{"id":7949,"date":"2026-04-27T16:44:25","date_gmt":"2026-04-27T08:44:25","guid":{"rendered":"https:\/\/www.qualitester.com\/?page_id=7949"},"modified":"2026-04-27T16:44:25","modified_gmt":"2026-04-27T08:44:25","slug":"usp-381","status":"publish","type":"page","link":"https:\/\/www.qualitester.com\/da\/standards\/usp-381\/","title":{"rendered":"USP 381"},"content":{"rendered":"<h1 data-section-id=\"yzzvkq\" data-start=\"386\" data-end=\"460\">USP 381 Elastomerpropper til injektionsv\u00e6sker \u2013 Funktionspr\u00f8vning<\/h1>\n<p data-start=\"462\" data-end=\"811\">I l\u00e6gemiddelemballage skal elastomeriske lukninger sikre, at <strong data-start=\"524\" data-end=\"582\">beholderens integritet, sterilitet og mulighed for gentagen brug<\/strong>. <span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">USP 381<\/span><\/span> fastl\u00e6gger strenge funktionalitetskriterier til verifikation af disse egenskaber. Denne standard fokuserer p\u00e5 lukninger, der er beregnet til n\u00e5lepunktur, med v\u00e6gt p\u00e5 mekanisk ydeevne og t\u00e6tningssikkerhed.<\/p>\n<p data-start=\"813\" data-end=\"1030\">Producenter og kvalitetskontrolteams benytter USP 381 til at vurdere tre v\u00e6sentlige egenskaber: <strong data-start=\"914\" data-end=\"973\">gennemtr\u00e6ngelighed, fragmentering og selvforseglende egenskaber<\/strong>. Disse test har direkte indflydelse p\u00e5 l\u00e6gemiddelsikkerheden og overholdelsen af reglerne.<\/p>\n<h2 data-section-id=\"1kacewn\" data-start=\"1037\" data-end=\"1073\">Funktionalitetstest af gummipropper<\/h2>\n<p data-start=\"1075\" data-end=\"1325\">Funktionalitetstesten af gummipropper i henhold til USP 381 sikrer, at propperne bevarer deres ydeevne gennem hele deres levetid. F\u00f8r testen gennemg\u00e5r pr\u00f8verne en forberedelse, der svarer til Solution S-behandlingen og luftt\u00f8rring, hvilket sikrer ensartethed p\u00e5 tv\u00e6rs af evalueringerne.<\/p>\n<p data-start=\"1327\" data-end=\"1365\">Funktionalitetsvurderingen omfatter:<\/p>\n<ul data-start=\"1367\" data-end=\"1548\">\n<li data-section-id=\"1nbwar0\" data-start=\"1367\" data-end=\"1446\">Kontrolleret punktering ved hj\u00e6lp af en <strong data-start=\"1397\" data-end=\"1446\">smurt injektionsn\u00e5l (12\u00b0 \u00b1 2\u00b0 skr\u00e5kant)<\/strong><\/li>\n<li data-section-id=\"1ov9t2u\" data-start=\"1447\" data-end=\"1486\">Simulering af gentagen mekanisk belastning<\/li>\n<li data-section-id=\"x6it7x\" data-start=\"1487\" data-end=\"1548\">Vurdering af partikeldannelse og t\u00e6tningsevne<\/li>\n<\/ul>\n<p data-start=\"1550\" data-end=\"1689\">Disse procedurer efterligner reelle kliniske anvendelsesforhold og sikrer, at lukningerne kan modst\u00e5 <strong data-start=\"1635\" data-end=\"1688\">flere punkteringer uden at kompromittere steriliteten<\/strong>.