{"id":113980,"date":"2024-11-18T12:29:31","date_gmt":"2024-11-18T11:29:31","guid":{"rendered":"https:\/\/step-lab.com\/?page_id=113980"},"modified":"2024-11-18T12:29:31","modified_gmt":"2024-11-18T11:29:31","slug":"astm-f1717","status":"publish","type":"page","link":"https:\/\/step-lab.com\/de\/astm\/astm-f1717\/","title":{"rendered":"ASTM F1717"},"content":{"rendered":"<\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-188zaf1-025aa8f0fc6b97c81b0d9509fbd8acf9\">\n.avia-section.av-188zaf1-025aa8f0fc6b97c81b0d9509fbd8acf9{\nbackground-repeat:no-repeat;\nbackground-image:url(https:\/\/step-lab.com\/wp-content\/uploads\/2023\/11\/background-for-standards.jpg);\nbackground-position:0% 0%;\nbackground-attachment:scroll;\n}\n.avia-section.av-188zaf1-025aa8f0fc6b97c81b0d9509fbd8acf9 .av-section-color-overlay{\nopacity:0.4;\nbackground-color:#0a0a0a;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-188zaf1-025aa8f0fc6b97c81b0d9509fbd8acf9 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class='av_textblock_section av-lp13y1n9-c4766d5d9a214d019a3b8ad78eae5ba3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h1 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"ASTM_F1717\"><\/span>ASTM F1717<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mvr8u5-56fde4b1348f244539985c342761cdf4\">\n#top .hr.hr-invisible.av-mvr8u5-56fde4b1348f244539985c342761cdf4{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-mvr8u5-56fde4b1348f244539985c342761cdf4 hr-invisible  avia-builder-el-2  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lp13ybw2-12fa0d5871d45d46a8b38b70b055a245\">\n#top .av_textblock_section.av-lp13ybw2-12fa0d5871d45d46a8b38b70b055a245 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-lp13ybw2-12fa0d5871d45d46a8b38b70b055a245 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Standardtestverfahren_fuer_Wirbelsaeulenimplantate_in_einem_Vertebrektomiemodell\"><\/span>Standardtestverfahren f\u00fcr Wirbels\u00e4ulenimplantate<br \/>\nin einem Vertebrektomiemodell<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div><\/section>\n\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><\/div><div id='av_section_2'  class='avia-section av-1gnwkim1-b2b62b35a945794c60668458f569c99b main_color avia-section-default avia-no-border-styling  avia-builder-el-4  el_after_av_section  el_before_av_one_fifth  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-113980'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-4wj36t5-add2d18c09eff7a4dc20c0cb2fe72022 av_one_fifth  avia-builder-el-5  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-1868v455-7de514edace6091aa4d231a14d0f9d1e av_three_fifth  avia-builder-el-6  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lhhg43h5-bab404eb3fc2bd36a4ed6dbb07f0661f\">\n#top .av_textblock_section.av-lhhg43h5-bab404eb3fc2bd36a4ed6dbb07f0661f .avia_textblock{\nfont-size:18px;\n}\n<\/style>\n<section  class='av_textblock_section av-lhhg43h5-bab404eb3fc2bd36a4ed6dbb07f0661f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Pr\u00fcfmaschinen spielen eine entscheidende Rolle bei der Gew\u00e4hrleistung der Qualit\u00e4t und Sicherheit von medizinischen Ger\u00e4ten und Komponenten. Eine der wichtigsten Normen f\u00fcr diese Bewertung ist <strong>ASTM F1717<\/strong>, die Richtlinien f\u00fcr statische und Erm\u00fcdungspr\u00fcfungen von Wirbels\u00e4ulenimplantaten enth\u00e4lt. Die Einhaltung der ASTM F1717 gew\u00e4hrleistet, dass Wirbels\u00e4ulenimplantate strenge mechanische Anforderungen erf\u00fcllen, was zu ihrer Wirksamkeit und Zuverl\u00e4ssigkeit im klinischen Einsatz beitr\u00e4gt.