Laryngoscope uses

Overview A laryngoscopy is an exam that gives your doctor a close-up view of your larynx and throat. The larynx is your voice box. It’s located at the top of your windpipe, or trachea. It’s important to keep your larynx healthy because it contains your vocal folds, or cords. Air passing through your larynx and over the vocal folds causes them to vibrate and produce sound. This gives you the ability to speak. A specialist known as an “ear, nose, and throat” (ENT) doctor will perform the exam. During the exam, your doctor place a small mirror into your throat, or insert a viewing instrument called a laryngoscope into your mouth. Sometimes, they’ll do both. Laryngoscopy is used to learn more about various conditions or problems in your throat, including: • persistent cough • bloody cough • hoarseness • throat pain • bad breath • difficulty swallowing • persistent earache • mass or growth in the throat Laryngoscopy can also be used to remove a foreign object. You’ll want to arrange for a ride to and from the procedure. You may not be able to drive for a few hours after having anesthesia. Talk to your doctor about how they will perform the procedure, and what you need to do to prepare. Your doctor will ask you to avoid food and drink for eight hours before the exam depending on what kind of anesthesia you’ll be getting. If you’re receiving mild anesthesia, which is usually the kind you would get if the exam were happening in your doctor’s office, there’s no need to fast. Be sur...

by Nancy Humphrey A Vanderbilt University Medical Center-led study comparing the two types of laryngoscopes used in tracheal intubation of critically ill patients showed that the use of a video laryngoscope increased successful intubation on the first attempt, compared to the use of a direct laryngoscope, the standard approach for almost a century. The DEVICE (DirEct Versus VIdeo LaryngosCopE) trial, published in today’s New England Journal of Medicine, compared the two devices used to intubate patients in the emergency department (ED) and the intensive care unit (ICU): a direct laryngoscope and a video laryngoscope. For almost a century, tracheal intubation has been accomplished with a direct laryngoscope, a simple device composed of a handle and a blade with a light. But over the past 20 years video laryngoscopes have become more widely used. The device has a camera near the tip of the blade to improve viewing the vocal cords. Using a video laryngoscope, a clinician views the placement of the endotracheal tube on a screen. Matthew Semler, MD “More than 1.5 million critically ill adults undergo tracheal intubation outside of an operating room in the U.S. each year, and about 80% of those are with a direct laryngoscope because the video devices are more expensive,” said Matthew Semler, MD, MSc, assistant professor of Medicine in the Division of Allergy, Pulmonary and Critical Care Medicine, and co-senior author of the study, along with Jonathan Casey, MD, assistant profess...

History Miller found traditional straight blades to be too thick at the base and too short increasing the risk of trauma to the teeth. Miller modified the laryngoscopes popular at the time to make tracheal intubation “easier and more certain”. The Miller laryngoscope has a straight blade with a long, curved tip, providing better exposure of the larynx. This made difficult intubations easier to perform, especially prior to muscle relaxant use and minimised dental trauma. Miller designed his blade by making it straight and longer than the old style medium blade, rounded at the bottom and smaller at the tip with an extra curve two inches from the end. This made difficult intubations easier to perform and minimised dental trauma. He found this suitable for all patients; except children. In 1946, Miller developed a blade for use in children. He recommended that tracheal intubation under direct visualization was preferable to the common practice of blind passage facilitated by digital palpation of the epiglottis. Miller designed his blade by making it straight and longer than the old style medium blade, rounded at the bottom and smaller at the tip with an extra curve two inches from the end. This made difficult intubations easier to perform and minimised dental trauma. Initially only the size 2 (medium) was used. Since then laryngoscopes from size 0 (for premature) to 4 are available. 2017 Oxiport ® is a Miller laryngoscope providing apnoeic laryngeal oxygenation in neonates and...

Reviewed and revised 3 April 2015 OVERVIEW • device used to visualise the vocal cords to facilitate intubation USE • visualisation the vocal cords to allow insertion of an endotracheal tube • also useful for insertion of a gastric tube or TOE probe by lifting the larynx forwards. DESCRIPTION • Base of blade (attaches to handle and makes an electrical connection when extended) • Hook of blade • Curved or Straight blade • Flange (containing web and light source) – proximal flange to sweep the tongue aside • Tip • Handle tip containing electrical connection and connection for hook • Green line • Handle containing batteries METHOD OF INSERTION/ USE • see • with a curved blade the tip is placed in the vallecula behind the epiglottis • with a straight blade the tip is used to lift the epiglottis directly to reveal the cords (useful in paediatrics as small children have long floppy epiglottis) COMPLICATIONS • Soft tissue injury and upper airway haemorrhage • dislodgement or chipping of teeth • laryngospasm • failure to perform procedure • light source failure OTHER INFORMATION Handles • Standard size handle • Short handle — useful for short necks, barrel chests and large breasts such as obstetric or obese patients (often with a Kessel blade) • Penlight — thinner diameter, works better with smaller blades Blades • Various types of blades — Macintosh (commonest; blade attaches to handle at 90 degrees) — Kessel (like the Macintosh but the blade attaches at 110 degrees) — McCoy (Maci...

