{"id":906,"date":"2025-02-25T13:44:33","date_gmt":"2025-02-25T05:44:33","guid":{"rendered":"https:\/\/www.puncturetest.com\/?page_id=906"},"modified":"2025-07-03T15:44:39","modified_gmt":"2025-07-03T07:44:39","slug":"iso-7864-needle-penetration-drag-force-test","status":"publish","type":"page","link":"https:\/\/www.puncturetest.com\/cs\/standards\/iso-7864-needle-penetration-drag-force-test\/","title":{"rendered":"ISO 7864 Zkou\u0161ka pr\u016fniku jehly a ta\u017en\u00e9 s\u00edly"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"906\" class=\"elementor elementor-906\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c60fdbb e-flex e-con-boxed e-con e-parent\" data-id=\"c60fdbb\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-db6fcba e-con-full e-flex e-con e-child\" data-id=\"db6fcba\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9d1f798 e-con-full e-flex e-con e-child\" data-id=\"9d1f798\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8cc5a79 e-con-full e-flex e-con e-child\" data-id=\"8cc5a79\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b6b67d4 elementor-widget elementor-widget-heading\" data-id=\"b6b67d4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">ISO 7864<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75302b5 elementor-widget elementor-widget-heading\" data-id=\"75302b5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Zkou\u0161ka pr\u016fniku jehly a ta\u017en\u00e9 s\u00edly<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69f526a elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"69f526a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Norma ISO 7864 je z\u00e1sadn\u00ed normou pro testov\u00e1n\u00ed vnikac\u00edch a tahov\u00fdch sil, kter\u00fdm mus\u00ed jehly odol\u00e1vat p\u0159i zav\u00e1d\u011bn\u00ed do r\u016fzn\u00fdch podklad\u016f. Tato zkou\u0161ka je nezbytn\u00e1 pro zaji\u0161t\u011bn\u00ed spolehlivosti, bezpe\u010dnosti a v\u00fdkonu jehel pou\u017e\u00edvan\u00fdch ve zdravotnick\u00fdch prost\u0159edc\u00edch.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ed8f07 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"2ed8f07\" data-element_type=\"widget\" data-settings=\"{&quot;button_width&quot;:&quot;25&quot;,&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"906\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"2ed8f07\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Puncture Test\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tN\u00e1zev\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"N\u00e1zev\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_26b0101 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_26b0101\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tSpole\u010dnost\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_26b0101]\" id=\"form-field-field_26b0101\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Spole\u010dnost\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tE-mail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"E-mail\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tZpr\u00e1va\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Zpr\u00e1va\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha elementor-field-group elementor-column elementor-field-group-field_50f0fd6 elementor-col-100\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_50f0fd6\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6LcO3HUrAAAAAKhAi3KjswdM4-_7i5zKd1s5FO2N\" data-type=\"v2_checkbox\" data-theme=\"light\" data-size=\"normal\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-25 