{"id":18124,"date":"2017-06-20T18:50:46","date_gmt":"2017-06-20T18:50:46","guid":{"rendered":"https:\/\/websitedesigns.com.au\/elankanew\/?p=18124"},"modified":"2017-06-20T18:50:46","modified_gmt":"2017-06-20T18:50:46","slug":"lankan-doctors-life-saving-intubation-invention-wins-gold-foreign-countries-show-interest-dr-herath-puts-patients-patent-kumudini-hettiarachchi","status":"publish","type":"post","link":"https:\/\/websitedesigns.com.au\/elankanew\/lankan-doctors-life-saving-intubation-invention-wins-gold-foreign-countries-show-interest-dr-herath-puts-patients-patent-kumudini-hettiarachchi\/","title":{"rendered":"Lankan doctor\u2019s life-saving intubation invention wins gold – Foreign countries show interest, but Dr. Herath puts patients before patent – By Kumudini Hettiarachchi"},"content":{"rendered":"

Lankan doctor\u2019s life-saving intubation invention wins gold – Foreign countries show interest, but Dr. Herath puts patients before patent<\/h1>\n

By Kumudini Hettiarachchi<\/p>\n

It is not an easy task \u2014 and as he assisted many an anaesthetist to \u2018intubate\u2019 numerous people, lying on the operating table before an operation or in emergencies, he wondered why it could not be made less challenging.<\/span><\/p>\n

As they wielded the laryngoscope, a metallic gadget with a handle and a blade, to carry out endotracheal intubation, the Peradeniya Teaching Hospital\u2019s Senior Registrar in Anaesthesia, Dr. Anupa Herath, allowed his inventive mind to dwell on it.<\/span><\/p>\n

\"\"<\/a>
\nDr. Anupa Herath performing intubation with his invention \u2013 theVideo-Laryngoscope with Extended Functions. Pix by Anurada Bandara<\/span><\/p>\n

Going beyond the call of duty which is to assist in intubation and keep the vitals of the patient under general anaesthesia at the required levels, Dr. Herath has now come up with a \u2018Video-Laryngoscope with Extended Functions\u2019 which can be handled easily, to international and local commendation.<\/span><\/p>\n

Inserting the laryngoscope down the throat of a patient is the \u201ctrickiest\u201d skill in anaesthesia, for intubation is an invasive procedure, says Dr. Herath, acknowledging with humility, that his version of the laryngoscope won gold recently.<\/span><\/p>\n

<\/p>\n

Not only did Dr. Herath win the gold medal for his version of the laryngoscope on March 28 at the International Exhibition of Inventions in Geneva, he also received Special Congratulations from the jury.<\/span><\/p>\n

So impressed was the jury that it requested this 35-year-old doctor-cum-inventor from Sri Lanka to seek a European patent for this medical marvel, with investment interest forthcoming from countries such as Israel, Romania and Switzerland.<\/span><\/p>\n

\u201cMy idea is not to commercialise my product but let the Sri Lankan Government take it forward,\u201d says Dr. Herath simply, for not for him the pursuit of wealth and glory but the wellbeing of people he has sworn to help when he took the Hippocratic Oath. Earlier he had also won the silver medal at the National Inventions Exhibition (Sahasak Nimavum) 2016 for medicine in Sri Lanka, for this invention.<\/span><\/p>\n

This is not a first for him \u2014 back in 2014 he was awarded the gold medal for the Best Invention under the \u2018Health and Nutrition Category\u2019 also securing a Special Award for Electronics at the National Inventions Exhibition in Sri Lanka held by the Inventors\u2019 Commission for his \u2018Low-cost peripheral nerve-stimulator needle with extended functions\u2019.<\/span><\/p>\n

Then too when he represented the country at the International Exhibition of Inventions in Geneva, he was awarded a gold medal, while being the recipient of a special congratulatory message from the jury. (Dr. Herath\u2019s achievement was featured in a May 24, 2015 Sunday Times Plus section article headlined \u2018A little jab that goes a long way to ease the pain\u2019.)<\/span>
\nThe Video-Laryngoscope with Extended Functions he has produced this time has made intubation easier.<\/span><\/p>\n

Usually, in laryngoscopy, a tube is inserted through the mouth of the patient down into the trachea (windpipe or large airway from the mouth to the lungs), before surgery when the patient is put under general anaesthesia or in an emergency procedure when people are unconscious or cannot breathe on their own, without assistance.<\/span><\/p>\n

The trachea which carries air to the lungs and is usually about four inches long and one inch wide, starts under the voice-box or larynx, extends behind the breastbone or sternum, divides into two smaller tubes called bronchi which then link up respectively with the lungs. The trachea is of tough cartilage, muscle and connective tissue, with the inner lining of smooth tissue.<\/span><\/p>\n

\"\"<\/a><\/p>\n

Dr. Anupa Herath with his invention in Geneva, Switzerland where he won gold<\/p>\n

Intubation allows oxygen and anaesthetic gases to be sent in and carbon dioxide to be taken out.<\/span><\/p>\n

Some of the challenges in conventional laryngoscopy would be if there is reduced mouth-opening, impaired movement of the neck and swelling of the upper-airway. When using the conventional laryngoscope, the larynx has to be lifted and the mouth needs to be opened at least to the size of three fingers.<\/span><\/p>\n

