1. Efficacy of a new dual channel laryngeal mask airway, the LMA®Gastro™ Airway, for upper gastrointestinal endoscopy: a prospective observational study 
N.C.S. Terblanche, C. Middleton, D.L. Choi-Lundberg, M. Skinner 
British Journal of Anaesthesia 
Volume 120, Issue 2, Pages (February 2018)
DOI: /j.bja
Copyright © 2017 British Journal of Anaesthesia Terms and Conditions

2. Fig 1
The dual channel LMA®GastroTM Airway with silicone airway channel (light green arrow) with cuff fully inflated (dark green arrow), and separate endoscopy channel (red arrow) for endoscope (yellow arrow).
British Journal of Anaesthesia  , DOI: ( /j.bja )
Copyright © 2017 British Journal of Anaesthesia Terms and Conditions

3. Fig 2 Patient enrolment and flow.
British Journal of Anaesthesia  , DOI: ( /j.bja )
Copyright © 2017 British Journal of Anaesthesia Terms and Conditions

4. Fig 3
Participant undergoing upper gastrointestinal endoscopy in the lateral position. The dual channel LMA®GastroTM Airway is in situ with anaesthetic breathing circuit (blue arrow) attached to the silicone airway channel (light green arrow), and endoscope (orange arrow) inserted through the endoscopy channel (red arrow).
British Journal of Anaesthesia  , DOI: ( /j.bja )
Copyright © 2017 British Journal of Anaesthesia Terms and Conditions