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Odeslat<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"cs\"\/><\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-163fe1b e-con-full e-flex e-con e-child\" data-id=\"163fe1b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3f2b60d e-flex e-con-boxed e-con e-parent\" data-id=\"3f2b60d\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7c5f6d2 elementor-widget elementor-widget-heading\" data-id=\"7c5f6d2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Co je ISO 7864?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6126588 elementor-widget elementor-widget-text-editor\" data-id=\"6126588\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"753\" data-end=\"1317\">Norma ISO 7864 definuje zku\u0161ebn\u00ed metody pro m\u011b\u0159en\u00ed vnikac\u00ed s\u00edly a odporov\u00e9 s\u00edly, kterou jehly p\u016fsob\u00ed p\u0159i zav\u00e1d\u011bn\u00ed do r\u016fzn\u00fdch podklad\u016f. Norma se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 k hodnocen\u00ed v\u00fdkonnosti podko\u017en\u00edch jehel a zaji\u0161\u0165uje, \u017ee spl\u0148uj\u00ed nezbytn\u00e9 po\u017eadavky na kvalitu a bezpe\u010dnost pro pou\u017eit\u00ed ve zdravotnictv\u00ed. Konkr\u00e9tn\u011b se zab\u00fdv\u00e1 dv\u011bma kl\u00ed\u010dov\u00fdmi silami <strong data-start=\"1135\" data-end=\"1163\">s\u00edla pr\u016fniku jehly<\/strong> (po\u010d\u00e1te\u010dn\u00ed s\u00edla pot\u0159ebn\u00e1 k proniknut\u00ed materi\u00e1lem) a <strong data-start=\"1225\" data-end=\"1239\">ta\u017en\u00e1 s\u00edla<\/strong> (t\u0159ec\u00ed s\u00edla, kter\u00e1 vznik\u00e1 p\u0159i pohybu jehly po podlo\u017ece).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a9693b2 e-flex e-con-boxed e-con e-parent\" data-id=\"a9693b2\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b44c843 elementor-widget elementor-widget-heading\" data-id=\"b44c843\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V\u00fdznam testov\u00e1n\u00ed podle normy ISO 7864<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-038313d e-grid e-con-full e-con e-child\" data-id=\"038313d\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-cb46a46 e-con-full e-flex e-con e-child\" data-id=\"cb46a46\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1826538 elementor-widget elementor-widget-heading\" data-id=\"1826538\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Test penetra\u010dn\u00ed s\u00edly jehly<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe10a7a elementor-widget elementor-widget-text-editor\" data-id=\"fe10a7a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1442\" data-end=\"1710\">Na str\u00e1nk\u00e1ch <strong data-start=\"1446\" data-end=\"1479\">zkou\u0161ka s\u00edly vpichu jehly<\/strong> m\u011b\u0159\u00ed maxim\u00e1ln\u00ed s\u00edlu pot\u0159ebnou k proniknut\u00ed jehly do ur\u010dit\u00e9ho materi\u00e1lu. Tento test je nezbytn\u00fd pro zaji\u0161t\u011bn\u00ed toho, aby jehla snadno pronikla k\u016f\u017e\u00ed nebo jin\u00fdm c\u00edlov\u00fdm materi\u00e1lem, ani\u017e by zp\u016fsobila zbyte\u010dnou bolest nebo po\u0161kozen\u00ed.<\/p>\n<p data-start=\"1712\" data-end=\"2026\">Postup obvykle zahrnuje zaveden\u00ed jehly do substr\u00e1tu ur\u010ditou rychlost\u00ed, obvykle 100 mm\/min, zat\u00edmco silom\u011br m\u011b\u0159\u00ed penetra\u010dn\u00ed s\u00edlu. V\u00fdsledky zkou\u0161ky poskytuj\u00ed cenn\u00e9 \u00fadaje o pevnosti jehly, kter\u00e9 mohou ovlivnit v\u00fdb\u011br materi\u00e1l\u016f pou\u017eit\u00fdch pro jehlu a jej\u00ed konstrukci.