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">PAGE CONTENT<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #a81010;color:#a81010\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #a81010;color:#a81010\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/step-lab.com\/de\/astm\/astm-f1717\/#ASTM_F1717\" >ASTM F1717<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/step-lab.com\/de\/astm\/astm-f1717\/#Standardtestverfahren_fuer_Wirbelsaeulenimplantate_in_einem_Vertebrektomiemodell\" >Standardtestverfahren f\u00fcr Wirbels\u00e4ulenimplantate \nin einem Vertebrektomiemodell<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/step-lab.com\/de\/astm\/astm-f1717\/#ASTM_F1717_WAS_IST_DAS\" >ASTM F1717: WAS IST DAS?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/step-lab.com\/de\/astm\/astm-f1717\/#ASTM_F1717_WAS_WIRD_DAMIT_GEMESSEN\" >ASTM F1717: WAS WIRD DAMIT GEMESSEN?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/step-lab.com\/de\/astm\/astm-f1717\/#ASTM_F1717_PRUeFBEDINGUNGEN\" >ASTM F1717: PR\u00dcFBEDINGUNGEN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/step-lab.com\/de\/astm\/astm-f1717\/#ASTM_F1717_PRUeFUNGSARTEN\" >ASTM F1717: PR\u00dcFUNGSARTEN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/step-lab.com\/de\/astm\/astm-f1717\/#PRUeFMASCHINEN_FUeR_ASTM_F1717\" >PR\u00dcFMASCHINEN F\u00dcR ASTM F1717<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-luv221j8-0d197ab45b326e852363ee0d0dee5501\">\n#top .hr.hr-invisible.av-luv221j8-0d197ab45b326e852363ee0d0dee5501{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-luv221j8-0d197ab45b326e852363ee0d0dee5501 hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-luv2267g-1f7ab9f2ff419cf6f01a65d5570cb5b0\">\n#top .av_textblock_section.av-luv2267g-1f7ab9f2ff419cf6f01a65d5570cb5b0 .avia_textblock{\nfont-size:18px;\n}\n<\/style>\n<section  class='av_textblock_section av-luv2267g-1f7ab9f2ff419cf6f01a65d5570cb5b0 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><span class=\"ez-toc-section\" id=\"ASTM_F1717_WAS_IST_DAS\"><\/span>ASTM F1717: WAS IST DAS?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Die <strong>ASTM F1717<\/strong> umfasst eine Reihe von Pr\u00fcfnormen, die entwickelt wurden, um <strong>spezifische Methoden f\u00fcr die Pr\u00fcfung von Wirbels\u00e4ulenimplantaten sowohl statisch als auch unter Erm\u00fcdungsbedingungen im Rahmen eines Vertebrektomiemodells zu definieren.<\/strong> Diese Normen sind f\u00fcr die Bewertung der mechanischen Leistung von Wirbels\u00e4ulenimplantaten unerl\u00e4sslich und erm\u00f6glichen den Vergleich zwischen verschiedenen Konfigurationen und Anwendungen sowie unterschiedlichen Designs. Im Wesentlichen bieten sie Leitlinien f\u00fcr die Bewertung der Leistung von Wirbels\u00e4ulenimplantaten in verschiedenen anatomischen Kontexten und bei unterschiedlichen Methoden der Anwendung an der Wirbels\u00e4ule.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ASTM_F1717_WAS_WIRD_DAMIT_GEMESSEN\"><\/span>ASTM F1717: WAS WIRD DAMIT GEMESSEN?