The Leech airway: precursor to the modern supraglottic airway

  • Emma C. Avery
Images in Anesthesia


Conflicts of interest

None declared.

Editorial responsibility

This submission was handled by Dr. Hilary P. Grocott, Editor-in-Chief, Canadian Journal of Anesthesia.


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    Leech BC. The pharyngeal bulb gasway: a new aid in cyclopropane anesthesia. Anesth Analg 1937; 16: 22-5.CrossRefGoogle Scholar
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    Sherwin LW. The pharyngeal gasway; its use in exodontia. Dent Items Interest 1947; 69: 342-4.PubMedGoogle Scholar
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    Haridas RP. The Leech airway or pharyngeal bulb gasway. Anaesth Intensive Care 2011; 39(Suppl 1): 5-10.PubMedGoogle Scholar

Copyright information

© Canadian Anesthesiologists' Society 2017

Authors and Affiliations

  1. 1.Faculty of Medicine, St. Boniface HospitalUniversity of ManitobaWinnipegCanada

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