Open Access

Underwater Anesthesia Machines? Well, Almost. Closed-Circuit Rebreathers and the Leap Forward for Advanced Diving, Exploration, and Discovery

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Aug 10, 2020

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Image 1

CCR divers gently move an artifact found at the bottom of Hoyo Nego, which is part of the Sistema Sac Actun cave system in Mexico. Note the oxygen cylinder (A), diluent cylinder (B), breathing loop (C), and dive computer with PO2 monitoring (D). Photo credit: Paul Nicklen.
CCR divers gently move an artifact found at the bottom of Hoyo Nego, which is part of the Sistema Sac Actun cave system in Mexico. Note the oxygen cylinder (A), diluent cylinder (B), breathing loop (C), and dive computer with PO2 monitoring (D). Photo credit: Paul Nicklen.