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Die ASTM F1717-Normen konzentrieren sich auf die <strong>Bewertung der statischen und dynamischen mechanischen Eigenschaften von Wirbels\u00e4ulenimplantaten. <\/strong> Die zugeh\u00f6rigen mechanischen Tests werden in vitro durchgef\u00fchrt, wobei vereinfachte Belastungsschemata verwendet werden, die zwar nicht in der Lage sind, die komplexen Belastungen, die in vivo auf die Wirbels\u00e4ule einwirken, genau nachzubilden, aber dennoch den Vergleich verschiedener Wirbels\u00e4ulenimplantatkonfigurationen im Hinblick auf die relevanten mechanischen Parameter erm\u00f6glichen.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ASTM_F1717_PRUeFBEDINGUNGEN\"><\/span>ASTM F1717: PR\u00dcFBEDINGUNGEN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>In der Regel werden <strong> sechs Probek\u00f6rper<\/strong> getestet, wobei zwei UHMWPE-Bl\u00f6cke f\u00fcr die Implantatfixierung verwendet werden. Die dynamische Belastung wird mit einer <strong>Frequenz von 5 Hz<\/strong> und <strong>bis zu 5 Millionen Zyklen durchgef\u00fchrt.<\/strong> Die regelm\u00e4\u00dfigen Tests werden an der Luft bei <strong>Raumtemperatur <\/strong> durchgef\u00fchrt. <br \/> Wenn das Implantatmaterial jedoch Testaufbauten erfordert, die die Umgebungsbedingungen des K\u00f6rpers bei 37\u00b0C in Kochsalzl\u00f6sung simulieren, werden diese Bedingungen ber\u00fccksichtigt.<\/p>\n<p>In der Norm werden vier Pr\u00fcfverfahren beschrieben: statische und dynamische axiale Druckbiegung, statische Zugbiegung und statische Torsion. Es ist sowohl f\u00fcr das lumbale als auch f\u00fcr das zervikale System geeignet.<\/p>\n<\/div><\/section><\/p><\/div><div  class='flex_column av-147i6tx5-c041fd231a4e04ab6f1d0e907ce115b5 av_one_fifth flex_column_div  '     ><\/div><div  class='flex_column av-z3c3pbt-ae1a16c373e6a6893e8dce99f9d3514b av_one_fourth first flex_column_div  '     ><\/div><div  class='flex_column av-w2hy189-870f4649560c79b20abf73b8fe2e24b2 av_one_fourth flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lutvrbu1-bdbc6a3e95ceba1d8bc5ac86811f7818\">\n.avia-image-container.av-lutvrbu1-bdbc6a3e95ceba1d8bc5ac86811f7818 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-lutvrbu1-bdbc6a3e95ceba1d8bc5ac86811f7818 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-lutvrbu1-bdbc6a3e95ceba1d8bc5ac86811f7818 av-styling- avia-align-center'   itemprop=\"image\" itemscope=\"itemscope\" 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height=\"300\" width=\"216\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2024\/04\/astm-f1717-test-216x300.jpg 216w, https:\/\/step-lab.com\/wp-content\/uploads\/2024\/04\/astm-f1717-test.jpg 384w\" sizes=\"(max-width: 216px) 100vw, 216px\" \/><\/div><\/div><\/div><\/div><div  class='flex_column av-56hi5pf-c338b9d6f76e3101c4406cdcb548e0ac av_one_fourth flex_column_div  '     ><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lucf3ozx-3723460a3af32428ee21a96b2af6cbf3\">\n#top .hr.hr-invisible.av-lucf3ozx-3723460a3af32428ee21a96b2af6cbf3{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-lucf3ozx-3723460a3af32428ee21a96b2af6cbf3 hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<div  class='flex_column av-lscvj3t-abcc1142c9dc5d0601ff50e837ea95e1 av_one_fifth first flex_column_div  '     ><\/div><div  class='flex_column av-ej1d9h5-22343c69ea967d7bd661103c1d9a4d5d av_three_fifth flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lucf02lq-d2ee6962929a31d20654db5cb3d8b0a3\">\n#top .av_textblock_section.av-lucf02lq-d2ee6962929a31d20654db5cb3d8b0a3 .avia_textblock{\nfont-size:18px;\n}\n<\/style>\n<section  class='av_textblock_section av-lucf02lq-d2ee6962929a31d20654db5cb3d8b0a3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><span class=\"ez-toc-section\" id=\"ASTM_F1717_PRUeFUNGSARTEN\"><\/span>ASTM F1717: PR\u00dcFUNGSARTEN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Die Norm ASTM F1717 beschreibt vier Hauptpr\u00fcfungsarten:<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-luv1crcr-ed5867ba2f84274960a486612c20ed99\">\n#top .togglecontainer.av-luv1crcr-ed5867ba2f84274960a486612c20ed99 p.toggler{\nfont-size:16px;\n}\n<\/style>\n<div  class='togglecontainer av-luv1crcr-ed5867ba2f84274960a486612c20ed99 av-minimal-toggle toggle_close_all' >\n<section class='av_toggle_section av-luv1bewx-713cd54b0835165125b5f92f94a2653a'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{Alle} \"  ><p id='toggle-toggle-id-5' data-fake-id='#toggle-id-5' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-5' data-slide-speed=\"200\" data-title=\"Biegeversuch auf Druck\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Biegeversuch auf Druck\" data-aria_expanded=\"Click to collapse: Biegeversuch auf Druck\">Biegeversuch auf Druck<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-5' aria-labelledby='toggle-toggle-id-5' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><ul>\n<li>Zweck der Pr\u00fcfung: Mit dieser Pr\u00fcfung wird die Festigkeit und Stabilit\u00e4t von Wirbels\u00e4ulenimplantaten bewertet, wenn sie Druck- und Biegebeanspruchungen ausgesetzt werden, die denen der menschlichen Wirbels\u00e4ule \u00e4hnlich sind.<\/li>\n<li>Testverfahren:\n<ul>\n<li>Vorbereitung der Probe: Bl\u00f6cke aus ultrahochmolekularem Polyethylen (UHMWPE) werden ausgew\u00e4hlt, um Wirbelk\u00f6rper zu simulieren. Die f\u00fcr den Mustereinbau erforderlichen D\u00fcbel werden gem\u00e4\u00df den Anweisungen des Herstellers vorbereitet.<\/li>\n<li>Montage des Wirbels\u00e4ulenimplantats: Das Wirbels\u00e4ulenimplantat wird unter Einhaltung der Herstellerangaben zwischen den UHMWPE-Bl\u00f6cken montiert und installiert.<\/li>\n<li>Aufbringen der Last: Die Last wird mit der in der Norm ASTM F1717 angegebenen Geschwindigkeit (normalerweise 25 mm\/min) bis zum Erreichen der Streckgrenze oder dar\u00fcber hinaus aufgebracht.<\/li>\n<\/ul>\n<\/li>\n<li>Bewertete Parameter: W\u00e4hrend des Tests werden Kraft-Weg-Kurven aufgezeichnet, um die Steifigkeit, die Strecklast und die Bruchlast des Wirbels\u00e4ulenimplantats zu bewerten.\n<ul>\n<li>Verschiebung bei 2 % Versatznachgiebigkeit (mm)<\/li>\n<li>Elastische Verformung (mm)<\/li>\n<li>Biegedruck-Streckgrenze (N)<\/li>\n<li>Biegedrucksteifigkeit (N\/mm)<\/li>\n<li>Biegedruckverschiebung (mm)<\/li>\n<li>Biegedrucktragf\u00e4higkeit (N)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-luv1bt9t-8d1b4f5ff8750132f820ca48c73bc3ec'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{Alle} \"  ><p id='toggle-toggle-id-6' data-fake-id='#toggle-id-6' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-6' data-slide-speed=\"200\" data-title=\"Zugbiegeversuch\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Zugbiegeversuch\" data-aria_expanded=\"Click to collapse: Zugbiegeversuch\">Zugbiegeversuch<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-6' aria-labelledby='toggle-toggle-id-6' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><ul>\n<li>Zweck der Pr\u00fcfung: Mit dieser Pr\u00fcfung wird die Festigkeit von Wirbels\u00e4ulenimplantaten unter Zug- und Biegebelastung bewertet, wobei die realen Einsatzbedingungen simuliert werden.