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-aac0e6a e-con-full e-flex e-con e-child\" data-id=\"aac0e6a\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-224440a elementor-widget elementor-widget-heading\" data-id=\"224440a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Zkou\u0161ka ta\u017en\u00e9 s\u00edly jehly<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c107924 elementor-widget elementor-widget-text-editor\" data-id=\"c107924\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2093\" data-end=\"2409\">Jakmile jehla pronikne podkladem, je nutn\u00e9 <strong data-start=\"2143\" data-end=\"2169\">zkou\u0161ka s\u00edly odporu jehly<\/strong> m\u011b\u0159\u00ed t\u0159ec\u00ed s\u00edlu, kter\u00e1 klade odpor pohybu jehly. T\u0159ec\u00ed s\u00edla je d\u016fle\u017eit\u00e1 pro posouzen\u00ed, jak hladce se jehla pohybuje tk\u00e1n\u011bmi nebo materi\u00e1ly, co\u017e je d\u016fle\u017eit\u00e9 pro l\u00e9ka\u0159sk\u00e9 postupy, jako jsou injekce nebo biopsie.<\/p>\n<p data-start=\"2411\" data-end=\"2708\">S\u00edla odporu se vypo\u010d\u00edt\u00e1 anal\u00fdzou profilu s\u00edly generovan\u00e9 b\u011bhem zav\u00e1d\u011bn\u00ed. V\u00fdsledky test\u016f pom\u00e1haj\u00ed v\u00fdrobc\u016fm vyladit konstrukci jehly a zajistit, aby se jehla pohybovala hladce bez nadm\u011brn\u00e9ho odporu nebo t\u0159en\u00ed, kter\u00e9 by mohly ovlivnit celkov\u00fd v\u00fdkon a pohodl\u00ed u\u017eivatele.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a6df764 e-flex e-con-boxed e-con e-parent\" data-id=\"a6df764\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ee171aa elementor-widget elementor-widget-heading\" data-id=\"ee171aa\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">P\u0159\u00edstroje a za\u0159\u00edzen\u00ed pro zkou\u0161ky podle normy ISO 7864<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e5f91e3 e-grid e-con-full e-con e-child\" data-id=\"e5f91e3\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-40d8734 e-con-full e-flex e-con e-child\" data-id=\"40d8734\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-15bd215 elementor-widget elementor-widget-heading\" data-id=\"15bd215\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">P\u0159\u00edstroj pro m\u011b\u0159en\u00ed s\u00edly<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44c6d75 elementor-widget elementor-widget-text-editor\" data-id=\"44c6d75\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Norma ISO 7864 vy\u017eaduje pou\u017eit\u00ed <strong data-start=\"2823\" data-end=\"2854\">p\u0159\u00edstroj pro m\u011b\u0159en\u00ed s\u00edly<\/strong> je vybaven sn\u00edma\u010dem zat\u00ed\u017een\u00ed, kter\u00fd p\u0159esn\u011b m\u011b\u0159\u00ed s\u00edly p\u0159i zkou\u0161k\u00e1ch pr\u016fniku jehly a tahov\u00e9 s\u00edly. P\u0159\u00edstroj mus\u00ed b\u00fdt schopen bezpe\u010dn\u011b dr\u017eet jehlu a pohybovat s n\u00ed stanovenou rychlost\u00ed, aby p\u0159esn\u011b simuloval re\u00e1ln\u00e9 podm\u00ednky.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b81349f elementor-widget elementor-widget-heading\" data-id=\"b81349f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Substr\u00e1t pro testov\u00e1n\u00ed<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a869aa elementor-widget elementor-widget-text-editor\" data-id=\"8a869aa\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Na str\u00e1nk\u00e1ch <strong data-start=\"3140\" data-end=\"3153\">substr\u00e1t<\/strong> pou\u017e\u00edvan\u00e9 p\u0159i testov\u00e1n\u00ed