Overview What is a microlaryngoscopy? A microlaryngoscopy is a surgical procedure that allows a provider to view your vocal cords (also called vocal folds) with a microscope. During this procedure, your provider may also remove lesions (growths) from your vocal folds or correct movement disorders of your Why would I need a microlaryngoscopy? Your healthcare provider will typically recommend microlaryngoscopy if they detect a lesion on your larynx. During this test, your provider can treat: • Noncancerous • Vocal fold motion disorders such as • Signs of • Test Details How does a microlaryngoscopy work? Microlaryngoscopy allows your provider to see your vocal folds without surgical incisions. Providers use small instruments that fit directly in your mouth and throat. During the procedure, your provider uses a rigid tube that helps them view your larynx directly. This tube is large enough to put one or two instruments in without obstructing their view. Using the light and microscope, your provider examines your vocal folds and looks for changes or growths. Your provider may also use surgical tools to remove growths, such as a small scalpel, scissors and graspers. During a laser microlaryngoscopy, your provider may use a laser to remove lesions or growths. How do I prepare for a microlaryngoscopy? Microlaryngoscopy requires general • Don’t smoke for at least one day before your procedure. For the most benefits, • Stop eating and drinking for at least eight hours before your pr...

Laryngoscopes are, simply put, devices that allow to view the larynx. The larynx can be looked at either directly or indirectly. Direct laryngoscopes 'standard'/ typical handle and blade assemblies, such as the widely used McIntosh or Miller blades. In addition, there are direct laryngoscopes which are used by head & neck surgeons during laryngeal or tracheal surgeries. Indirect laryngoscopes Indirect laryngoscopes on the other hand use camera with or without fiberoptic technology to view the larynx. These devices include, for example, videolaryngoscopes or optical stylets. Indirect laryngoscopes allow an 'around-the-corner' look at the larynx by moving the point of view downwards along the curved laryngoscope blade closer to the vocal chords. No one calls these devices 'indirect laryngoscopes' in practice, it is just the principle by which they work.

A laryngoscopy (lair-in-GAHS-kuh-pee) is a test healthcare providers perform to examine your larynx (voice box). They perform this test with a laryngoscope, a thin tube with lights, lens and video cameras that help them to look closely at your larynx. Laryngoscopes may have tools your provider can use to remove tissue from your larynx. Overview Woman receiving indirect nasal laryngoscopy test. What is a laryngoscopy? A laryngoscopy is a procedure healthcare providers use to examine your What is my larynx? Your larynx is located between your throat and your When would I need a laryngoscopy? Your healthcare provider may recommend a laryngoscopy to diagnose problems like dysphonia ( Who performs laryngoscopies? Healthcare providers called otolaryngologist-head and neck surgeons perform laryngoscopies. An Test Details I’m having a laryngoscopy. What should I expect? Your healthcare provider will consider your specific situation when deciding which type of laryngoscopy they’ll use. You may have your laryngoscopy in a clinic office or as a surgical procedure. For example, your provider may decide you should have a surgical laryngoscopy in an operating room. This is a direct laryngoscopy. Providers typically do direct laryngoscopies following in-office flexible laryngoscopies. Direct laryngoscopies may be done along with biopsies or other surgical procedures. What happens before my laryngoscopy? If you’re having a surgical laryngoscopy, you’ll receive general anesthesia. Your pro...

Laryngoscopy may be done in different ways: • Indirect laryngoscopy uses a small mirror held at the back of your throat. The health care provider shines a light on the mirror to view the throat area. This is a simple procedure. Most of the time, it can be done in the provider's office while you are awake. A medicine to numb the back of your throat may be used. • Fiberoptic laryngoscopy (nasolaryngoscopy) uses a small flexible telescope. The scope is passed through your nose and into your throat. This is the most common way that the voice box is examined. You are awake for the procedure. Numbing medicine will be sprayed in your nose. This procedure typically takes less than 1 minute. • Laryngoscopy using strobe light can also be done. Use of strobe light can give the provider more information about problems with your voice box. • Direct laryngoscopy uses a tube called a laryngoscope. The instrument is placed in the back of your throat. The tube may be flexible or stiff. This procedure allows the doctor to see deeper in the throat and to remove a foreign object or sample tissue for a biopsy. It is done in a hospital or medical center under general anesthesia, meaning you will be asleep and pain-free. How the test will feel depends on which type of laryngoscopy is done. Indirect laryngoscopy using a mirror or stroboscopy can cause gagging. For this reason, it is not often used in children under age 6 to 7 or those who gag easily. Fiberoptic laryngoscopy can be done in childre...