<\/li>\n<li>Testverfahren:\n<ul>\n<li>Probenvorbereitung: Es werden die gleichen Verfahren zur Probenvorbereitung angewandt wie bei der Druckbiegepr\u00fcfung.<\/li>\n<li>Montage des Wirbels\u00e4ulenimplantats: Das Implantat wird zwischen den UHMWPE-Bl\u00f6cken installiert.<\/li>\n<li>Aufbringen der Last: Die Last wird gem\u00e4\u00df dem festgelegten Protokoll aufgebracht, wobei die Last-Weg-Kurven aufgezeichnet und die Festigkeitsparameter bewertet werden.<\/li>\n<li>Datenanalyse: Bewertung von Parametern, einschlie\u00dflich:\n<ul>\n<li>Verschiebung bei 2 % Versatznachgiebigkeit (mm)<\/li>\n<li>Elastische Verformung (mm)<\/li>\n<li>Biegezug-Dehnlast (N)<\/li>\n<li>Biegezugsteifigkeit (N\/mm)<\/li>\n<li>Zug-Biege-Verschiebung (mm)<\/li>\n<li>Biegezugtragf\u00e4higkeit (N)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-luv1c9k7-119a60d10fb14f2700a61bf1b06177fb'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{Alle} \"  ><p id='toggle-toggle-id-7' data-fake-id='#toggle-id-7' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-7' data-slide-speed=\"200\" data-title=\"Statische Torsionspr\u00fcfung\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Statische Torsionspr\u00fcfung\" data-aria_expanded=\"Click to collapse: Statische Torsionspr\u00fcfung\">Statische Torsionspr\u00fcfung<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-7' aria-labelledby='toggle-toggle-id-7' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><ul>\n<li>Zweck der Pr\u00fcfung: Mit dieser Pr\u00fcfung wird die F\u00e4higkeit von Wirbels\u00e4ulenimplantaten bewertet, Torsionskr\u00e4ften standzuhalten, wie sie bei Rotationsbewegungen der Wirbels\u00e4ule auftreten.<\/li>\n<li>Testverfahren:\n<ul>\n<li>Probenvorbereitung: Die Testproben werden nach den Anweisungen der Norm ASTM F1717 vorbereitet.<\/li>\n<li>Montage des Wirbels\u00e4ulenimplantats: Das Implantat wird zwischen den UHMWPE-Bl\u00f6cken installiert.<\/li>\n<li>Anwendung eines Torsionsmoments: Ein bestimmtes Torsionsmoment wird auf die Enden des Implantats ausge\u00fcbt, w\u00e4hrend die Daten zu Verformung und Widerstand aufgezeichnet werden.<\/li>\n<li>Datenerfassung: Aufzeichnung von Drehmoment-Winkel-Verschiebungskurven und Bestimmung:\n<ul>\n<li>Winkelverschiebung bei 2% Offset-Ertrag (Grad)<\/li>\n<li>Elastische Winkelverschiebung (Grad)<\/li>\n<li>Streckmoment (N-m)<\/li>\n<li>Torsionssteifigkeit (N-m\/Grad)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-luv1cj2i-21f5df743f4c2e2dfed94571d1a785f0'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{Alle} \"  ><p id='toggle-toggle-id-8' data-fake-id='#toggle-id-8' class='toggler  av-title-above '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-8' data-slide-speed=\"200\" data-title=\"Druck-Biege-Erm\u00fcdungspr\u00fcfung\" data-title-open=\"\" data-aria_collapsed=\"Click to expand: Druck-Biege-Erm\u00fcdungspr\u00fcfung\" data-aria_expanded=\"Click to collapse: Druck-Biege-Erm\u00fcdungspr\u00fcfung\">Druck-Biege-Erm\u00fcdungspr\u00fcfung<span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-8' aria-labelledby='toggle-toggle-id-8' role='region' class='toggle_wrap  av-title-above'  ><div class='toggle_content invers-color '  itemprop=\"text\" ><ul>\n<li>Zweck der Pr\u00fcfung: Mit dieser Pr\u00fcfung wird die Widerstandsf\u00e4higkeit von Wirbels\u00e4ulenimplantaten gegen\u00fcber zyklischen Belastungen bewertet, die denen bei t\u00e4glichen Aktivit\u00e4ten \u00e4hneln.