Early laryngoscopy: illumination, mirrors and the first direct view
| Year | Person / instrument | Historical contribution and significance |
|---|---|---|
| 1743 | André Levret (1703–1780) | Developed a reflective speculum used in the examination and removal of nasal and pharyngeal polyps. Precursor to indirect laryngoscopy, not a demonstrated laryngeal examination. |
| 1807 | Philipp Bozzini (1773–1809) | Developed the Lichtleiter (light conductor), using reflected candlelight to illuminate internal cavities. Although applicable to the nasopharynx and hypopharynx, successful visualisation of the living larynx was not documented. |
| 1829 | Benjamin Guy Babington (1794–1866) | Presented his glottiscope to the Hunterian Society and published its description in the London Medical Gazette. Combined a mirror with tongue retraction and reflected sunlight. An important early documented laryngeal-viewing instrument, although observation of the vocal cords was not recorded. |
| 1829 | Senn of Geneva | Independently experimented with a small pharyngeal mirror to inspect the glottis. The method was reportedly abandoned as impractical. Details and original attribution require verification. |
| 1844–1846 | John Avery (1807-1855) | Developed a head-mounted reflecting mirror and speculum with artificial illumination to examine the larynx. The dates vary between the reported invention and subsequent illustrations. |
| 1845; published 1852 | Horace Green (1802–1866) | Reported direct exposure of the larynx in a child using a bent tongue spatula, with visualisation of a laryngeal polyp. ?challenge to claims that direct laryngoscopy began with Kirstein. |
| 1854–1855 | Manuel Patricio Rodríguez García (1805–1906) | Used two mirrors and sunlight to visualise his own functioning vocal cords. Presented Physiological Observations on the Human Voice to the Royal Society in May 1855. His contribution was the detailed observation of vocal-fold movement and laryngeal physiology rather than the invention of mirror laryngoscopy. |
| 1857 | Ludwig Türck (1810–1868) | Attempted to introduce mirror laryngoscopy into clinical practice in Vienna. Relied heavily on natural light and initially struggled with practical application. |
| 1857–1858 | Johann Nepomuk Czermak (1828–1873) | Developed a more practical method using artificial illumination and a concave mirror. Published his findings in March 1858. Dispute with Türck over priority became known as the Türckish war. |
| Morell Mackenzie (1837-1892) | Mackenzie was one of the first physicians to grasp the full diagnostic and therapeutic potential of the laryngoscope. published The Use of the Laryngoscope in Diseases of the Throat (1865), the first English textbook on the subject | |
| 1878; published 1880 | William Macewen (1848–1924) | Described oral tracheal intubation by guiding a tube with the fingers. Important to the history of endotracheal anaesthesia, but not an innovation in visual laryngoscopy. |
| 1879 | Reichert | Credited in later historical accounts with explaining indirect elevation of the epiglottis through pressure on the tongue base and glossoepiglottic attachments. This predates Macintosh’s use of the principle. Find publication and full name |
| 1895–1896 | Alfred Kirstein (1863–1922) | Introduced the autoscope and systematically described direct laryngoscopy without a mirror. His spatula designs included techniques for direct and indirect elevation of the epiglottis. Published further instrumentation and procedural details in 1896. |
Further reading
- Jones T, Gililand L. Early laryngoscopy. Illumination, mirrors and the first direct view (1743–1896)
- Gililand L, Jones T. The intubating laryngoscope and development of the modern blade (1903–1977).
- Gililand L, Jones T. Fibreoptics, difficult-airway blades and videolaryngoscopy (1967– )
References
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the names behind the name
MBChB - Liverpool. RMO in Emergency Medicine at Sir Charles Gairdner Hospital, currently soaking up the sun down under. Aiming to pursue a career in anaesthetics.
MB ChB, Edinburgh Medical school. F1/F2 in Bath, now in Australia, Perth preparing for a career in Emergency medicine. I have an interest in wilderness medicine and women’s health, but haven’t fully found my niche interest yet.