m\u00e9taux pour les implants et les proth\u00e8ses de la hanche. Ce guide couvre les alliages courants, les propri\u00e9t\u00e9s, les applications, les sp\u00e9cifications et les fournisseurs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Aper\u00e7u des poudres m\u00e9talliques pour hanche<\/strong><\/h2>\n\n\n\n<p>\u00c9galement appel\u00e9s poudres pour arthroplastie de la hanche, ces mat\u00e9riaux avanc\u00e9s permettent d'imprimer en 3D des composants de remplacement de l'articulation de la hanche sp\u00e9cifiques au patient, pr\u00e9sentant des g\u00e9om\u00e9tries complexes et des performances m\u00e9caniques sup\u00e9rieures \u00e0 celles des implants traditionnels.<\/p>\n\n\n\n<p>Les principales caract\u00e9ristiques des poudres m\u00e9talliques pour hanches sont les suivantes<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Propri\u00e9t\u00e9s<\/strong><\/th><th><strong>Caract\u00e9ristiques<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Alliages<\/td><td>Titane, chrome cobalt, acier inoxydable<\/td><\/tr><tr><td>Forme des particules<\/td><td>Tr\u00e8s sph\u00e9rique<\/td><\/tr><tr><td>R\u00e9partition par taille<\/td><td>15-45 microns typiques<\/td><\/tr><tr><td>Densit\u00e9<\/td><td>Optimis\u00e9 pour l'\u00e9talement et l'emballage<\/td><\/tr><tr><td>Caract\u00e9ristiques principales<\/td><td>Biocompatible, haute r\u00e9sistance, r\u00e9sistant \u00e0 la corrosion, performance in vivo prouv\u00e9e<\/td><\/tr><tr><td>Processus de fabrication<\/td><td>Fabrication additive &amp;#8211 ; Jet de liant, DED, PBF<\/td><\/tr><tr><td>Applications<\/td><td>Cotyles de hanche, tiges, rev\u00eatements ac\u00e9tabulaires et coquilles<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Les poudres de hanche continuent de progresser pour am\u00e9liorer les performances, la long\u00e9vit\u00e9 et la biocompatibilit\u00e9 des implants orthop\u00e9diques imprim\u00e9s en 3D.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Types d'alliages<\/strong><\/h2>\n\n\n\n<p>Les poudres m\u00e9talliques courantes pour les hanches sont les suivantes<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>alliage<\/strong><\/th><th><strong>Composition<\/strong><\/th><th><strong>Propri\u00e9t\u00e9s<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Titane Ti64<\/td><td>Titane, aluminium, vanadium<\/td><td>Rapport r\u00e9sistance\/poids \u00e9lev\u00e9, bio-inertie<\/td><\/tr><tr><td>Chrome cobalt<\/td><td>Cobalt, chrome, molybd\u00e8ne<\/td><td>R\u00e9sistance \u00e0 l'usure, R\u00e9sistance \u00e0 la corrosion<\/td><\/tr><tr><td>acier inoxydable<\/td><td>Fer, chrome, nickel, molybd\u00e8ne<\/td><td>Rapport co\u00fbt-efficacit\u00e9, Possibilit\u00e9 de traitement<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Alliages \u00e9mergents<\/strong><\/p>\n\n\n\n<p>De nouveaux alliages comme le TMZF\u00ae titane-molybd\u00e8ne-zirconium-fer adaptent les performances m\u00e9caniques et la capacit\u00e9 d'int\u00e9gration osseuse gr\u00e2ce \u00e0 la fusion s\u00e9lective par laser.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Propri\u00e9t\u00e9s m\u00e9caniques<\/strong><\/h2>\n\n\n\n<p>Les poudres m\u00e9talliques Hip permettent d'obtenir les propri\u00e9t\u00e9s ASTM suivantes lors de la fabrication additive :<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Propri\u00e9t\u00e9<\/strong><\/th><th><strong>Valeurs communes<\/strong><\/th><\/tr><\/thead><tbody><tr><td>R\u00e9sistance \u00e0 la traction<\/td><td>750-1300 MPa<\/td><\/tr><tr><td>Limite d'\u00e9lasticit\u00e9<\/td><td>450-1150 MPa<\/td><\/tr><tr><td>Allongement \u00e0 la rupture<\/td><td>8-25%<\/td><\/tr><tr><td>Duret\u00e9<\/td><td>280-550 HV<\/td><\/tr><tr><td>Rugosit\u00e9 de la surface (Ra)<\/td><td>Optimis\u00e9 pour la croissance osseuse<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Les performances m\u00e9caniques d\u00e9pendent de param\u00e8tres tels que l'\u00e9paisseur de la couche, la puissance du laser, la vitesse de balayage, etc. pendant l'impression AM.