{"id":3275,"date":"2026-04-27T08:55:51","date_gmt":"2026-04-27T08:55:51","guid":{"rendered":"https:\/\/www.materialstests.com\/?post_type=application&#038;p=3275"},"modified":"2026-04-27T08:55:52","modified_gmt":"2026-04-27T08:55:52","slug":"usp-381","status":"publish","type":"application","link":"https:\/\/www.materialstests.com\/lt\/application\/usp-381.html","title":{"rendered":"USP 381"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u201eUSP 381\u201c supratimas ir jo vaidmuo farmacijos produkt\u0173 pakuot\u0117se<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>USP 381<\/strong> nustato veikimo reikalavimus elastomeriniams u\u017edarymo elementams, naudojamiems injekcini\u0173 vaist\u0173 pakuot\u0117se. \u0160ie u\u017edarymo elementai turi u\u017etikrinti talpyklos sandarum\u0105 ir leisti pakartotinai \u012f j\u0105 \u012fd\u0117ti adat\u0105, nesukeliant pavojaus steriliumui. Standarte daugiausia d\u0117mesio skiriama trims esminiams funkcionalumo vertinimams: pralaidumui, suskaidymui ir savaiminiam u\u017esandarinimui.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vaist\u0173 gamintojai ir kokyb\u0117s kontrol\u0117s komandos pasikliauja <strong>USP 381<\/strong> siekiant u\u017etikrinti, kad u\u017edarymo elementai klinikinio naudojimo metu veikt\u0173 nuosekliai. \u0160i\u0173 parametr\u0173 nesilaikymas gali sukelti u\u017eter\u0161im\u0105, dozavimo netikslumus arba kelti pavoj\u0173 pacient\u0173 saugai. Tod\u0117l laboratorijos privalo \u012fdiegti tikslias ir pakartojamas bandym\u0173 proced\u016bras, atitinkan\u010dias standart\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vial\u0173 kam\u0161\u010di\u0173 funkcionalumo bandymas pagal USP 381<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Svetain\u0117 <strong>ampul\u0117s kam\u0161\u010dio funkcionalumo bandymas<\/strong> vertina, kaip u\u017edarymo elementai elgiasi realiomis naudojimo s\u0105lygomis, kai juos veikia injekcini\u0173 adat\u0173 d\u016briai. Atliekant bandym\u0105 reikalingi i\u0161 anksto paruo\u0161ti bandiniai ir standartizuotos adatos, kuri\u0173 geometrija yra kontroliuojama.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Svarbiausi aspektai:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tepam\u0173 ilg\u0173 kampini\u0173 adat\u0173 (12 \u00b1 2\u00b0) naudojimas<\/li>\n\n\n\n<li>Nustatytos punkcijos vietos ir da\u017enumas<\/li>\n\n\n\n<li>Tikslus j\u0117gos matavimas, daleli\u0173 susidarymas ir sandarumo patikrinimas<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160ie bandymai imituoja klinikin\u012f naudojim\u0105, u\u017etikrinant, kad u\u017edarymo elementai i\u0161laikyt\u0173 tiek mechanines savybes, tiek sterilium\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Buteliuko kam\u0161\u010dio pralaidumo bandymas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Svetain\u0117 <strong>buteliuko kam\u0161\u010dio pralaidumo bandymas<\/strong> matuoja j\u0117g\u0105, reikaling\u0105 adatai pradurti u\u017edarymo element\u0105. \u0160is parametras tiesiogiai lemia naudojimo patogum\u0105 sveikatos prie\u017ei\u016bros \u012fstaigose.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bandymo principas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Operatoriai pripildo buteliukus iki nominalaus t\u016brio, u\u017ededa kam\u0161\u010dius ir kiekvien\u0105 kam\u0161t\u012f praduria standartizuota adata. Sistema fiksuoja \u012fd\u016brimo metu reikaling\u0105 j\u0117g\u0105.