podle normy ISO 7864 hraj\u00ed z\u00e1sadn\u00ed roli p\u0159i zaji\u0161\u0165ov\u00e1n\u00ed p\u0159esn\u00fdch a reprodukovateln\u00fdch v\u00fdsledk\u016f. Mezi b\u011b\u017en\u00e9 substr\u00e1ty pat\u0159\u00ed p\u0159\u00edrodn\u00ed latexov\u00fd kau\u010duk, polyuretan, silikonov\u00fd kau\u010duk a polyethylen, p\u0159i\u010dem\u017e ka\u017ed\u00fd z nich je vybr\u00e1n na z\u00e1klad\u011b sv\u00e9 tvrdosti, tlou\u0161\u0165ky a dal\u0161\u00edch vlastnost\u00ed. Tyto materi\u00e1ly napodobuj\u00ed typ odporu, kter\u00e9mu by jehly \u010delily p\u0159i skute\u010dn\u00fdch l\u00e9ka\u0159sk\u00fdch z\u00e1kroc\u00edch.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f6c2007 elementor-widget elementor-widget-heading\" data-id=\"f6c2007\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Dr\u017e\u00e1k jehly a podm\u00ednky testov\u00e1n\u00ed<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9dff1b6 elementor-widget elementor-widget-text-editor\" data-id=\"9dff1b6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A <strong data-start=\"3561\" data-end=\"3578\">dr\u017e\u00e1k jehly<\/strong> se pou\u017e\u00edv\u00e1 k bezpe\u010dn\u00e9mu upevn\u011bn\u00ed jehly b\u011bhem testu. Test mus\u00ed b\u00fdt proveden za standardn\u00edch laboratorn\u00edch podm\u00ednek s kontrolovanou teplotou a vlhkost\u00ed, aby byla zaji\u0161t\u011bna konzistence v\u0161ech test\u016f. Jehla se pohybuje do podkladu konstantn\u00ed rychlost\u00ed, dokud nen\u00ed dosa\u017eeno po\u017eadovan\u00e9 hloubky proniknut\u00ed.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-16918e1 e-con-full e-flex e-con e-child\" data-id=\"16918e1\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e25a224 elementor-widget elementor-widget-image\" data-id=\"e25a224\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"200\" src=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/ISO-7864-Testing.webp\" class=\"attachment-large size-large wp-image-909\" alt=\"Testov\u00e1n\u00ed podle normy ISO 7864\" srcset=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/ISO-7864-Testing.webp 600w, https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/ISO-7864-Testing-300x100.webp 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46db03d elementor-widget elementor-widget-image\" data-id=\"46db03d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"600\" height=\"380\" src=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/iso7864-needle-penetration-force-test.webp\" class=\"attachment-large size-large wp-image-910\" alt=\"iso7864 zkou\u0161ka penetra\u010dn\u00ed s\u00edly jehly\" srcset=\"https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/iso7864-needle-penetration-force-test.webp 600w, https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/iso7864-needle-penetration-force-test-300x190.webp 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b39e9b8 e-flex e-con-boxed e-con e-parent\" data-id=\"b39e9b8\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e01a403 elementor-widget elementor-widget-heading\" data-id=\"e01a403\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Zku\u0161ebn\u00ed postupy podle normy ISO 7864 - Prov\u00e1d\u011bn\u00ed zkou\u0161ek pr\u016fchodnosti (p\u0159\u00edloha D normy ISO 7864)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ba15752 e-grid e-con-full e-con e-child\" data-id=\"ba15752\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ce95202 elementor-widget elementor-widget-text-editor\" data-id=\"ce95202\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Zku\u0161ebn\u00ed proces popsan\u00fd v norm\u011b ISO 7864 je ur\u010den k hodnocen\u00ed jak <strong data-start=\"142\" data-end=\"170\">s\u00edla pr\u016fniku jehly<\/strong> a <strong data-start=\"175\" data-end=\"196\">s\u00edla odporu jehly<\/strong> prost\u0159ednictv\u00edm strukturovan\u00e9 \u0159ady krok\u016f.