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"710\" height=\"426\" src=\"https:\/\/am-material.com\/wp-content\/uploads\/2022\/09\/tungsten-powder.jpg\" alt=\"poudres m\u00e9talliques de hanche\" class=\"wp-image-4386\" title=\"\" srcset=\"https:\/\/am-material.com\/wp-content\/uploads\/2022\/09\/tungsten-powder.jpg 710w, https:\/\/am-material.com\/wp-content\/uploads\/2022\/09\/tungsten-powder-300x180.jpg 300w, https:\/\/am-material.com\/wp-content\/uploads\/2022\/09\/tungsten-powder-18x12.jpg 18w\" sizes=\"(max-width: 710px) 100vw, 710px\" \/><figcaption><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Applications<\/strong><\/h2>\n\n\n\n<p>Les utilisations typiques des poudres de m\u00e9taux de la hanche sont les suivantes :<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Composant<\/strong><\/th><th><strong>D\u00e9tails<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Coupes de hanche<\/td><td>Composant ac\u00e9tabulaire de forme h\u00e9misph\u00e9rique avec surface textur\u00e9e pour l'int\u00e9gration osseuse<\/td><\/tr><tr><td>Tiges f\u00e9morales<\/td><td>S'\u00e9tendant dans le f\u00e9mur, fix\u00e9 au composant du cotyle de la hanche<\/td><\/tr><tr><td>Doublures et coquilles<\/td><td>La doublure offre une surface d'articulation ultra-l\u00e9g\u00e8re, fix\u00e9e dans la coque ext\u00e9rieure.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Avantages<\/strong><\/p>\n\n\n\n<p>Les composants en poudre de la hanche adapt\u00e9s aux besoins du client am\u00e9liorent la long\u00e9vit\u00e9 et retardent\/\u00e9vitent les op\u00e9rations de remplacement gr\u00e2ce \u00e0 l'optimisation :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fixation et croissance de l'os<\/li>\n\n\n\n<li>Faible production de d\u00e9bris d'usure<\/li>\n\n\n\n<li>\u00c9limination des faiblesses de l'interface du ciment<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Sp\u00e9cifications<\/strong><\/h2>\n\n\n\n<p><a href=\"https:\/\/am-material.com\/fr\/5-best-high-entropy-alloy-powders\/\">poudres m\u00e9talliques de hanche<\/a> doit satisfaire aux sp\u00e9cifications minimales suivantes, conform\u00e9ment aux normes ISO et ASTM :<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Attribut<\/strong><\/th><th><strong>Limites des sp\u00e9cifications<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Composition des alliages<\/td><td>Selon les sp\u00e9cifications du grade (AMS\/UNS)<\/td><\/tr><tr><td>Taille des particules<\/td><td>10-45 microns<\/td><\/tr><tr><td>Densit\u00e9 apparente<\/td><td>\u2265 80 % de l'alliage<\/td><\/tr><tr><td>D\u00e9bit<\/td><td>25-50 s\/50g<\/td><\/tr><tr><td>Sph\u00e9ricit\u00e9<\/td><td>\u2265 0,9 pr\u00e9f\u00e9r\u00e9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Les poudres sp\u00e9ciales pour hanches vont encore plus loin en optimisant la forme des particules, leur structure interne et la chimie de leur surface pour un \u00e9talement, un tassement et un frittage parfaits lors de l'impression.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Suppliers<\/strong><\/h2>\n\n\n\n<p>Les principaux fournisseurs mondiaux de poudres m\u00e9talliques pour les hanches sont les suivants<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Fournisseur<\/strong><\/th><th><strong>Notes communes<\/strong><\/th><th><strong>Estimation du prix<\/strong><\/th><\/tr><\/thead><tbody><tr><td>AP&amp;C<\/td><td>Ti64, CoCr, Acier<\/td><td>500-1500 $\/kg<\/td><\/tr><tr><td>Additif pour charpentier<\/td><td>Ti64, CoCrMo<\/td><td>800-2000 $\/kg<\/td><\/tr><tr><td>Praxair<\/td><td>Ti64, CoCr, SS316L<\/td><td>600-1800 $\/kg<\/td><\/tr><tr><td>Sandvik Osprey<\/td><td>Ti6AL4V ELI, CoCr ASTM F75<\/td><td>750-2500 $\/kg<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Les prix varient en fonction des quantit\u00e9s command\u00e9es, des sp\u00e9cifications de la poudre et de l'alliage choisi. Certaines poudres personnalis\u00e9es pour l'AM co\u00fbtent plus de 3 000 \u00e0 5 000 dollars par kilogramme.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Avantages et inconv\u00e9nients<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Pour<\/strong><\/th><th><strong>Cons<\/strong><\/th><\/tr><\/thead><tbody><tr><td>G\u00e9om\u00e9tries complexes et personnalis\u00e9es<\/td><td>Co\u00fbts de mat\u00e9riel actuellement \u00e9lev\u00e9s<\/td><\/tr><tr><td>Propri\u00e9t\u00e9s m\u00e9caniques optimis\u00e9es<\/td><td>Donn\u00e9es cliniques limit\u00e9es \u00e0 long terme<\/td><\/tr><tr><td>Permet de nouvelles structures poreuses<\/td><td>Couverture limit\u00e9e des options \u00e9mergentes par les payeurs<\/td><\/tr><tr><td>Simplifie les r\u00e9visions d'implants d\u00e9fectueux<\/td><td>\u00c9tapes de post-traitement n\u00e9cessaires<\/td><\/tr><tr><td>Rationalisation de la logistique chirurgicale<\/td><td>Incertitude sur les modalit\u00e9s de remboursement<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Principaux enseignements<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les principaux fabricants de m\u00e9taux proposent d\u00e9sormais des poudres de hanche optimis\u00e9es pour le jet de liant et l'impression au laser.