<\/p>\n<h2 data-section-id=\"1crse5g\" data-start=\"1696\" data-end=\"1742\">USP 381 Elastomeriske lukninger til injektionsv\u00e6sker<\/h2>\n<p data-start=\"1744\" data-end=\"1905\">USP 381-elastomerpropper til injektionsv\u00e6sker definerer <strong data-start=\"1795\" data-end=\"1831\">kvantitative godkendelseskriterier<\/strong> som laboratorierne skal overholde. Hver test er rettet mod en bestemt risiko for svigt:<\/p>\n<ul data-start=\"1907\" data-end=\"2054\">\n<li data-section-id=\"prhf39\" data-start=\"1907\" data-end=\"1960\"><strong data-start=\"1909\" data-end=\"1926\">Gennemtr\u00e6ngelighed<\/strong> \u2192 brugervenlighed og indspr\u00f8jtningskraft<\/li>\n<li data-section-id=\"18mm5r8\" data-start=\"1961\" data-end=\"2003\"><strong data-start=\"1963\" data-end=\"1980\">Fragmentering<\/strong> \u2192 risiko for forurening<\/li>\n<li data-section-id=\"1jbt0gx\" data-start=\"2004\" data-end=\"2054\"><strong data-start=\"2006\" data-end=\"2022\">Selvforseglende<\/strong> \u2192 containerens lukningsintegritet<\/li>\n<\/ul>\n<p data-start=\"2056\" data-end=\"2203\">Ved at tilpasse sig USP 381 viser producenterne, at de overholder farmakop\u00e9kravene, og styrker dermed den regulatoriske accept p\u00e5 de globale markeder.<\/p>\n<h2 data-section-id=\"152hy1p\" data-start=\"2210\" data-end=\"2250\">Gennemtr\u00e6ngelighedstest for gummipropper<\/h2>\n<p data-start=\"2252\" data-end=\"2345\">Gennemtr\u00e6ngelighedstesten for gummipropper vurderer den kraft, der kr\u00e6ves for at gennembore proppen.<\/p>\n<p data-start=\"2347\" data-end=\"2370\"><strong data-start=\"2347\" data-end=\"2370\">Oversigt over proceduren:<\/strong><\/p>\n<ul data-start=\"2371\" data-end=\"2529\">\n<li data-section-id=\"gicv2d\" data-start=\"2371\" data-end=\"2417\">Fyld 10 h\u00e6tteglas med vand op til det nominelle volumen<\/li>\n<li data-section-id=\"1thyxoh\" data-start=\"2418\" data-end=\"2457\">S\u00e6t propper p\u00e5 og fastg\u00f8r dem med h\u00e6tter<\/li>\n<li data-section-id=\"dloeo1\" data-start=\"2458\" data-end=\"2529\">Stik en ny n\u00e5l gennem hver lukning, vinkelret p\u00e5 overfladen<\/li>\n<\/ul>\n<p data-start=\"2531\" data-end=\"2549\"><strong data-start=\"2531\" data-end=\"2547\">Krav:<\/strong><\/p>\n<ul data-start=\"2550\" data-end=\"2611\">\n<li data-section-id=\"1wwqyqu\" data-start=\"2550\" data-end=\"2611\">Kraften m\u00e5 ikke overstige <strong data-start=\"2578\" data-end=\"2586\">10 N<\/strong>, med en n\u00f8jagtighed p\u00e5 \u00b10,25 N<\/li>\n<\/ul>\n<p data-start=\"2613\" data-end=\"2714\">Denne test sikrer, at operat\u00f8rerne kan punktere lukningen sikkert og ensartet uden at bruge for stor kraft.<\/p>\n<p data-start=\"2716\" data-end=\"2998\"><strong data-start=\"2716\" data-end=\"2744\">Indblik i instrumentering:<\/strong><br data-start=\"2744\" data-end=\"2747\" \/>Den <a href=\"https:\/\/www.qualitester.com\/da\/vare\/medical-needle-puncture-tester\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"2751\" data-end=\"2784\">NPT-01 Testapparat til m\u00e5ling af n\u00e5lens gennemtr\u00e6ngningsevne<\/strong><\/a> sikrer pr\u00e6cis kraftm\u00e5ling, kontrolleret hastighed og gentagelig positionering. Dens <strong data-start=\"2871\" data-end=\"2928\">PLC-styring og h\u00f8jopl\u00f8sningsn\u00f8jagtighed i positionsm\u00e5ling<\/strong> hj\u00e6lpe laboratorier med at opfylde kravene i USP 381 med minimal variabilitet.<\/p>\n<h2 data-section-id=\"19fav6t\" data-start=\"3005\" data-end=\"3043\">Vurdering af fragmentering i USP 381<\/h2>\n<p data-start=\"3045\" data-end=\"3145\">Fragmenteringstest m\u00e5ler risikoen for <strong data-start=\"3088\" data-end=\"3118\">dannelse af gummipartikler<\/strong> ved gentagne punkteringer.<\/p>\n<p data-start=\"3147\" data-end=\"3161\"><strong data-start=\"3147\" data-end=\"3161\">Vigtige trin:<\/strong><\/p>\n<ul data-start=\"3162\" data-end=\"3326\">\n<li data-section-id=\"aemzlm\" data-start=\"3162\" data-end=\"3240\">Udf\u00f8r flere punkteringer (typisk fire pr. lukning p\u00e5 forskellige steder)<\/li>\n<li data-section-id=\"1bv7ib\" data-start=\"3241\" data-end=\"3298\">Filtrer den sammensatte v\u00e6ske gennem en membran p\u00e5 \u22640,5 \u03bcm<\/li>\n<li data-section-id=\"nttvaa\" data-start=\"3299\" data-end=\"3326\">T\u00e6l synlige partikler<\/li>\n<\/ul>\n<p data-start=\"3328\" data-end=\"3355\"><strong data-start=\"3328\" data-end=\"3353\">Acceptkriterium:<\/strong><\/p>\n<ul data-start=\"3356\" data-end=\"3408\">\n<li data-section-id=\"udyith\" data-start=\"3356\" data-end=\"3408\">Ikke mere end <strong data-start=\"3371\" data-end=\"3406\">fem synlige fragmenter (&gt;50 \u03bcm)<\/strong><\/li>\n<\/ul>\n<p data-start=\"3410\" data-end=\"3598\">Denne test er af afg\u00f8rende betydning, da forurening med partikler kan udg\u00f8re en risiko for <strong data-start=\"3481\" data-end=\"3515\">l\u00e6gemiddelsikkerhed og patienters sundhed<\/strong>. Laboratorier inddrager ofte mikroskopisk kontrol, n\u00e5r resultaterne ligger i gr\u00e6nseomr\u00e5det.<\/p>\n<h2 data-section-id=\"12ahjq8\" data-start=\"3605\" data-end=\"3644\">Test af selvt\u00e6tning for gummipropper<\/h2>\n<p data-start=\"3646\" data-end=\"3757\">Selvforseglingspr\u00f8ven for gummipropper kontrollerer, om propperne bevarer deres t\u00e6thed efter gentagne punkteringer.<\/p>\n<p data-start=\"3759\" data-end=\"3784\"><strong data-start=\"3759\" data-end=\"3784\">Hovedpunkter i proceduren:<\/strong><\/p>\n<ul data-start=\"3785\" data-end=\"3955\">\n<li data-section-id=\"1ysvj6v\" data-start=\"3785\" data-end=\"3844\">Gennemhul hver lukning <strong data-start=\"3807\" data-end=\"3842\">10 gange p\u00e5 forskellige steder<\/strong><\/li>\n<li data-section-id=\"1tlazes\" data-start=\"3845\" data-end=\"3898\">Neds\u00e6nk h\u00e6tteglasene i <strong data-start=\"3864\" data-end=\"3896\">0,11 TP3T-methylenbl\u00e5-opl\u00f8sning<\/strong><\/li>\n<li data-section-id=\"iqe7c4\" data-start=\"3899\" data-end=\"3955\">Skab et vakuum (trykfald p\u00e5 27 kPa) og genopret trykket<\/li>\n<\/ul>\n<p data-start=\"3957\" data-end=\"3975\"><strong data-start=\"3957\" data-end=\"3973\">Krav:<\/strong><\/p>\n<ul data-start=\"3976\" data-end=\"4017\">\n<li data-section-id=\"1nwpnvr\" data-start=\"3976\" data-end=\"4017\">Der m\u00e5 ikke tr\u00e6nge farvestof ind i noget