{"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":"2025-08-07T10:55:10","modified_gmt":"2025-08-07T14:55:10","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 ist ein spezieller Mechanismus, der in Penisprothesenreservoirs integriert ist und dazu dient, ein automatisches Aufblasen zu verhindern. Dabei handelt es sich um die unbeabsichtigte \u00dcbertragung von Fl\u00fcssigkeit aus dem Reservoir auf die Zylinder, was zu einem unerw\u00fcnschten Aufblasen der Zylinder f\u00fchrt.<span class=\"superscript\">1<\/span> Das Ventil funktioniert, indem es eine mechanische Barriere schafft, die eine Fl\u00fcssigkeitsmigration unter normalen physiologischen Dr\u00fccken verhindert und gleichzeitig ein absichtliches Aufblasen erm\u00f6glicht, wenn die Pumpe aktiviert ist.<span class=\"superscript\">2<\/span> Diese Innovation reduziert das Auftreten von Autoinflation, eine l\u00e4stige Komplikation, die durch pr\u00e4vesikale Narbenbildung nach radikaler Prostatektomie oder anderen Beckenoperationen verst\u00e4rkt 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):1475-1478. DOI: 10.1097\/01.ju.0000030005.29170.c2\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 wird haupts\u00e4chlich in dreiteiligen aufblasbaren Penisprothesen zur Behandlung von erektiler Dysfunktion verwendet.<span class=\"superscript\">1<\/span> Diese Innovation wurde erstmals im Jahr 2000 im Reservoir des Mentor Alpha 1-Ger\u00e4ts eingef\u00fchrt (Mentor Corporation, Santa Barbara, CA, USA, sp\u00e4ter von Coloplast Corporation \u00fcbernommen).<span class=\"superscript\">3<\/span><\/p>\n \n <p>Die klinische Bedeutung des Sperrventils wird besonders deutlich bei Patienten mit einem vernarbten retropubischen Raum, wie z. B. solchen, die sich einer radikalen Prostatektomie, Zystektomie oder Strahlentherapie unterzogen haben.<span class=\"superscript\">2<\/span> Bei diesen Patienten bietet das Sperrventil dem Penisimplantatchirurgen eine geringere Wahrscheinlichkeit einer automatischen Inflation bei Platzierung des ektopischen Reservoirs.<span class=\"superscript\">1<\/span><\/p>\n \n <p>Vor der Einf\u00fchrung von Lock-out-Ventilen wurde in etwa 11\u00a0% der F\u00e4lle \u00fcber eine Autoinflation berichtet, wobei 2\u00a0% eine chirurgische Revision erforderten.<span class=\"superscript\">1<\/span> Studien haben gezeigt, dass die Einf\u00fchrung von Lock-out-Ventilen die Inzidenz von Autoinflation auf 1,3\u20133\u00a0% reduziert hat.<span class=\"superscript\">1,3<\/span> In einer Vergleichsstudie klagten nur 2 Patienten (1,3\u00a0%) mit einem Lock-out-Ventil dar\u00fcber Zun\u00e4chst kam es zu einer automatischen Aufblasfunktion, und das Problem l\u00f6ste sich jeweils nach der Einweisung in die Bedienung des Ger\u00e4ts, im Vergleich zu 11\u00a0% der Patienten mit Standardreservoirs, bei denen eine automatische Aufblasfunktion auftrat.<span class=\"superscript\">1<\/span><\/p>\n \n <p>Die Entwicklung von Sperrventilen hat auch die Weiterentwicklung von ARP-Techniken (Alternate Reservoir Placement) erm\u00f6glicht, da sie einen h\u00f6heren Umgebungsdruck auf das System erm\u00f6glichen, ohne dass es zu einer Selbstinflation kommt.<span class=\"superscript\">3<\/span> Dies hat die chirurgischen M\u00f6glichkeiten erweitert, insbesondere f\u00fcr Patienten mit feindseliger 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":48},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Sperrventil (Lock-Out Valve)<\/title>\n<meta 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