<\/li>\n\n\n\n<li>De nouveaux alliages et de nouvelles architectures am\u00e9liorent les performances des implants traditionnels<\/li>\n\n\n\n<li>Les preuves cliniques continuent de s'accumuler en ce qui concerne la s\u00e9curit\u00e9 et l'efficacit\u00e9<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>FAQ<\/strong><\/h2>\n\n\n\n<p><strong>Q : Combien d'implants orthop\u00e9diques utilisent l'impression 3D m\u00e9tallique aujourd'hui ?<\/strong><\/p>\n\n\n\n<p>R : On estime que 4 \u00e0 5 % de tous les dispositifs orthop\u00e9diques tels que les implants de la hanche, du genou et de la colonne vert\u00e9brale sont actuellement fabriqu\u00e9s de mani\u00e8re additive \u00e0 partir de poudres m\u00e9talliques de premi\u00e8re qualit\u00e9. Mais on s'attend \u00e0 ce que l'adoption de cette technologie augmente de fa\u00e7on exponentielle.<\/p>\n\n\n\n<p><strong>Q : La corrosion des m\u00e9taux ou les ions provenant des implants imprim\u00e9s suscitent-ils des inqui\u00e9tudes ?<\/strong><\/p>\n\n\n\n<p>R : Tous les implants m\u00e9talliques pr\u00e9sentent un risque de corrosion et de d\u00e9bris, mais les progr\u00e8s r\u00e9alis\u00e9s dans le domaine des alliages, des contr\u00f4les de fabrication et des traitements de surface permettent aujourd'hui de minimiser les risques et de les rendre comparables \u00e0 ceux des implants conventionnels \u00e0 base de moulage ou de forgeage.<\/p>\n\n\n\n<p><strong>Q : Comment la pand\u00e9mie a-t-elle perturb\u00e9 l'acc\u00e8s aux proc\u00e9dures de remplacement des articulations, y compris les options imprim\u00e9es en m\u00e9tal ?<\/strong><\/p>\n\n\n\n<p>R : Les suspensions temporaires des proc\u00e9dures non urgentes ont consid\u00e9rablement limit\u00e9 les remplacements de la hanche et du genou. Mais l'acc\u00e8s est en train de rebondir et les chirurgiens sont de plus en plus conscients des avantages des approches imprim\u00e9es en 3D.<\/p>\n\n\n\n<p><strong>Q : Les implants imprim\u00e9s en 3D r\u00e9duiront-ils les co\u00fbts par rapport aux proth\u00e8ses de hanche traditionnelles ?<\/strong><\/p>\n\n\n\n<p>R : Actuellement, les implants imprim\u00e9s sont plus chers que les implants g\u00e9n\u00e9riques, mais ils permettent une tarification bas\u00e9e sur la valeur, compte tenu des avantages en termes de performances cliniques. En cas d'adoption plus large, les \u00e9conomies d'\u00e9chelle de fabrication pourraient am\u00e9liorer le rapport co\u00fbt-efficacit\u00e9.<\/p>\n\n\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/3D_printing_processes\" target=\"_blank\" rel=\"noreferrer noopener\">en savoir plus sur les proc\u00e9d\u00e9s d'impression 3D<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Hip metal powders refer to specialized spherical powders used in emerging metal additive manufacturing technologies for hip implants and prostheses. This guide covers common alloys, properties, applications, specifications and suppliers. Overview of Hip Metal Powders Also called hip arthroplasty powders, these advanced materials enable 3D printing of patient-specific hip joint replacement components with complex geometries [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"post_folder":[],"class_list":["post-5786","post","type-post","status-publish","format-standard","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/posts\/5786","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/comments?post=5786"}],"version-history":[{"count":2,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/posts\/5786\/revisions"}],"predecessor-version":[{"id":7047,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/posts\/5786\/revisions\/7047"}],"wp:attachment":[{"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/media?parent=5786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/categories?post=5786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/tags?post=5786"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/post_folder?post=5786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}