{"id":11189,"date":"2026-01-08T08:17:56","date_gmt":"2026-01-08T07:17:56","guid":{"rendered":"https:\/\/prototal.info\/cases\/reduceret-risiko-for-slagtilfaelde-ved-hjaelp-af-3d-printning-2\/"},"modified":"2026-03-12T21:10:25","modified_gmt":"2026-03-12T20:10:25","slug":"qatna","status":"publish","type":"case_studies","link":"https:\/\/prototal.info\/dk\/cases\/qatna\/","title":{"rendered":"Reduceret risiko for slagtilf\u00e6lde ved hj\u00e6lp af 3D Print"},"content":{"rendered":"\n<p>Qatna Medical lukker det venstre atriale vedh\u00e6ng med et implantat for at beskytte mod slagtilf\u00e6lde. Operationen lykkes takket v\u00e6re h\u00e5ndtaget, der er fremstillet af additivt fremstillede plastkomponenter fra vores \u00f8strigske site <a href=\"https:\/\/www.1zu1.eu\">1zu1scale<\/a>. Disse komponenter markerer en milep\u00e6l for <a href=\"https:\/\/prototal.info\/dk\/services\/industriel-3d-print\/\">industriel 3D print<\/a> og den <a href=\"https:\/\/prototal.info\/dk\/loesninger\/industrier\/medico\/\">medicinske sektor<\/a>: Det er nu muligt at fremstille steriliserbare, produktionsklare og lovpligtige komponenter.<\/p>\n\n\n\n<p><strong>Beliggenhed Hechingen, Tyskland.<\/strong>  Denne lille by i udkanten af Schw\u00e4bische Alb er kendt for sin Medical Valley. Talrige virksomheder og start-ups udvikler innovative medicinske teknologiprodukter her. Siden grundl\u00e6ggelsen i 2019 har Qatna Medical udelukkende specialiseret sig i behandling af strukturelle hjertesygdomme. Det giver mennesker med atrieflimren mulighed for at beskytte sig mod slagtilf\u00e6lde og undg\u00e5 livslang brug af blodfortyndende medicin. I mods\u00e6tning til konventionelle implantater er denne nye metode baseret p\u00e5 biologisk v\u00e6v i stedet for syntetisk materiale. Form\u00e5let er at forbedre kompatibiliteten i kroppen.     <\/p>\n\n\n\n<p>Visionen er, at patienter, der behandles med implantatet, skal tage mindre medicin, hvilket kan forbedre deres livskvalitet. Dette skal dog stadig bevises, n\u00e5r det kliniske fors\u00f8g er afsluttet. Plastdele fra en 3D-printer g\u00f8r ogs\u00e5 dette muligt. <a href=\"https:\/\/prototal.info\/dk\/om-os\/lokationer\/oestrig\/\">1zu1<\/a> har skabt et kompakt h\u00e5ndtag til implantatindf\u00f8ringssystemet ved at udnytte SLS-teknologiens fulde potentiale. Seks kemisk udglattede og delvist printede komponenter passer perfekt sammen, er l\u00e6kagesikre og nemme at reng\u00f8re. Certificering i henhold til EN ISO 13485 letter ogs\u00e5 godkendelsesprocessen.    <\/p>\n\n\n\n<p>Udviklingsingeni\u00f8r Felix Schneider fra Qatna Medical og Stefan R\u00e4dler, leder af Additive Manufacturing hos 1zu1, giver et indblik i tilblivelsen af dette flagskibsprojekt.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large is-style-default\"><img data-dominant-color=\"6c5729\" data-has-transparency=\"false\" style=\"--dominant-color: #6c5729;\" loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"5215\" src=\"https:\/\/prototal.info\/app\/uploads\/2025\/12\/qatna-felix-schneider.avif\" alt=\"\" class=\"wp-image-5215 not-transparent\" srcset=\"https:\/\/prototal.info\/app\/uploads\/2025\/12\/qatna-felix-schneider.avif 480w, https:\/\/prototal.info\/app\/uploads\/2025\/12\/qatna-felix-schneider-300x300.avif 300w, https:\/\/prototal.info\/app\/uploads\/2025\/12\/qatna-felix-schneider-150x150.avif 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\">Felix Schneider, udviklingsingeni\u00f8r hos Qatna Medical<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-dominant-color=\"79797b\" data-has-transparency=\"false\" style=\"--dominant-color: #79797b;\" loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"480\" data-id=\"5208\" src=\"https:\/\/prototal.info\/app\/uploads\/2025\/12\/1zu1-stefan-radler.avif\" alt=\"\" class=\"wp-image-5208 not-transparent\" srcset=\"https:\/\/prototal.info\/app\/uploads\/2025\/12\/1zu1-stefan-radler.avif 480w, https:\/\/prototal.info\/app\/uploads\/2025\/12\/1zu1-stefan-radler-300x300.avif 300w, https:\/\/prototal.info\/app\/uploads\/2025\/12\/1zu1-stefan-radler-150x150.avif 150w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><figcaption class=\"wp-element-caption\">Stefan R\u00e4dler, leder af Additive Manufacturing hos 1zu1<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3D-print giver mange fordele &#8211; is\u00e6r til sm\u00e5 produktionsserier, som f.eks. inden for medicinsk teknologi.