\u201cIt becomes a bit of a struggle,\u201d says Dr. Herath, explaining that if the patient has facial abnormalities, malignancies (cancers), burns, congenital defects, is pregnant or obese there could be difficulty in inserting it.<\/span><\/p>\n

While this necessitates external manipulation as well as angulation of the tube, various special devices such as stylets have been introduced to manage such difficult cases. But the cost is prohibitive, it is understood.<\/span><\/p>\n

When using the conventional video laryngoscope, meanwhile, the video allows only the throat and the vocal cords to be seen, with the Anaesthetist literally having to grope in the dark thereafter, it is learnt.<\/span><\/p>\n

\u201cDelayed or failed intubation would result in fatal complications of anaesthesia in emergency situations,\u201d points out Dr. Herath, explaining that when adequate respiration does not occur, the patient would turn hypoxic due to lack of oxygen, which can cause brain damage, cardiac arrest and death. During tube-placement, the patient\u2019s teeth could get damaged as also the soft tissue at the back of the throat and the vocal cords.<\/span><\/p>\n

Video-Larungoscope: How it works<\/span><\/strong><\/p>\n

The \u2018Video-Laryngoscope with Extended Functions\u2019 consists of a metallic blade, a corrugated handle, a camera port, an introducer channel and an oxygenation port.<\/span><\/p>\n

Dr. Anupa Herath describes his invention:<\/span><\/p>\n

\u00b7 The blade (18mm in vertical height, with a uniform width of 20mm) is designed with hyper-acute curvature to negotiate the anatomy of the upper-airway, as also the handle which makes it easier to use when compared with the conventional model. This requires only a minimal mouth-opening of 2cm. <\/span>
\n\u00b7 The high-resolution videoscope is assembled to the camera port and produces a magnified, wide-angle view of the larynx.<\/span><\/p>\n

\"\"<\/a><\/p>\n

How Dr. Anupa Herath\u2019s Video-Laryngoscope with Extended Functions works<\/p>\n

\u00b7 A gum elastic bougie (a flexible PVC rod) is loaded alongside the distal end. This design is unique and allows the bougie to move back and forth without detachment.<\/span>
\n\u00b7 The video-camera is supported by an android system \u2013 a smart mobile device can be used to obtain the video, reducing the cost. <\/span>
\nExplaining how it works, Dr. Herath says the laryngoscope is advanced deep into the mouth cavity of the anaesthetised patient and the bougie is passed through the vocal cords, with the endotracheal tube being advanced along the bougie. As the tube advances, the bougie gets detached from the scope and the distal end and allows the tube to enter into the trachea. This takes place with real-time video-imaging.<\/span><\/p>\n

The uniform-thickness of this laryngoscope needs only smaller mouth-opening \u2014 2cm or a width of two fingers \u2014 and will prevent the patient\u2019s teeth from getting damaged. \u201cI did the calculations and designed the laryngoscope taking into consideration the upper-airway anatomy and its curvature so as to prevent much pressure being caused to laryngeal tissue,\u201d he says.<\/span><\/p>\n

The main advantage is that the haemodynamic response and the soft tissue injuries are minimal as it applies minimal pressure on the laryngeal tissue.<\/span>
\nEasily produced in stainless steel in a local workshop, the cleaning and sterilisation of this device can be performed through autoclaving. The Video-Laryngoscope with Extended Functions is 20 times cheaper, portable and also user-friendly, it is learnt.<\/span><\/p>\n

\u201cIt\u2019s a railroad tube and the laryngoscopy can be carried out without groping about blindly,\u201d says Dr. Herath expressing his appreciation for the support he has received from the Sri Lanka Inventors\u2019 Commission; the College of Anaesthesiologists and Intensivists of Sri Lanka; the National Hospital\u2019s Consultant Anaesthetist Dr. Marie Fernando; Kandy Teaching Hospital\u2019s Consultant Anaesthetist Dr. Saman Karunathilaka; Peradeniya University\u2019s Professor in Anaesthesiology and Critical Care, Prof. Vasanthi Pinto and Professor in Anaesthesiology, Prof. Lal de Silva attached to the Peradeniya Teaching Hospital; and a former President of the College of Anaesthesiologists, Prof. Lakshman Karalliedde.<\/span><\/p>\n

Dr. Herath\u2019s laryngoscope has already been used on 250 patients with no complications \u2013 whereas the conventional one takes about 2-3 minutes, intubation with his device takes just 60 seconds.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Lankan doctor\u2019s life-saving intubation invention wins gold – Foreign countries show interest, but Dr. Herath puts patients before patent By Kumudini Hettiarachchi It is not an easy task \u2014 and as he assisted many an anaesthetist to \u2018intubate\u2019 numerous people, lying on the operating table before an operation or in emergencies, he wondered why it […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[1982,1981],"class_list":{"0":"post-18124","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-articles","7":"tag-but-dr-herath-puts-patients-before-patent-by-kumudini-hettiarachchi","8":"tag-lankan-doctors-life-saving-intubation-invention-wins-gold-foreign-countries-show-interest"},"yoast_head":"\nLankan doctor\u2019s life-saving intubation invention wins gold - Foreign countries show interest, but Dr. Herath puts patients before patent - 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