{"id":2406,"date":"2017-01-31T15:45:02","date_gmt":"2017-01-31T15:45:02","guid":{"rendered":"http:\/\/nanovea.com\/?p=2406"},"modified":"2021-06-22T21:52:10","modified_gmt":"2021-06-22T21:52:10","slug":"stent-coating-failure-using-nano-scratch-testing","status":"publish","type":"post","link":"https:\/\/nanovea.com\/pl\/stent-coating-failure-using-nano-scratch-testing\/","title":{"rendered":"Uszkodzenie pow\u0142oki stentu z rowkiem z wykorzystaniem badania nanozarysowa\u0144"},"content":{"rendered":"<p>Stent uwalniaj\u0105cy lek to nowe podej\u015bcie w technologii stent\u00f3w. Posiada biodegradowaln\u0105 i biokompatybiln\u0105 pow\u0142ok\u0119 polimerow\u0105, kt\u00f3ra uwalnia lek powoli i w spos\u00f3b ci\u0105g\u0142y w lokalnej t\u0119tnicy, aby zahamowa\u0107 pogrubienie b\u0142ony wewn\u0119trznej i zapobiec ponownemu zablokowaniu t\u0119tnicy.<a href=\"#_edn1\" name=\"_ednref1\"><\/a> Jednym z g\u0142\u00f3wnych problem\u00f3w jest rozwarstwienie pow\u0142oki polimerowej, kt\u00f3ra zawiera warstw\u0119 uwalniaj\u0105c\u0105 lek, od metalowego pod\u0142o\u017ca stentu. Aby poprawi\u0107 przyczepno\u015b\u0107 tej pow\u0142oki do pod\u0142o\u017ca, stent jest projektowany w r\u00f3\u017cnych kszta\u0142tach. W szczeg\u00f3lno\u015bci w tym badaniu pow\u0142oka polimerowa znajduje si\u0119 na dnie rowka na drucie siatkowym, co stanowi ogromne wyzwanie dla pomiaru przyczepno\u015bci. Potrzebna jest niezawodna technika ilo\u015bciowego pomiaru wytrzyma\u0142o\u015bci mi\u0119dzyfazowej mi\u0119dzy pow\u0142ok\u0105 polimerow\u0105 a metalowym pod\u0142o\u017cem. Specjalny kszta\u0142t i ma\u0142a \u015brednica siatki stentu (por\u00f3wnywalna z ludzkim w\u0142osem) wymagaj\u0105 bardzo dok\u0142adnej dok\u0142adno\u015bci bocznej XY w celu zlokalizowania pozycji testowej oraz w\u0142a\u015bciwej kontroli i pomiaru obci\u0105\u017cenia i g\u0142\u0119boko\u015bci podczas testu.<\/p>\n<p><a href=\"https:\/\/nanovea.com\/wp-content\/themes\/wp-nanovea\/Application%20Notes\/stent-coating-failure.pdf\">Uszkodzenie pow\u0142oki stentu z rowkiem z wykorzystaniem badania nanozarysowa\u0144<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Drug\u2013eluting stent is a novel approach in stent technology. It possesses a biodegradable and biocompatible polymer coating that releases medicine slowly and continuously at the local artery to inhibit intimal thickening and prevent the artery from being blocked again. One of the major concerns is the delamination of the polymer coating that carries the drug-eluting [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2398,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[7,349,370,337,345,346],"tags":[271],"class_list":["post-2406","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-notes","category-laboratory-testing","category-liquid-mechanical-testing","category-mechanical-testing","category-scratch-testing-adhesive-failure","category-scratch-testing-cohesive-failure","tag-grooved-stent-coating"],"_links":{"self":[{"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/posts\/2406","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/comments?post=2406"}],"version-history":[{"count":6,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/posts\/2406\/revisions"}],"predecessor-version":[{"id":2736,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/posts\/2406\/revisions\/2736"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/media\/2398"}],"wp:attachment":[{"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/media?parent=2406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/categories?post=2406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nanovea.com\/pl\/wp-json\/wp\/v2\/tags?post=2406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}