<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Hvad var den afg\u00f8rende faktor for Qatna Medical?<\/strong><\/h3>\n\n\n\n<p><strong>Felix Schneider:<\/strong> Ud fra et rent geometrisk og funktionelt synspunkt er h\u00e5ndtaget ideelt til 3D-printning. Under operationen kommer det i direkte kontakt med blodbanen. Kritikaliteten er derfor ret lav. Komponenterne skal derfor &#8220;kun&#8221; v\u00e6re lavet af biokompatibelt materiale og v\u00e6re steriliserbare. Certifikater fra leverand\u00f8ren, som f.eks. EN ISO 13485-certificering, er nyttige for godkendelsen. Det reducerer den bureaukratiske indsats og sparer v\u00e6rdifuld tid. Hvis disse krav er opfyldt &#8211; og det kan 1zu1 &#8211; er kvalitetsstyringen opfyldt. Springet fra konventionel produktion til 3D-print kr\u00e6ver dog stadig et par gode argumenter internt.       <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Hvad skulle det v\u00e6re?<\/strong><\/h3>\n\n\n\n<p><strong>Felix Schneider:<\/strong> Det hele skal v\u00e6re praktisk og sikkert. Gennempr\u00f8vede processer som f.eks. spr\u00f8jtest\u00f8bning nyder stor tillid. 3D-print skal stadig g\u00f8re sig fortjent til den tillid, og det kr\u00e6ver pionerer. Jeg t\u00e6nkte: En ung start-up og 3D-print passer godt sammen. 1zu1 har et godt omd\u00f8mme i Medical Valley Hechingen. S\u00e5 i 2022 tilmeldte jeg mig den todages workshop &#8220;Additive Manufacturing&#8221; i Dornbirn i \u00d8strig. Det var virkelig sp\u00e6ndende, den perfekte introduktion.      <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hvilken merv\u00e6rdi gav AM-workshoppen til projektet?<\/h3>\n\n\n\n<p><strong>Felix Schneider:<\/strong> Markus Schrittwieser (note: innovationschef hos 1zu1) tog sig god tid til at forklare teknologiens muligheder og begr\u00e6nsninger p\u00e5 en meget klar m\u00e5de. Derefter diskuterede vi den specifikke samling. For eksempel blev farvning hurtigt udelukket, fordi virkningerne p\u00e5 biokompatibiliteten stadig er for lidt kendt. Jeg satte virkelig pris p\u00e5 den \u00e5bne og \u00e6rlige tilgang. Senest p\u00e5 dette tidspunkt stod det klart for mig, at jeg ville lave h\u00e5ndtaget ved hj\u00e6lp af 3D-print. Det var det hele v\u00e6rd.     <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Hvad var kravene til byggeriet?<\/strong><\/h3>\n\n\n\n<p><strong>Felix Schneider:<\/strong> H\u00e5ndtaget best\u00e5r af seks individuelle dele, inklusive den todelte kerne med l\u00e5semekanismen. De skal se godt ud og f\u00f8les som h\u00f8j kvalitet. Sundhedspersonalet er trods alt vant til glatte overflader. Fra et rent teknisk synspunkt er det vigtigt, at alle seks komponenter passer t\u00e6t sammen, s\u00e5 kontakttrykket for kateterslangen er korrekt. Vi m\u00e5tte igennem et par iterationer for at opn\u00e5 den n\u00f8dvendige t\u00e6thed. Det var her, 3D-printning kom ind i billedet. Med denne v\u00e6rkt\u00f8jsfrie proces kan designet optimeres hurtigt og omkostningseffektivt. S\u00e5 snart \u00e6ndringen er tegnet, bliver den printet og testet igen. Denne fleksibilitet sparede os tid og penge. Et eksempel: I begyndelsen af 2025 optimerede vi designet igen. Det gav os mulighed for at forbedre den dimensionelle n\u00f8jagtighed og forkorte skyllekanalen. Det forenkler reng\u00f8ringen f\u00f8r montering i vores renrum.           <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hvilke andre fordele gav teknologien?<\/h3>\n\n\n\n<p><strong>Felix Schneider:<\/strong> Udefra er delene ret uanselige, men bag dem gemmer der sig ekstremt komplekse geometrier som indvendige gevind, undersk\u00e6ringer og smalle kanaler. Derudover er der betydelige forskelle i v\u00e6gtykkelse. Alt dette ville have v\u00e6ret meget vanskeligt at opn\u00e5 ved hj\u00e6lp af spr\u00f8jtest\u00f8bning &#8211; og ville have medf\u00f8rt h\u00f8je v\u00e6rkt\u00f8jsomkostninger og kompleks montering. 3D-print giver fuld geometrisk designfrihed. Det har vi udnyttet til fulde.    <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Hvad kan 1zu1 ellers hj\u00e6lpe med?<\/strong><\/h3>\n\n\n\n<p><strong>Stefan R\u00e4dler:<\/strong> Vores standard er renrumskvalitet, som vi ogs\u00e5 tilbyder inden for spr\u00f8jtest\u00f8bning. For at opn\u00e5 dette samarbejder vi med en ekstern partner. De renser alle komponenter og sender dem tilbage til os i dobbeltpakning. Med ISO 13485-certificeringen, som er s\u00e6rlig relevant for medicinske produkter, har vi taget endnu et vigtigt skridt fremad. Qatna Medical k\u00f8ber ogs\u00e5 ni spr\u00f8jtest\u00f8bte dele hos os. Vi tilbyder derfor den fulde plastpakke som en effektiv hybridl\u00f8sning. Den rette proces bestemmes ud fra emnernes anvendelse og krav.      <\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Hvad er det n\u00e6ste skridt?<\/strong><\/h3>\n\n\n\n<p><strong>Felix Schneider:<\/strong> Med det endelige design af leveringssystemet g\u00e5r vi nu i gang med verifikation og validering. Vi skal bruge omkring 2.000 enheder til tr\u00e6k-, korrosions- og l\u00e6kagetest i de kommende m\u00e5neder. Hvis alt g\u00e5r glat, f\u00f8lger de kliniske unders\u00f8gelser og godkendelsesprocessen.  <\/p>\n\n\n\n<p><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>1zu1 t\u00e6nker sammen med os. Gode forslag, \u00e6rlig, \u00e5ben kommunikation og personlige m\u00f8der g\u00f8r det lettere for os at implementere vores ideer og designs. Denne service var en ny oplevelse for mig som udvikler. Det er pr\u00e6cis s\u00e5dan, jeg forestiller mig, at en l\u00f8sningsorienteret produktionspartner skal v\u00e6re.   <br><strong>&#8211; Felix Schneider, udviklingsingeni\u00f8r hos Qatna Medical GmbH<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p><em>I samtale: Felix Schneider er udviklingsingeni\u00f8r hos Qatna Medical, hvor han er ansvarlig for alle plastkomponenter. Hos 1zu1 sikrer projektleder Stefan R\u00e4dler en problemfri implementering af de 3D-printede dele. Joshua K\u00f6b gennemf\u00f8rte interviewet<\/em>.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qatna Medical lukker det venstre atriale vedh\u00e6ng med et implantat for at beskytte mod slagtilf\u00e6lde. Operationen lykkes takket v\u00e6re h\u00e5ndtaget, der er fremstillet af additivt fremstillede plastkomponenter fra vores \u00f8strigske site 1zu1scale. Disse komponenter markerer en milep\u00e6l for industriel 3D print og den medicinske sektor: Det er nu muligt at fremstille steriliserbare, produktionsklare og lovpligtige [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":20361,"comment_status":"open","ping_status":"closed","template":"","categories":[237,173],"class_list":["post-11189","case_studies","type-case_studies","status-publish","has-post-thumbnail","hentry","category-industriel-3d-print","category-medical-applications"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Reduceret risiko for slagtilf\u00e6lde ved hj\u00e6lp af 3D Print | Prototal<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/prototal.info\/dk\/cases\/qatna\/\" \/>\n<meta property=\"og:locale\" content=\"da_DK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reduceret risiko for slagtilf\u00e6lde ved hj\u00e6lp af 3D Print | Prototal\" \/>\n<meta property=\"og:description\" content=\"Qatna Medical lukker det venstre atriale vedh\u00e6ng med et implantat for at beskytte mod slagtilf\u00e6lde. Operationen lykkes takket v\u00e6re h\u00e5ndtaget, der er fremstillet af additivt fremstillede plastkomponenter fra vores \u00f8strigske site 1zu1scale. 