• Anaesth Intensive Care · Jul 2011

    Biography Historical Article

    The leech airway or pharyngeal bulb gasway.

    • rajesh.haridas@bigpond.com
    • Anaesth Intensive Care. 2011 Jul 1;39 Suppl 1:5-10.

    AbstractBeverley Charles Leech (1898 to 1960) patented the Leech airway or "Pharyngeal Bulb Gasway" in 1937. The Leech airway formed a seal with the pharyngeal tissues, resulting in a closed system during cyclopropane anaesthesia. Two prototypes and four commercially available versions of the airway have been identified.

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