Rigid bronchoscopy is an important procedure practiced primarily by otolaryngologists and thoracic surgeons, which allows visualization of the trachea and proximal bronchi. The bronchoscope was introduced in 1806 by Bozzini. Its first successful reported use was in 1897 when Gustav Killian retrieved an aspirated pork bone from the right mainstem bronchus, avoiding a tracheostomy. Around the same period, Chevalier Jackson created his own illuminated endoscopes, and in 1907 published his findings in his landmark book, Tracheobronchoscopy, Esophagoscopy and Bronchoscopy.
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