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pri\u0117mimo kriterijai<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Did\u017eiausia leistina j\u0117ga: <strong>\u2264 10 N<\/strong><\/li>\n\n\n\n<li>Matavimo tikslumas: reikalingas didelis tikslumas (\u00b10,25 N)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Praktin\u0117 \u012f\u017evalga<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ma\u017eesn\u0117 ir pastovi \u012fsiskverbimo j\u0117ga u\u017etikrina:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ma\u017eesnis operatoriaus nuovargis<\/li>\n\n\n\n<li>Suma\u017einta adatos pasislinkimo rizika<\/li>\n\n\n\n<li>Didesnis injekcij\u0173 saugumas<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Rekomenduojami prietaisai<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Svetain\u0117 <strong>NPT-01 <a href=\"https:\/\/www.materialstests.com\/lt\/products\/needle-puncture-tester.html\/\" target=\"_blank\" rel=\"noreferrer noopener\">Adatos \u012fsiskverbimo matuoklis<\/a><\/strong> nustato:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Itin tikslus j\u0117gos matavimas (iki 200 N diapazone)<\/li>\n\n\n\n<li>Reguliuojamas bandymo greitis, siekiant u\u017etikrinti atitikt\u012f <strong>USP 381<\/strong><\/li>\n\n\n\n<li>Stabilus judesio valdymas naudojant rutulin\u012f sraigt\u0105 ir \u017eingsnin\u012f varikl\u012f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160i sistema u\u017etikrina proces\u0173 pakartojamum\u0105 ir atitikt\u012f grie\u017etiems farmacijos kokyb\u0117s kontrol\u0117s reikalavimams.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Fragmentacijos vertinimas pagal USP 381<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Fragmentacijos bandymu vertinama, ar pakartotinai praduriant dangtel\u012f nuo jo atsiskiria gumos dalel\u0117s.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Testo ap\u017evalga<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kiekvienas kam\u0161tis yra daug kart\u0173 praduriamas skirtingose vietose<\/li>\n\n\n\n<li>Skystis filtruojamas per plon\u0105 membran\u0105 (\u22640,5 \u03bcm)<\/li>\n\n\n\n<li>Skai\u010diuojamos matomos dalel\u0117s<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Pri\u0117mimo kriterijai<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ne daugiau kaip penki matomi fragmentai<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Kod\u0117l tai svarbu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Fragmentacija kelia tiesiogin\u0119 u\u017eter\u0161imo gr\u0117sm\u0119. \u012e injekcinius tirpalus patekusios dalel\u0117s gali sukelti:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pavojai pacient\u0173 saugai<\/li>\n\n\n\n<li>Reglamentavimo reikalavim\u0173 nesilaikymas<\/li>\n\n\n\n<li>Produkt\u0173 at\u0161aukimai<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Laboratorijos privalo u\u017etikrinti tiek adat\u0173 vientisum\u0105, tiek kontroliuojamas tyrimo s\u0105lygas, kad b\u016bt\u0173 i\u0161vengta klaiding\u0173 rezultat\u0173.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Buteliuko kam\u0161\u010dio savaiminio sandarinimo bandymas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Svetain\u0117 <strong>buteliuko kam\u0161\u010dio savaiminio sandarinimo bandymas<\/strong> \u012fvertina, ar u\u017edarymo elementai veiksmingai u\u017esandar\u0117ja po daugkartinio prad\u016brimo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bandymo metodas<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kiekvienas kam\u0161telis yra pradurtas <strong>10 kart\u0173<\/strong><\/li>\n\n\n\n<li>Buteliukai panardinami \u012f <strong>metileno m\u0117lynojo tirpalas<\/strong><\/li>\n\n\n\n<li>Sukuriama vakuumin\u0117 aplinka, o po to ji i\u0161leid\u017eiama<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Pri\u0117mimo kriterijai<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>N\u0117 viename buteliuke neaptikta da\u017e\u0173 patekimo<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Techninis ai\u0161kinimas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is bandymas imituoja realias sl\u0117gio svyravimus saugojimo ir tvarkymo metu. Gedimas rodo, kad pa\u017eeista talpyklos sandarumas (CCI).