{"id":114568,"date":"2026-09-02T12:03:47","date_gmt":"2026-09-02T12:03:47","guid":{"rendered":"https:\/\/vet.solutions\/?p=114568"},"modified":"2026-09-14T08:28:16","modified_gmt":"2026-09-14T08:28:16","slug":"news-veterinary-endoscopy-fundamentals","status":"publish","type":"post","link":"https:\/\/vet.solutions\/en\/2026\/09\/news-veterinary-endoscopy-fundamentals\/","title":{"rendered":"Veterinary Endoscopy Fundamentals"},"content":{"rendered":"\n<p class=\"wp-block-yoast-seo-estimated-reading-time yoast-reading-time__wrapper\"><span class=\"yoast-reading-time__icon\"><svg aria-hidden=\"true\" focusable=\"false\" data-icon=\"clock\" width=\"20\" height=\"20\" fill=\"none\" stroke=\"currentColor\" style=\"display:inline-block;vertical-align:-0.1em\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 24 24\"><path stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z\"><\/path><\/svg><\/span><span class=\"yoast-reading-time__spacer\" style=\"display:inline-block;width:1em\"><\/span><span class=\"yoast-reading-time__descriptive-text\">Estimated reading time: <\/span><span class=\"yoast-reading-time__reading-time\">7<\/span><span class=\"yoast-reading-time__time-unit\"> minutes<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 id=\"h-handpiece-controls-and-what-they-do-nbsp\" class=\"wp-block-heading\">Handpiece controls and what they do&nbsp;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 id=\"h-why-is-it-important-to-understand-the-handpiece-controls-on-an-endoscope-nbsp\" class=\"wp-block-heading\"><strong>Why is it important to understand the handpiece controls on an endoscope?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Having a sound knowledge of the controls on an endoscope handpiece is not just essential for <strong>procedural efficiency<\/strong> and <strong>endoscope longevity<\/strong>, but most importantly is vital for <strong>patient safety<\/strong>, reducing the risk of significant tissue injury.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Familiarity with the handpiece controls allows for:&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Safe and confident navigation through the region of the body being assessed&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Accurate identification and localisation of pathology&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Precise tissue sampling\/treatment and foreign body retrieval&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rapid and successful troubleshooting e.g. to improve visibility&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Minimised risk of damage to the endoscope, particularly the insertion tube&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 id=\"h-what-types-of-endoscopes-are-there-and-what-is-the-endoscope-handpiece-nbsp\" class=\"wp-block-heading\"><strong>What types of endoscopes are there and what is the endoscope handpiece?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are two main types of manual endoscope \u2013 the <strong>flexible endoscope<\/strong> and the <strong>rigid endoscope<\/strong>. This article aims to give an overview of the common controls on a <strong>flexible endoscope<\/strong> <strong>handpiece<\/strong> and what they are used for.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Flexible endoscopes can be further categorised as video endoscopes (videoscopes) or fibreoptic endoscopes (fibrescopes). Though there are differences between the two types of flexible endoscope, all flexible endoscopes have <strong>three main components<\/strong> (see image below):&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"856\" height=\"726\" src=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/Image-1-labelled-flexible-videoscope.png\" alt=\"\" class=\"wp-image-114593\" style=\"aspect-ratio:1.1790714812085483;width:558px;height:auto\" srcset=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/Image-1-labelled-flexible-videoscope.png 856w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/Image-1-labelled-flexible-videoscope-300x254.png 300w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/Image-1-labelled-flexible-videoscope-768x651.png 768w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/Image-1-labelled-flexible-videoscope-295x250.png 295w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/Image-1-labelled-flexible-videoscope-600x509.png 600w\" sizes=\"auto, (max-width: 856px) 100vw, 856px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Flexible videoscope showing the three main components:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>The handpiece (circled in blue)<\/strong>&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The insertion tube (circled in orange)&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The umbilical cord (circled in green)&nbsp;<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 id=\"h-what-do-the-endoscope-handpiece-controls-do-nbsp\" class=\"wp-block-heading\"><strong>What do the endoscope handpiece controls do?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The endoscope handpiece contains the <strong>core controls<\/strong> used to <strong>steer the distal tip<\/strong> (the end of the insertion tube where the lens(es), light guide(s), accessory and insufflation channels reside), <strong>manage fluid and gas flow<\/strong>, and <strong>capture images<\/strong> during an endoscopic procedure.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The images below show the key controls situated upon the handpiece of a multiplane gastroscope capable of four-way distal tip angulation, with a table detailing their function and operation.