{"id":11924,"date":"2025-08-07T10:55:10","date_gmt":"2025-08-07T14:55:10","guid":{"rendered":"https:\/\/www.rigicon.com\/glossary-term\/lock-out-valve\/"},"modified":"2026-10-07T01:11:19","modified_gmt":"2026-10-07T05:11:19","slug":"sperrventil-lock-out-valve","status":"publish","type":"glossary-term","link":"https:\/\/www.rigicon.com\/de\/glossary-term\/sperrventil-lock-out-valve\/","title":{"rendered":"Sperrventil (Lock-Out Valve)"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","glossary-category":[117],"glossary-product":[104,105],"class_list":["post-11924","glossary-term","type-glossary-term","status-publish","hentry","glossary-category-prosthetic-implants","glossary-product-infla10-pulse-ipp-series","glossary-product-rigi10-malleable-penile-prosthesis"],"acf":{"gt-definition":"<p>Ein Sperrventil (Lock-out-Ventil) ist ein spezieller, in die Reservoirs von Penisprothesen integrierter Mechanismus, der eine Autoinflation verhindern soll, also den unbeabsichtigten \u00dcbertritt von Fl\u00fcssigkeit aus dem Reservoir in die Zylinder, der zu einem unerw\u00fcnschten Aufpumpen der Zylinder f\u00fchrt.<span class=\"superscript\">1<\/span> Das Ventil wirkt, indem es eine mechanische Barriere bildet, die eine Fl\u00fcssigkeitsverschiebung bei normalen physiologischen Dr\u00fccken verhindert, ein beabsichtigtes Aufpumpen bei Bet\u00e4tigung der Pumpe jedoch weiterhin zul\u00e4sst.<span class=\"superscript\">2<\/span> Diese Innovation verringert das Auftreten einer Autoinflation erheblich, einer st\u00f6renden Komplikation, die durch pr\u00e4vesikale Narbenbildung nach radikaler Prostatektomie oder anderen Beckenoperationen beg\u00fcnstigt werden kann.<span class=\"superscript\">3<\/span><\/p>","gt-synonyms":"Sperrventil-Reservoir, Reservoir-Sperrventil, Anti-Autoinflation-Ventil, Autoinflation-Verhinderungsventil","gt-citation":"[1] Wilson SK, Henry GD, Delk JR, Cleves MA. The Mentor Alpha 1 Penile Prosthesis With Reservoir Lock-out Valve: Effective Prevention of Auto-inflation With Improved Capability For Ectopic Reservoir Placement. J Urol. 2002;168(4 Pt 1):1475-1478. DOI: 10.1016\/S0022-5347(05)64477-1. PMID: 12352421\n\n[2] Hollenbeck BK, Miller DC, Ohl DA. The utility of lockout valve reservoirs in preventing autoinflation in penile prostheses. Int Urol Nephrol. 2002;34(3):379-83. DOI: 10.1023\/a:1024439705539\n\n[3] Ivan S, Pryor J, Maffucci F, Simhan J. Reservoir placement options: a state of the art review. Int J Impot Res. 2025. DOI: 10.1038\/s41443-025-01082-x","gt-clinical-context":"<p>Das Sperrventil (Lock-out-Ventil) wird haupts\u00e4chlich in dreiteiligen aufblasbaren Penisprothesen zur Behandlung der erektilen Dysfunktion eingesetzt.<span class=\"superscript\">1<\/span> Diese Innovation wurde erstmals im Jahr 2000 im Reservoir einer dreiteiligen aufblasbaren Penisprothese eingef\u00fchrt.<span class=\"superscript\">3<\/span><\/p>\n    \n    <p>Die klinische Bedeutung des Sperrventils zeigt sich besonders bei Patienten mit vernarbtem retropubischem Raum, etwa nach radikaler Prostatektomie, Zystektomie oder Strahlentherapie.<span class=\"superscript\">2<\/span> Bei diesen Patienten bietet das Sperrventil dem Implantationschirurgen bei ektoper Reservoirplatzierung eine geringere Wahrscheinlichkeit einer Autoinflation.<span class=\"superscript\">1<\/span><\/p>\n    \n    <p>Vor der Einf\u00fchrung von Sperrventilen wurde eine Autoinflation in etwa 11 % der F\u00e4lle berichtet, wobei 2 % eine operative Revision erforderten.<span class=\"superscript\">1<\/span> Studien haben gezeigt, dass der Einsatz von Sperrventilen die H\u00e4ufigkeit der Autoinflation auf 1,3\u20133 % gesenkt hat.<span class=\"superscript\">1,3<\/span> In einer Vergleichsstudie klagten anf\u00e4nglich nur 2 Patienten (1,3 %) mit Sperrventil \u00fcber eine Autoinflation, und das Problem verschwand bei jedem von ihnen nach einer Einweisung in die Bedienung des Implantats; demgegen\u00fcber trat bei 11 % der Patienten mit Standardreservoirs eine Autoinflation auf.<span class=\"superscript\">1<\/span><\/p>\n    \n    <p>Die Entwicklung von Sperrventilen hat zudem die Weiterentwicklung von Techniken der alternativen Reservoirplatzierung (ARP) erm\u00f6glicht, da sie einen h\u00f6heren Umgebungsdruck auf das System zulassen, ohne eine Autoinflation auszul\u00f6sen.<span class=\"superscript\">3<\/span> Dadurch haben sich die operativen M\u00f6glichkeiten erweitert, insbesondere f\u00fcr Patienten mit ung\u00fcnstiger (\u201efeindlicher\u201c) Beckenanatomie oder fr\u00fcheren Beckenoperationen.<span class=\"superscript\">3<\/span><\/p>","gt-related-evidence":null,"gt-featured":true,"gt-ai-referenced":false,"gt-view-count":76},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.6 (Yoast SEO v28.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Sperrventil (Lock-Out Valve)<\/title>\n<meta name=\"description\" content=\"Das Sperrventil (Lock-Out Valve) im Reservoir einer Penisprothese verhindert eine unbemerkte Spontanf\u00fcllung und sorgt f\u00fcr mehr Patientensicherheit.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rigicon.com\/de\/glossary-term\/sperrventil-lock-out-valve\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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