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Rekomenduojami prietaisai<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Svetain\u0117 <strong>LT-03 <a href=\"https:\/\/www.materialstests.com\/lt\/vacuum-leak-tester.html\/\" target=\"_blank\" rel=\"noreferrer noopener\">Nuot\u0117kio testeris<\/a><\/strong> remia \u0161\u012f tyrim\u0105:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kontroliuojam\u0173 vakuumini\u0173 s\u0105lyg\u0173 suk\u016brimas (iki -90 kPa)<\/li>\n\n\n\n<li>Ai\u0161kus vizualinis nuot\u0117kio nustatymas<\/li>\n\n\n\n<li>Leisti saugoti parametrus, siekiant u\u017etikrinti pakartojamum\u0105<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tai padidina patikimum\u0105, kai tikrinamos sandarumo savyb\u0117s <strong>USP 381<\/strong> s\u0105lygos.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DUK<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1. Koks yra USP 381 tikslas?<br>Jame apibr\u0117\u017eiami elasting\u0173j\u0173 sandarikli\u0173, naudojam\u0173 injekcini\u0173 vaist\u0173 pakuot\u0117se, veikimo reikalavimai, did\u017eiausi\u0105 d\u0117mes\u012f skiriant saugai ir funkcionalumui.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Kod\u0117l buteliuk\u0173 kam\u0161\u010diams svarbus pralaidumas?<br>Tai u\u017etikrina, kad sveikatos prie\u017ei\u016bros specialistai gal\u0117t\u0173 saugiai ir lengvai pradurti u\u017edarymus, nenaudodami pernelyg didel\u0117s j\u0117gos ir nesukeldami pavojaus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. Kaip fragmentacija veikia vaist\u0173 saugum\u0105?<br>Atsiskyrusios dalel\u0117s gali u\u017eter\u0161ti injekcinius vaistus ir kelti rimt\u0105 pavoj\u0173 pacient\u0173 sveikatai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. Kada reikia atlikti savaiminio sandarinimo bandym\u0105?<br>Tai taikoma u\u017edarymams, naudojamiems <strong>daugiados\u0117s talpyklos<\/strong>, kur susidaro pakartotiniai \u012fd\u016brimai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">5. Kokie instrumentai tinka <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=\"noreferrer noopener\">USP 381<\/a> testavimas?<br>Tokios sistemos kaip adatos pradurimo bandymo \u012frenginys NPT-01 ir sandarumo bandymo \u012frenginys LT-03 u\u017etikrina tikslius, pakartojamus ir reikalavimus atitinkan\u010dius bandym\u0173 sprendimus.<\/p>","protected":false},"excerpt":{"rendered":"<p>Understanding USP 381 and Its Role in Pharmaceutical Packaging USP 381 defines the performance requirements for elastomeric closures used in injectable drug packaging. These closures must maintain container integrity while allowing repeated needle access without compromising sterility. The standard focuses on three critical functionality evaluations: penetrability, fragmentation, and self-sealing capacity. Pharmaceutical manufacturers and quality control [&hellip;]<\/p>","protected":false},"featured_media":3277,"parent":0,"template":"","meta":{"_acf_changed":false},"standard":[1550],"class_list":["post-3275","application","type-application","status-publish","has-post-thumbnail","hentry","standard-usp"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.materialstests.com\/lt\/wp-json\/wp\/v2\/application\/3275","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.materialstests.com\/lt\/wp-json\/wp\/v2\/application"}],"about":[{"href":"https:\/\/www.materialstests.com\/lt\/wp-json\/wp\/v2\/types\/application"}],"version-history":[{"count":1,"href":"https:\/\/www.materialstests.com\/lt\/wp-json\/wp\/v2\/application\/3275\/revisions"}],"predecessor-version":[{"id":3278,"href":"https:\/\/www.materialstests.com\/lt\/wp-json\/wp\/v2\/application\/3275\/revisions\/3278"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/lt\/wp-json\/wp\/v2\/media\/3277"}],"wp:attachment":[{"href":"https:\/\/www.materialstests.com\/lt\/wp-json\/wp\/v2\/media?parent=3275"}],"wp:term":[{"taxonomy":"standard","embeddable":true,"href":"https:\/\/www.materialstests.com\/lt\/wp-json\/wp\/v2\/standard?post=3275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}