h\u00e6tteglas<\/li>\n<\/ul>\n<p data-start=\"4019\" data-end=\"4266\"><strong data-start=\"4019\" data-end=\"4040\">Testl\u00f8sning:<\/strong><br data-start=\"4040\" data-end=\"4043\" \/>Den <a href=\"https:\/\/www.qualitester.com\/da\/vare\/lt-03-seal-strength-testing-machine\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"4047\" data-end=\"4068\">LT-03 L\u00e6kagetester<\/strong><\/a> muligg\u00f8r kontrollerede vakuumforhold og tydelig visuel detektering. Dens <strong data-start=\"4138\" data-end=\"4186\">et stabilt vakuumsystem og et gennemsigtigt kammer<\/strong> muligg\u00f8r n\u00f8jagtig overv\u00e5gning af l\u00e6kager i t\u00e6t overensstemmelse med USP 381-protokollerne.<\/p>\n<h2 data-section-id=\"vl9ony\" data-start=\"4273\" data-end=\"4317\">Hvorfor USP 381 er vigtig for kvalitetssikring<\/h2>\n<p data-start=\"4319\" data-end=\"4437\">USP 381 indeholder en <strong data-start=\"4338\" data-end=\"4376\">videnskabeligt underbygget rammev\u00e6rk<\/strong> til vurdering af elastomeriske lukninger. Dens betydning ligger i:<\/p>\n<ul data-start=\"4439\" data-end=\"4650\">\n<li data-section-id=\"9sqlxx\" data-start=\"4439\" data-end=\"4479\">Sikring af <strong data-start=\"4450\" data-end=\"4479\">l\u00e6gemidlers sterilitet og sikkerhed<\/strong><\/li>\n<li data-section-id=\"hp6f0p\" data-start=\"4480\" data-end=\"4539\">St\u00f8tte til <strong data-start=\"4493\" data-end=\"4539\">overholdelse af lovgivningen (FDA, farmakop\u00e9er)<\/strong><\/li>\n<li data-section-id=\"1xbl91n\" data-start=\"4540\" data-end=\"4598\">At mindske risikoen for <strong data-start=\"4560\" data-end=\"4598\">partikelforurening og l\u00e6kage<\/strong><\/li>\n<li data-section-id=\"1bunt9z\" data-start=\"4599\" data-end=\"4650\">Forbedring <strong data-start=\"4611\" data-end=\"4650\">produktets p\u00e5lidelighed i klinisk brug<\/strong><\/li>\n<\/ul>\n<p data-start=\"4652\" data-end=\"4762\">Virksomheder, der indf\u00f8rer USP 381-testprotokoller, styrker b\u00e5de <strong data-start=\"4719\" data-end=\"4761\">produktkvalitet og trov\u00e6rdighed p\u00e5 markedet<\/strong>.<\/p>\n<h2 data-section-id=\"1r8frcv\" data-start=\"4769\" data-end=\"4798\">Ofte stillede sp\u00f8rgsm\u00e5l<\/h2>\n<p data-start=\"4800\" data-end=\"4963\"><strong data-start=\"4800\" data-end=\"4838\">1. Hvad er form\u00e5let med USP 381?<\/strong><br data-start=\"4838\" data-end=\"4841\" \/><a href=\"https:\/\/www.uspnf.com\/sites\/default\/files\/usp_pdf\/EN\/USPNF\/revisions\/381_elastomeric_closure_for_injections_rb_notice.pdf\" target=\"_blank\" rel=\"noopener nofollow\">USP 381<\/a> fastl\u00e6gger funktionelle og fysisk-kemiske krav til elastomeriske lukninger, der anvendes i emballage til injicerbare l\u00e6gemidler.<\/p>\n<p data-start=\"4965\" data-end=\"5123\"><strong data-start=\"4965\" data-end=\"5003\">2. Hvorfor er gennemtr\u00e6ngelighed vigtig?<\/strong><br data-start=\"5003\" data-end=\"5006\" \/>Det sikrer, at sundhedspersonale nemt kan punktere lukninger uden at skulle bruge for stor kraft, hvilket mindsker driftsrisiciene.<\/p>\n<p data-start=\"5125\" data-end=\"5285\"><strong data-start=\"5125\" data-end=\"5174\">3. Hvordan p\u00e5virker fragmentering l\u00e6gemiddelsikkerheden?<\/strong><br data-start=\"5174\" data-end=\"5177\" \/>Gummipartikler kan forurene injicerbare l\u00e6gemidler, hvilket udg\u00f8r en risiko for patienterne og overskrider de lovm\u00e6ssige gr\u00e6nsev\u00e6rdier.<\/p>\n<p data-start=\"5287\" data-end=\"5439\"><strong data-start=\"5287\" data-end=\"5333\">4. Hvorn\u00e5r skal der foretages en test af selvt\u00e6tningen?<\/strong><br data-start=\"5333\" data-end=\"5336\" \/>Det g\u00e6lder hovedsageligt for <strong data-start=\"5357\" data-end=\"5385\">beholdere til flere doser<\/strong>, hvor lukningerne skal kunne lukkes igen efter gentagne punkteringer.<\/p>\n<p data-start=\"5441\" data-end=\"5639\"><strong data-start=\"5441\" data-end=\"5498\">5. Hvilket udstyr anbefales til USP 381-test?<\/strong><br data-start=\"5498\" data-end=\"5501\" \/>Pr\u00e6cisionsinstrumenter som f.eks. <strong data-start=\"5532\" data-end=\"5565\">NPT-01 N\u00e5lepunktur-tester<\/strong> og <strong data-start=\"5570\" data-end=\"5591\">LT-03 L\u00e6kagetester<\/strong> levere p\u00e5lidelige testresultater, der overholder g\u00e6ldende krav.<\/p>","protected":false},"excerpt":{"rendered":"<p>USP 381 Elastomeric Closures for Injections &#8211; Functionality Testing In pharmaceutical packaging, elastomeric closures must ensure container integrity, sterility, and repeated usability. USP 381 defines strict functionality criteria to verify these properties. This standard focuses on closures intended for needle puncture, emphasizing mechanical performance and sealing reliability. Manufacturers and quality control teams rely on USP &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.qualitester.com\/da\/standards\/usp-381\/\"> <span class=\"screen-reader-text\">USP 381<\/span> L\u00e6s mere \"<\/a><\/p>","protected":false},"author":4,"featured_media":7950,"parent":4948,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","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":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"class_list":["post-7949","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.qualitester.com\/da\/wp-json\/wp\/v2\/pages\/7949","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qualitester.com\/da\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.qualitester.com\/da\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/da\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/da\/wp-json\/wp\/v2\/comments?post=7949"}],"version-history":[{"count":0,"href":"https:\/\/www.qualitester.com\/da\/wp-json\/wp\/v2\/pages\/7949\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/da\/wp-json\/wp\/v2\/pages\/4948"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.qualitester.com\/da\/wp-json\/wp\/v2\/media\/7950"}],"wp:attachment":[{"href":"https:\/\/www.qualitester.com\/da\/wp-json\/wp\/v2\/media?parent=7949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}