{"id":7197,"date":"2026-06-01T13:04:06","date_gmt":"2026-06-01T10:04:06","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/trou-de-fraise\/"},"modified":"2026-06-25T12:14:02","modified_gmt":"2026-06-25T09:14:02","slug":"trou-de-fraise","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossaire\/trou-de-fraise\/","title":{"rendered":"Trou de fraise"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Un trou de fraise (du fr. <em>fraise<\/em> \u2014 outil pour couper, percer et de l&rsquo;anglais <em>burr hole<\/em> \u2014 trou perc\u00e9) est un petit trou strictement rond dans les os du cr\u00e2ne, form\u00e9 par un neurochirurgien \u00e0 l&rsquo;aide d&rsquo;une perceuse m\u00e9dicale sp\u00e9ciale. Il est un composant fondamental pour l&rsquo;acc\u00e8s neurochirurgical.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x44D;&#x442;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;-&#x438;-&#x43F;&#x430;&#x442;&#x43E;&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\"><strong>\u00c9tiologie et physiopathologie<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Ce trou sert comme premi\u00e8re \u00e9tape de la formation d&rsquo;une craniotomie ou comme \u00e9tape d&rsquo;acc\u00e8s ind\u00e9pendant lors d&rsquo;une chirurgie endoscopique minimalement invasive. Le diam\u00e8tre de ce trou est g\u00e9n\u00e9ralement de 10 \u00e0 15 mm.<\/p>\n\n<p class=\"wp-block-paragraph\">Pour le cr\u00e9er, des tr\u00e9panations pneumatiques ou \u00e9lectriques automatiques sont utilis\u00e9es. L&rsquo;instrument est \u00e9quip\u00e9 d&rsquo;un dispositif de s\u00e9curit\u00e9 sp\u00e9cial (embrayage) : d\u00e8s que la perceuse traverse la partie diplo\u00efque de l&rsquo;os et touche la plaque corticale interne, elle s&rsquo;arr\u00eate instantan\u00e9ment. Cela \u00e9limine compl\u00e8tement le risque de blessure accidentelle de la dure-m\u00e8re et du cerveau.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43A;&#x43B;&#x438;&#x43D;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x437;&#x43D;&#x430;&#x447;&#x435;&#x43D;&#x438;&#x435;\"><strong>Importance clinique<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Dans la neurochirurgie moderne, le trou de fraise comme \u00e9tape d&rsquo;acc\u00e8s ind\u00e9pendante est le standard d&rsquo;excellence pour le traitement chirurgical des h\u00e9matomes sous-duraux chroniques. Comme un ancien h\u00e9matome \u00e9quivaut \u00e0 du sang liqu\u00e9fi\u00e9, il ne peut \u00eatre \u00e9vacu\u00e9 qu&rsquo;avec l&rsquo;utilisation d&rsquo;un petit trou de fraise. Le m\u00e9decin effectue un ou deux trous de fraise, ouvre la dure-m\u00e8re et rince le sang liquide avec une solution saline chaude, puis installe un drain fin.<\/p>\n\n<p class=\"wp-block-paragraph\">De plus, les trous de fraise sont utilis\u00e9s pour le drainage d&rsquo;urgence du liquide c\u00e9phalo-rachidien (pose d&rsquo;un drainage ventriculaire), l&rsquo;installation de capteurs de pression intracr\u00e2nienne et la biopsie de tumeurs c\u00e9r\u00e9brales profondes. La plaie est sutur\u00e9e avec un ou deux points, et le d\u00e9faut osseux est ensuite combl\u00e9 par du tissu cicatriciel dense ou ferm\u00e9 avec une petite plaque de titane.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trou de fraise (du fr. <em>fraise<\/em> \u2014 outil pour couper, percer et de l&rsquo;anglais <em>burr hole<\/em> \u2014 trou perc\u00e9) \u2014 c&rsquo;est un petit trou strictement rond dans les os du cr\u00e2ne, form\u00e9 par un neurochirurgien \u00e0 l&rsquo;aide d&rsquo;une perceuse m\u00e9dicale sp\u00e9ciale. C&rsquo;est un \u00e9l\u00e9ment fondamental d&rsquo;acc\u00e8s dans la neurochirurgie.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-7197","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Trou de fraise : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Trou de fraise (du fr. fraise \u2014 outil pour couper, percer et de l&#039;anglais burr hole \u2014 trou perc\u00e9) \u2014 c&#039;est un petit trou strictement rond dans les os du cr\u00e2ne, form\u00e9 par un neurochirurgien \u00e0 l&#039;aide d&#039;une perceuse m\u00e9dicale sp\u00e9ciale. 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