<\/li>\n<li>Testverfahren:\n<ul>\n<li>Probenvorbereitung: Die Testproben werden nach den Anweisungen der Norm ASTM F1717 vorbereitet.<\/li>\n<li>Montage des Wirbels\u00e4ulenimplantats: Das Implantat wird zwischen den UHMWPE-Bl\u00f6cken installiert.<\/li>\n<li>Belastungszyklen: Eine wiederholte zyklische Belastung wird mit einer bestimmten Frequenz f\u00fcr eine vorher festgelegte Anzahl von Zyklen aufgebracht, wobei die Verformung und der Widerstand des Implantats \u00fcberwacht werden.<\/li>\n<li>Bewertung: \u00dcberwachen Sie Erst- und Zweitausf\u00e4lle, zeichnen Sie Ausfallarten auf und bewerten Sie Verformungen. Bestimmen Sie die Dauerfestigkeit und zeichnen Sie eine halblogarithmische Erm\u00fcdungskurve der Druck-Biege-Belastung gegen die Anzahl der Zyklen bis zum Versagen.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/section>\n<\/div><\/p><\/div><div  class='flex_column av-193ned5-e7e72b3a46a4befbdaab3d7db21a6830 av_one_fifth flex_column_div  '     ><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_5'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-113980'><div class='entry-content-wrapper clearfix'><div  class='flex_column av-89325pu-92f0c2a29ff147e9c5e41a077efe7fd0 av_one_fifth first flex_column_div  '     ><\/div><\/p>\n<div  class='flex_column av-77i2ws9-91ef2cf69fb46ab319f538662d9dbbe3 av_one_fifth flex_column_div  '     ><style 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data-created_by=\"avia_inline_auto\" id=\"style-css-av-6n05yc2-85f52271b82a7e63b047c0ade7fc99fd\">\n#top .hr.hr-invisible.av-6n05yc2-85f52271b82a7e63b047c0ade7fc99fd{\nheight:80px;\n}\n<\/style>\n<div  class='hr av-6n05yc2-85f52271b82a7e63b047c0ade7fc99fd hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lhhg4moj-16052842af2f6b59284250826eabb65f\">\n#top .av_textblock_section.av-lhhg4moj-16052842af2f6b59284250826eabb65f .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-lhhg4moj-16052842af2f6b59284250826eabb65f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><span class=\"ez-toc-section\" id=\"PRUeFMASCHINEN_FUeR_ASTM_F1717\"><\/span>PR\u00dcFMASCHINEN F\u00dcR ASTM F1717<br \/><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bei STEP Lab bieten wir <strong>Multi-Aktuator-Systeme<\/strong> f\u00fcr Zug- und Torsionspr\u00fcfungen an. <strong>BV-Systeme sind in einem breiten Lastbereich mit Drehmomentkapazit\u00e4ten von bis zu 230 Nm erh\u00e4ltlich.<\/strong> Der Torsionsmotor ist mit allen von uns hergestellten Serien von Linearantrieben gekoppelt, von den elektromechanischen Antrieben \u00fcber die <strong>Serie EA bis hin zu den auf Linearmotoren basierenden Serien UD, HUD und XUD.<\/strong><\/p>\n<ul>\n<li>Steuerung von zwei oder mehr synchronisierten Achsen<\/li>\n<li>Keine Wartung<\/li>\n<li>Hohe Effizienz<\/li>\n<li>Einfache Installation<\/li>\n<\/ul>\n<\/div><\/section><br \/>\n<div  class='avia-button-wrap av-lucf7x5g-7498042a35af0a6f6136aba1fd6e1a0c-wrap avia-button-left '><a href='https:\/\/step-lab.com\/multi-actuator-systems\/'  class='avia-button av-lucf7x5g-7498042a35af0a6f6136aba1fd6e1a0c av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-left avia-color-theme-color'   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