&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"432\" height=\"358\" src=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-4.png\" alt=\"\" class=\"wp-image-114585\" srcset=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-4.png 432w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-4-300x249.png 300w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-4-302x250.png 302w\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"281\" height=\"425\" src=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-3.png\" alt=\"\" class=\"wp-image-114581\" srcset=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-3.png 281w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-3-198x300.png 198w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-3-165x250.png 165w\" sizes=\"auto, (max-width: 281px) 100vw, 281px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"291\" height=\"273\" src=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-1.png\" alt=\"\" class=\"wp-image-114573\" srcset=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-1.png 291w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-1-266x250.png 266w\" sizes=\"auto, (max-width: 291px) 100vw, 291px\" \/><\/figure>\n\n\n\n<h3 id=\"h-how-is-the-endoscope-navigated-nbsp\" class=\"wp-block-heading\"><strong>How is the endoscope navigated?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Different flexible endoscopes exist, with varying angulation ranges; for example, some smaller diameter endoscopes, such as biplane bronchoscopes, will only have two deflection angles (up and down) compared to multiplane gastroscopes with four deflection angles (up, down, left and right).&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"463\" height=\"357\" src=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-2.png\" alt=\"\" class=\"wp-image-114577\" srcset=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-2.png 463w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-2-300x231.png 300w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-2-324x250.png 324w\" sizes=\"auto, (max-width: 463px) 100vw, 463px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The two angulation dials (1 and 2) allow movement of the distal tip in vertical and horizontal planes; the inner, larger dial (1) controls upward and downward motion, whilst the outer, smaller dial (2), when present, controls movement of the tip to the left and right.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Maximal deflection in any of the vertical or horizontal directions may result in the distal tip \u201clooking\u201d back towards the handpiece\/operator.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"357\" height=\"210\" src=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image.png\" alt=\"\" class=\"wp-image-114569\" srcset=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image.png 357w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-300x176.png 300w\" sizes=\"auto, (max-width: 357px) 100vw, 357px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Both the inner and outer dials have locking functions (3 and 4), allowing the desired angulation position to be fixed and maintained by the operator until unlocked. This negates the need for maintenance of constant finger pressure and prevents inadvertent deflection during the endoscopic procedure, but it is important to remember that the lock\/brake is in place, as attempts to alter the angulation of the distal tip whilst locked, may result in considerable damage to the endoscope.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It should be noted that when the endoscope insertion tube is in situ it can be challenging to maintain in the starting directional plane. As such, despite best efforts, angulation may not correspond to the anticipated direction.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"603\" height=\"317\" src=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-5.png\" alt=\"\" class=\"wp-image-114589\" srcset=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-5.png 603w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-5-300x158.png 300w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-5-376x198.png 376w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/image-5-600x315.png 600w\" sizes=\"auto, (max-width: 603px) 100vw, 603px\" \/><\/figure>\n\n\n\n<h3 id=\"h-are-there-other-handpiece-controls-besides-tip-angulation-nbsp\" class=\"wp-block-heading\"><strong>Are there other handpiece controls besides tip angulation?<\/strong>&nbsp;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are two valves for managing fluids and air; the suction valve (6) and the air\/water valve (7). Appropriate use of these aids visibility during endoscopic procedures, either through cleaning the lenses, or providing insufflation.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The handpiece contains a channel (8) with associated valve (9), whereby appropriate instruments can be inserted and passed through the endoscope insertion tube to beyond the tube tip, or a syringe can be attached to aid suction or fluid instillation. The valve should be closed when not in use, to prevent debris entering and to preserve the channel\u2019s longevity. It is important to ensure that instruments are closed or fully sheathed before passing through the insertion tube, to avoid damage to the accessory channel. Additionally, when instruments are introduced, the angulation dials should not be operated, as the distal tip should not be deflected during this time.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Flexible endoscope handpieces often include programmable buttons (5 is an example of this); the function can be allocated using the endoscope imaging processor and is often set to capture photos, record video, freeze frames, or switch imaging modes.