tailieunhanh - ENDOSCOPY_2

Endoscopy has had a major impact in the development of modern medicine and other medical specialties. The field of endoscopic procedure has developed over the last decade. By using different data it provided a better understanding of pathogenic mechanisms, described new entities and used for early detection, diagnostic procedures and therapeutic procedures. The advantages of many technical advances and modern endoscopic equipments, endoscopy has had a developed spectacularly. Consequently, endoscopy has surpassed its function as an examination tool and it became a rapid and efficient therapeutic tool of various organs including gastrointestinal tract, head and neck, respiratory tract and others | Section 3 Respiratory Tract Chapter 9 Endoscopy of Larynx and Trachea with Rigid Laryngo-Tracheoscopes Under Superimposed High-Frequency Jet Ventilation SHFJV Alexander Aloy and Matthaeus Grasl Additional information is available at the end of the chapter http 52996 1. Introduction . History an overview . Indirect laryngoscopy Knowing that almost all laryngeal and tracheal diseases are visible at the surface of the mucous membranes it is of particular interest to visualize these structures. Endoscopic examinations of the larynx and the trachea are essential in the otorhinolaryngological field and had their beginning over 200 years ago. Before the 1800 s only autopsy specimen could clarify laryngotracheal diseases. In 1807 the physian Phillip Bozzini Germany reported about a speculum called the light conductor or a simple apparatus for the illumination of the internal cavities and spaces in the living animal body 1 . In 1816 Ludwig Mende Germany a gynaecologist obstetrician and forensic doctor examined first the inner part of the larynx at a living human being. He looked at a larynx of a suicidal person who had cut through the soft tissue of the supraglottic area 2 . In 1827 L. Senn Switzerland successfully examined the larynx of a child with a small mirrow cited in 3 . In 1829 Benjamin Guy Babington Great Britain developed a larynx-mirrow glottoscope and could illuminate the upper parts of the larynx. The instrument combined an epiglottic retractor with a laryngeal mirror. He presented it in the Hunterian Society of London 4 . INTECH open science I open minds 2013 Aloy and Grasl licensee InTech. This is an open access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly .