{"id":8282,"date":"2025-03-27T14:41:21","date_gmt":"2025-03-27T13:41:21","guid":{"rendered":"https:\/\/endolab.org\/?post_type=finite-element-analy&#038;p=8282"},"modified":"2026-01-28T17:41:58","modified_gmt":"2026-01-28T16:41:58","slug":"pi-87","status":"publish","type":"finite-element-analy","link":"https:\/\/endolab.org\/de\/finite-element-analy\/pi-87\/","title":{"rendered":"PI-87"},"content":{"rendered":"<p>Analogous to <a href=\"https:\/\/endolab.org\/de\/hip-implants\/astm-f2996\/\">ASTM F2996<\/a>, which simulates the physical testing of <a href=\"https:\/\/endolab.org\/de\/hip-implants\/iso-7206-4-6-8\/\">ISO 7206-4<\/a>, EndoLab has developed a protocol to evaluate the static implant stresses and strains of non-modular metallic orthopaedic hip stem designs in the femoral neck region. The boundary conditions are setup according to <a href=\"https:\/\/endolab.org\/de\/hip-implants\/iso-7206-6\/\">ISO 7206-6<\/a>.<\/p>\n\n\n\n<p>The verification and validation of computational models is an essential component for an accurate simulation. To establish model credibility, EndoLab follows the guidelines described in ASME V&amp;V40.<\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-uagb-faq uagb-faq__outer-wrap uagb-block-28c4c68e uagb-faq-icon-row-reverse uagb-faq-layout-accordion uagb-faq-expand-first-true uagb-faq-inactive-other-true uagb-faq__wrap uagb-buttons-layout-wrap uagb-faq-equal-height\" data-faqtoggle=\"true\" role=\"tablist\"><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-b51dea6e\" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">What is PI-87?<\/span><\/div><div class=\"uagb-faq-content\"><p>PI-87 is EndoLab\u2019s internal FEA (Finite Element Analysis) protocol for non-modular metallic hip stems. It is based on ASTM F2996 but specifically focuses on the femoral neck area, a region for which no standard FEA method currently exists. PI-87 can also help identify the worst-case scenarios to guide mechanical testing in according to ISO 7206-6.<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-59184249\" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">Is PI-87 required for regulatory submissions?<\/span><\/div><div class=\"uagb-faq-content\"><p>No, PI-87 is not mandatory for regulatory submissions. It is a custom EndoLab protocol that can complement recognized standards (such as F2996) when preparing submissions.<\/p><\/div><\/div><\/div>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":""},"class_list":["post-8282","finite-element-analy","type-finite-element-analy","status-publish","hentry"],"acf":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Theresa Kaddick","author_link":"https:\/\/endolab.org\/de\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"Analogous to ASTM F2996, which simulates the physical testing of ISO 7206-4, EndoLab has developed a protocol to evaluate the static implant stresses and strains of non-modular metallic orthopaedic hip stem designs in the femoral neck region. The boundary conditions are setup according to ISO 7206-6. The verification and validation of computational models is an&hellip;","_links":{"self":[{"href":"https:\/\/endolab.org\/de\/wp-json\/wp\/v2\/finite-element-analy\/8282","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/endolab.org\/de\/wp-json\/wp\/v2\/finite-element-analy"}],"about":[{"href":"https:\/\/endolab.org\/de\/wp-json\/wp\/v2\/types\/finite-element-analy"}],"wp:attachment":[{"href":"https:\/\/endolab.org\/de\/wp-json\/wp\/v2\/media?parent=8282"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}