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Operationen lykkes takket v\u00e6re h\u00e5ndtaget, der er fremstillet af additivt fremstillede plastkomponenter fra vores \u00f8strigske site 1zu1scale. Disse komponenter markerer en milep\u00e6l for industriel 3D print og den medicinske sektor: Det er nu muligt at fremstille steriliserbare, produktionsklare og lovpligtige [&hellip;]","og_url":"https:\/\/prototal.info\/dk\/cases\/qatna\/","og_site_name":"Prototal","article_modified_time":"2026-03-12T20:10:25+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/prototal.info\/dk\/cases\/qatna\/","url":"https:\/\/prototal.info\/dk\/cases\/qatna\/","name":"Reduceret risiko for slagtilf\u00e6lde ved hj\u00e6lp af 3D Print | Prototal","isPartOf":{"@id":"https:\/\/prototal.info\/dk\/#website"},"primaryImageOfPage":{"@id":"https:\/\/prototal.info\/dk\/cases\/qatna\/#primaryimage"},"image":{"@id":"https:\/\/prototal.info\/dk\/cases\/qatna\/#primaryimage"},"thumbnailUrl":"https:\/\/prototal.info\/app\/uploads\/2025\/12\/qatna_i.avif","datePublished":"2026-01-08T07:17:56+00:00","dateModified":"2026-03-12T20:10:25+00:00","breadcrumb":{"@id":"https:\/\/prototal.info\/dk\/cases\/qatna\/#breadcrumb"},"inLanguage":"da-DK","potentialAction":[{"@type":"ReadAction","target":["https:\/\/prototal.info\/dk\/cases\/qatna\/"]}]},{"@type":"ImageObject","inLanguage":"da-DK","@id":"https:\/\/prototal.info\/dk\/cases\/qatna\/#primaryimage","url":"https:\/\/prototal.info\/app\/uploads\/2025\/12\/qatna_i.avif","contentUrl":"https:\/\/prototal.info\/app\/uploads\/2025\/12\/qatna_i.avif","width":1600,"height":1200},{"@type":"BreadcrumbList","@id":"https:\/\/prototal.info\/dk\/cases\/qatna\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/prototal.info\/dk\/"},{"@type":"ListItem","position":2,"name":"Case Studies","item":"https:\/\/prototal.info\/dk\/cases\/"},{"@type":"ListItem","position":3,"name":"Reduceret risiko for slagtilf\u00e6lde ved hj\u00e6lp af 3D Print"}]},{"@type":"WebSite","@id":"https:\/\/prototal.info\/dk\/#website","url":"https:\/\/prototal.info\/dk\/","name":"Prototal","description":"From one to one million","publisher":{"@id":"https:\/\/prototal.info\/dk\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/prototal.info\/dk\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"da-DK"},{"@type":"Organization","@id":"https:\/\/prototal.info\/dk\/#organization","name":"Prototal","url":"https:\/\/prototal.info\/dk\/","logo":{"@type":"ImageObject","inLanguage":"da-DK","@id":"https:\/\/prototal.info\/dk\/#\/schema\/logo\/image\/","url":"https:\/\/prototal.info\/app\/uploads\/2026\/03\/yoast-seo-default-logo.avif","contentUrl":"https:\/\/prototal.info\/app\/uploads\/2026\/03\/yoast-seo-default-logo.avif","width":696,"height":696,"caption":"Prototal"},"image":{"@id":"https:\/\/prototal.info\/dk\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/prototal.info\/dk\/wp-json\/wp\/v2\/case_studies\/11189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prototal.info\/dk\/wp-json\/wp\/v2\/case_studies"}],"about":[{"href":"https:\/\/prototal.info\/dk\/wp-json\/wp\/v2\/types\/case_studies"}],"author":[{"embeddable":true,"href":"https:\/\/prototal.info\/dk\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/prototal.info\/dk\/wp-json\/wp\/v2\/comments?post=11189"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prototal.info\/dk\/wp-json\/wp\/v2\/media\/20361"}],"wp:attachment":[{"href":"https:\/\/prototal.info\/dk\/wp-json\/wp\/v2\/media?parent=11189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prototal.info\/dk\/wp-json\/wp\/v2\/categories?post=11189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}