Masui. The Japanese journal of anesthesiology
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The Macintosh laryngoscope has been a gold standard for endotracheal intubation over 60 years. However, even with optimum technique used, the glottis can not be seen in 1-3% of the cases with Macintosh blade resulting in difficult intubation. ⋯ Recently, supported by advancement of optical technology, many intubation devices combined with endoscope, fiber optics or video system have become commercially available. These devices can visualize the vocal cord to facilitate intubation These new video/endoscopy assisted airway devices are introduced in this review.