<\/p>\n<ol>\n<li data-start=\"166\" data-end=\"336\">\n<p data-start=\"169\" data-end=\"336\"><strong data-start=\"169\" data-end=\"192\">Mont\u00e1\u017e jehly a p\u0159\u00edprava podkladu<\/strong><br data-start=\"192\" data-end=\"195\" \/>Jehla je bezpe\u010dn\u011b p\u0159ipevn\u011bna na <strong data-start=\"234\" data-end=\"265\">p\u0159\u00edstroj pro m\u011b\u0159en\u00ed s\u00edly<\/strong> vybaven sn\u00edma\u010dem zat\u00ed\u017een\u00ed, kter\u00fd zaznamen\u00e1v\u00e1 s\u00edly b\u011bhem zkou\u0161ky. Str\u00e1nka <strong data-start=\"378\" data-end=\"391\">substr\u00e1t<\/strong> je bezpe\u010dn\u011b um\u00edst\u011bn v <strong data-start=\"418\" data-end=\"438\" data-is-only-node=\"\">dr\u017e\u00e1k substr\u00e1tu<\/strong>, \u010d\u00edm\u017e se zajist\u00ed jeho spr\u00e1vn\u00e9 nastaven\u00ed pro test. Podklad by m\u011bl pevn\u011b dr\u017eet na m\u00edst\u011b, p\u0159i\u010dem\u017e c\u00edlov\u00e1 oblast pr\u016fniku by m\u011bla b\u00fdt jasn\u011b viditeln\u00e1.<\/p>\n<\/li>\n<li data-start=\"586\" data-end=\"781\">\n<p data-start=\"589\" data-end=\"781\"><strong data-start=\"589\" data-end=\"610\">Pohyb jehly<\/strong><br data-start=\"610\" data-end=\"613\" \/>Jehla se pohybuje sm\u011brem k podkladu ur\u010ditou rychlost\u00ed, obvykle 100 mm\/min. Jehla za\u010dne pronikat materi\u00e1lem a zaznamen\u00e1v\u00e1 se p\u016fsob\u00edc\u00ed s\u00edla.<\/p>\n<\/li>\n<li data-start=\"783\" data-end=\"1012\">\n<p data-start=\"786\" data-end=\"1012\"><strong data-start=\"786\" data-end=\"821\">M\u011b\u0159en\u00ed penetra\u010dn\u00ed a ta\u017en\u00e9 s\u00edly<\/strong><br data-start=\"821\" data-end=\"824\" \/>Na str\u00e1nk\u00e1ch <strong data-start=\"831\" data-end=\"860\">po\u010d\u00e1te\u010dn\u00ed penetra\u010dn\u00ed s\u00edla<\/strong> se m\u011b\u0159\u00ed jako maxim\u00e1ln\u00ed s\u00edla pot\u0159ebn\u00e1 k prora\u017een\u00ed materi\u00e1lu. Tato s\u00edla odpov\u00edd\u00e1 maxim\u00e1ln\u00ed s\u00edle v okam\u017eiku po\u010d\u00e1te\u010dn\u00edho pr\u016fniku. Pot\u00e9, co jehla pronikne materi\u00e1lem, pokra\u010duje v pohybu vp\u0159ed. Na adrese . <strong data-start=\"1131\" data-end=\"1145\">ta\u017en\u00e1 s\u00edla<\/strong>neboli t\u0159ec\u00ed odpor, na kter\u00fd jehla p\u0159i pohybu po podlo\u017ece nar\u00e1\u017e\u00ed, se zaznamen\u00e1v\u00e1.<\/p>\n<\/li>\n<li data-start=\"1242\" data-end=\"1370\">\n<p data-start=\"1245\" data-end=\"1370\"><strong data-start=\"1245\" data-end=\"1270\">Zata\u017een\u00ed jehly<\/strong><br data-start=\"1270\" data-end=\"1273\" \/>Po zaveden\u00ed jehly do p\u0159edepsan\u00e9 hloubky se jehla vyt\u00e1hne z podkladu.<\/p>\n<\/li>\n<\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-536c212 e-con-full e-flex e-con e-child\" data-id=\"536c212\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1729f10 elementor-widget elementor-widget-video\" data-id=\"1729f10\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/6D2saICCxCA&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f1c1302 elementor-widget elementor-widget-text-editor\" data-id=\"f1c1302\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Po testov\u00e1n\u00ed:<\/p>\n<ol>\n<li data-start=\"1372\" data-end=\"1612\">\n<p data-start=\"1375\" data-end=\"1612\"><strong data-start=\"1375\" data-end=\"1410\">Sb\u011br dat a v\u00fdpo\u010det<\/strong><br data-start=\"1410\" data-end=\"1413\" \/>B\u011bhem testu se shroma\u017e\u010fuj\u00ed data a <strong data-start=\"1459\" data-end=\"1478\">st\u0159edn\u00ed odporov\u00e1 s\u00edla<\/strong> a <strong data-start=\"1483\" data-end=\"1509\" data-is-only-node=\"\">\u0161pi\u010dkov\u00e1 penetra\u010dn\u00ed s\u00edla<\/strong> jsou vypo\u010dteny. Tyto hodnoty poskytuj\u00ed kl\u00ed\u010dov\u00e9 informace o v\u00fdkonu jehly b\u011bhem zav\u00e1d\u011bn\u00ed.<\/p>\n<\/li>\n<li data-start=\"1614\" data-end=\"1843\">\n<p data-start=\"1617\" data-end=\"1843\"><strong data-start=\"1617\" data-end=\"1638\">Anal\u00fdza v\u00fdsledk\u016f<\/strong><br data-start=\"1638\" data-end=\"1641\" \/>V\u00fdsledky test\u016f jsou analyzov\u00e1ny za \u00fa\u010delem stanoven\u00ed pr\u016fm\u011brn\u00fdch hodnot a sm\u011brodatn\u00fdch odchylek obou test\u016f. <strong data-start=\"1742\" data-end=\"1756\">ta\u017en\u00e1 s\u00edla<\/strong> a <strong data-start=\"1761\" data-end=\"1782\" data-is-only-node=\"\">penetra\u010dn\u00ed s\u00edla<\/strong>. Tyto ukazatele pom\u00e1haj\u00ed hodnotit celkovou v\u00fdkonnost jehly.<\/p>\n<\/li>\n<\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6821011 e-con-full e-flex e-con e-parent\" data-id=\"6821011\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-665057d elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-widget elementor-widget-call-to-action\" data-id=\"665057d\" data-element_type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.puncturetest.com\/wp-content\/uploads\/2025\/02\/Elastomeric-Closures-Penetrability-Test-1024x256.webp);\" role=\"img\" aria-label=\"Elastomerov\u00e9 uz\u00e1v\u011bry Zkou\u0161ka prody\u0161nosti\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tZajist\u011bte si shodu s p\u0159edpisy pro l\u00e9ka\u0159sk\u00e9 aplikace nebo kontrolu kvality je\u0161t\u011b dnes\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tZajist\u011bte kvalitu a spolehlivost sv\u00fdch jehlov\u00fdch v\u00fdrobk\u016f p\u0159esn\u00fdm prov\u00e1d\u011bn\u00edm. <strong>s\u00edla pr\u016fniku jehly<\/strong> a <strong>zkou\u0161ka s\u00edly odporu jehly<\/strong> v souladu s <strong>ISO 7864<\/strong> normy.<br><big>Ned\u011blejte kompromisy v oblasti bezpe\u010dnosti - kontaktujte n\u00e1s je\u0161t\u011b dnes a dozv\u00edte se v\u00edce o na\u0161ich \u0161pi\u010dkov\u00fdch testovac\u00edch p\u0159\u00edstroj\u00edch, kter\u00e9 spl\u0148uj\u00ed po\u017eadavky normy ISO 7864.<\/big>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"https:\/\/www.puncturetest.com\/cs\/contact\/\">\n\t\t\t\t\t\tKlikn\u011bte zde\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>ISO 7864 Needle Penetration and Drag Force Test ISO 7864 is a crucial standard for testing the needle penetration and drag forces that needles must endure when inserted into various substrates. This test is essential for ensuring the reliability, safety, and performance of needles used in medical devices. What Is ISO 7864? ISO 7864 defines [&hellip;]<\/p>","protected":false},"author":3,"featured_media":0,"parent":974,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-906","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ISO 7864 Needle Penetration and Drag Force Test - Puncture Test<\/title>\n<meta name=\"description\" content=\"ISO 7864, the standard for needle penetration and drag force testing. 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