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"775\" height=\"1011\" src=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/Table-1-Endoscope-Handpiece-Controls-image.png\" alt=\"functions and operations\" class=\"wp-image-114868\" srcset=\"https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/Table-1-Endoscope-Handpiece-Controls-image.png 775w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/Table-1-Endoscope-Handpiece-Controls-image-230x300.png 230w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/Table-1-Endoscope-Handpiece-Controls-image-768x1002.png 768w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/Table-1-Endoscope-Handpiece-Controls-image-192x250.png 192w, https:\/\/vet.solutions\/wp-content\/uploads\/2026\/09\/Table-1-Endoscope-Handpiece-Controls-image-600x783.png 600w\" sizes=\"auto, (max-width: 775px) 100vw, 775px\" \/><\/figure>\n\n\n\n<h4 id=\"h-summary-nbsp\" class=\"wp-block-heading\"><strong>Summary<\/strong>&nbsp;<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A sound working knowledge of the endoscope handpiece controls, and their function and operation, not only promotes correct, safe and successful use of the endoscope and improves patient safety, but also makes for a smoother and more enjoyable operator experience. Of course, practice makes perfect and it\u2019s important to remember that the handpiece is just one part of the endoscope. Getting familiar with the rest of the endoscope, its attachments and accessories, and how everything is set up, is vital prior to undertaking endoscopic procedures.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h4 id=\"h-where-can-i-learn-more-nbsp\" class=\"wp-block-heading\"><strong>Where can I learn more?<\/strong>&nbsp;<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For more information on these supporting topics, check out our <a href=\"https:\/\/vet.solutions\/en\/courses\/foundations-in-practical-endoscopy\/\" data-type=\"courses\" data-id=\"54845\">Foundations in Endoscopy e-learning course<\/a> which can be viewed and purchased in the <a href=\"https:\/\/imv.docebosaas.com\/academy\" target=\"_blank\" rel=\"noreferrer noopener\">online Academy<\/a> or via our <a href=\"https:\/\/vet.solutions\/en\/courses\/annual-content-membership\/\" target=\"_blank\" rel=\"noreferrer noopener\">Annual Content Membership<\/a>. If you\u2019d like to get hands-on and practice your endoscope skills in a safe environment, consider attending one of our Endoscopy practical courses: <a href=\"https:\/\/vet.solutions\/en\/courses\/foundations-in-practical-endoscopy\/\" target=\"_blank\" rel=\"noreferrer noopener\">Foundations in Practical Endoscopy (10\/12\/26) | Vet Solutions<\/a>.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Need a new endoscope or any accompanying endoscopy products? Explore our wide range here: <a href=\"https:\/\/vet.solutions\/en\/products\/category\/veterinary-endoscopy\/\" target=\"_blank\" rel=\"noreferrer noopener\">Comprehensive Veterinary Endoscopy Solutions | Vet Solutions<\/a> or reach out with any queries using our online form <a href=\"https:\/\/vet.solutions\/en\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\">Contact Us | Vet Solutions | Veterinary Imaging Experts<\/a> \u2013 we would love to hear from you!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"895\" height=\"65\" src=\"https:\/\/vet.solutions\/wp-content\/uploads\/2023\/06\/Untitled-20-August-2026-at-15.47.06.png\" alt=\"blue wave cropped\" class=\"wp-image-112699\" srcset=\"https:\/\/vet.solutions\/wp-content\/uploads\/2023\/06\/Untitled-20-August-2026-at-15.47.06.png 895w, https:\/\/vet.solutions\/wp-content\/uploads\/2023\/06\/Untitled-20-August-2026-at-15.47.06-300x22.png 300w, https:\/\/vet.solutions\/wp-content\/uploads\/2023\/06\/Untitled-20-August-2026-at-15.47.06-768x56.png 768w, https:\/\/vet.solutions\/wp-content\/uploads\/2023\/06\/Untitled-20-August-2026-at-15.47.06-376x27.png 376w, https:\/\/vet.solutions\/wp-content\/uploads\/2023\/06\/Untitled-20-August-2026-at-15.47.06-600x44.png 600w\" sizes=\"auto, (max-width: 895px) 100vw, 895px\" \/><\/figure>\n\n\n\n<h4 id=\"h-you-may-also-be-interested-in\" class=\"wp-block-heading\">You may also be interested in&#8230;<\/h4>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">    <div class=\"ctaBlockWrapper\">\n        <div class=\"ctaGridWrapper ctaGridWrapper1\">\n                            <div class=\"item\">\n                             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wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Handpiece controls and what they do&nbsp; Why is it important to understand the handpiece controls on an endoscope?&nbsp; Having a sound knowledge of the controls on an endoscope handpiece is not just essential for procedural efficiency and endoscope longevity, but most importantly is vital for patient safety, reducing the risk&hellip;<\/p>\n","protected":false},"author":16691,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","ep_exclude_from_search":false,"footnotes":""},"categories":[1352,1354,1441],"class_list":["post-114568","post","type-post","status-publish","format-standard","hentry","category-equine","category-imv-small-animal","category-endoscopy"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Veterinary Endoscopy Fundamentals: A Beginner&#039;s Guide | Vet Solutions<\/title>\n<meta name=\"description\" content=\"Explore the veterinary endoscopy fundamentals including handpiece controls to ensure accuracy and safety in patient care.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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