{"id":24781,"date":"2019-02-22T00:23:37","date_gmt":"2019-02-22T05:23:37","guid":{"rendered":"http:\/\/www.stepwards.com\/?page_id=24781"},"modified":"2025-03-21T21:59:57","modified_gmt":"2025-03-22T01:59:57","slug":"basic-conversions-and-measurements-in-interventional-radiology","status":"publish","type":"page","link":"https:\/\/www.stepwards.com\/?page_id=24781","title":{"rendered":"Basic Conversions And Measurements In Interventional Radiology"},"content":{"rendered":"<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">Page Contents<\/p><ul class=\"toc_list\"><li><a href=\"#OVERVIEW\"><span class=\"toc_number toc_depth_1\">1<\/span> OVERVIEW<\/a><\/li><li><a href=\"#NEEDLE_DIAMETERS_MEASUREED_IN_GAUGES\"><span class=\"toc_number toc_depth_1\">2<\/span> NEEDLE DIAMETERS: MEASUREED IN GAUGES<\/a><\/li><li><a href=\"#WIRE_DIAMETER_MEASURED_IN_INCHES\"><span class=\"toc_number toc_depth_1\">3<\/span> WIRE DIAMETER: MEASURED IN INCHES<\/a><\/li><li><a href=\"#CATHETER_AND_SHEATH_DIAMETERS_MEASURED_IN_FRENCH_F\"><span class=\"toc_number toc_depth_1\">4<\/span> CATHETER AND SHEATH DIAMETERS: MEASURED IN FRENCH (F)<\/a><\/li><\/ul><\/div>\n<h5><span id=\"OVERVIEW\"><span style=\"text-decoration: underline;\">OVERVIEW<\/span><\/span><\/h5>\n<p>This page will quickly go over some basic measurements and conversions that are relevant to the field of interventional radiology (and help better appreciate various types of equipment that are used in interventional radiology).<\/p>\n<h5><span id=\"NEEDLE_DIAMETERS_MEASUREED_IN_GAUGES\"><span style=\"text-decoration: underline;\">NEEDLE DIAMETERS: MEASUREED IN GAUGES<\/span><\/span><\/h5>\n<p>The gauge of a needle refers to its diameter. The lower the gauge the larger the needle diameter (i.e an 18 gauge needle will be larger then a 25 gauge needle). Some important things to remember are:<\/p>\n<ul>\n<li>A 22 gauge needle is the smallest that can be used for a 0.018 inch diameter wire<\/li>\n<li>A 18 gauge needle is the smallest that can be used for a 0.035 inch diameter wire<\/li>\n<\/ul>\n<p><strong>It is important to note that needles are color\u00a0coordinated to indicate their size.\u00a0<\/strong><\/p>\n<figure id=\"attachment_24788\" aria-describedby=\"caption-attachment-24788\" style=\"width: 862px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.stepwards.com\/wp-content\/uploads\/2019\/02\/8fdfa1fba5bce27d7060e1d9988f90cf.jpg\"><img loading=\"lazy\" class=\" wp-image-24788\" src=\"http:\/\/www.stepwards.com\/wp-content\/uploads\/2019\/02\/8fdfa1fba5bce27d7060e1d9988f90cf.jpg\" alt=\"\" width=\"872\" height=\"872\" srcset=\"https:\/\/www.stepwards.com\/wp-content\/uploads\/2019\/02\/8fdfa1fba5bce27d7060e1d9988f90cf.jpg 1500w, https:\/\/www.stepwards.com\/wp-content\/uploads\/2019\/02\/8fdfa1fba5bce27d7060e1d9988f90cf-150x150.jpg 150w, https:\/\/www.stepwards.com\/wp-content\/uploads\/2019\/02\/8fdfa1fba5bce27d7060e1d9988f90cf-300x300.jpg 300w, https:\/\/www.stepwards.com\/wp-content\/uploads\/2019\/02\/8fdfa1fba5bce27d7060e1d9988f90cf-768x768.jpg 768w, https:\/\/www.stepwards.com\/wp-content\/uploads\/2019\/02\/8fdfa1fba5bce27d7060e1d9988f90cf-1024x1024.jpg 1024w\" sizes=\"(max-width: 872px) 100vw, 872px\" \/><\/a><figcaption id=\"caption-attachment-24788\" class=\"wp-caption-text\">Colors are used to designate different gauges of needles (<a href=\"https:\/\/www.google.com\/url?sa=i&amp;rct=j&amp;q=&amp;esrc=s&amp;source=images&amp;cd=&amp;ved=2ahUKEwiAs9O8z87gAhWP-VQKHWlUCt8QjRx6BAgBEAU&amp;url=https%3A%2F%2Fwww.pinterest.com%2Fpin%2F512354895103700398%2F&amp;psig=AOvVaw2aY5xBiAxJhu-G-FGQs0hF&amp;ust=1550900162007577\">image source<\/a>).<\/figcaption><\/figure>\n<h5><span id=\"WIRE_DIAMETER_MEASURED_IN_INCHES\"><span style=\"text-decoration: underline;\">WIRE DIAMETER: MEASURED IN INCHES<\/span><\/span><\/h5>\n<p>There are two sizes of wires that are used in interventional radiology:<\/p>\n<ul>\n<li>0.018 wires (0.018 inches in diameter)<\/li>\n<li>0.035 wires (0.035 inches in diameter)<\/li>\n<\/ul>\n<div class=\"page\" title=\"Page 4\">\n<div class=\"section\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<h5><span id=\"CATHETER_AND_SHEATH_DIAMETERS_MEASURED_IN_FRENCH_F\"><span style=\"text-decoration: underline;\">CATHETER AND SHEATH DIAMETERS: MEASURED IN FRENCH (F)<\/span><\/span><\/h5>\n<p>The diameter of both catheters and sheaths used in interventional radiology are measured in French (F). Important conversions include:<\/p>\n<ul>\n<li>1 F = 1\/3 mm<\/li>\n<li>1F = 0.013 inch<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<pre>Page Updated: 02.21.2019<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Page Contents1 OVERVIEW2 NEEDLE DIAMETERS: MEASUREED IN GAUGES3 WIRE DIAMETER: MEASURED IN INCHES4 CATHETER AND SHEATH DIAMETERS: MEASURED IN FRENCH (F) OVERVIEW This page will quickly go over some basic measurements and conversions that are relevant to the field of interventional radiology (and help better appreciate various types of equipment that are used in interventional &#8230; <a title=\"Basic Conversions And Measurements In Interventional Radiology\" class=\"read-more\" href=\"https:\/\/www.stepwards.com\/?page_id=24781\" aria-label=\"More on Basic Conversions And Measurements In Interventional Radiology\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_mi_skip_tracking":false},"jetpack_shortlink":"https:\/\/wp.me\/P71awf-6rH","_links":{"self":[{"href":"https:\/\/www.stepwards.com\/index.php?rest_route=\/wp\/v2\/pages\/24781"}],"collection":[{"href":"https:\/\/www.stepwards.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.stepwards.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.stepwards.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stepwards.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=24781"}],"version-history":[{"count":6,"href":"https:\/\/www.stepwards.com\/index.php?rest_route=\/wp\/v2\/pages\/24781\/revisions"}],"predecessor-version":[{"id":25581,"href":"https:\/\/www.stepwards.com\/index.php?rest_route=\/wp\/v2\/pages\/24781\/revisions\/25581"}],"wp:attachment":[{"href":"https:\/\/www.stepwards.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}