rebreather


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rebreather

1 a breathing apparatus that allows the breathing of a combination of supplied oxygen and exhaled or room air.
2 a reservoir mask that allows room air to flow in through ports so that it is mixed with supplied oxygen.
References in periodicals archive ?
Open-circuit systems allow a diver to breathe through a tank, while a closed-circuit system recycles the diver's air through a rebreather.
Subsequent medical examination revealed a distressed patient (sinus tachycardia 144 beats per minute, respiratory rate 24 breaths per minute, blood pressure 119/62 mmHg) with signs of central cyanosis, and persistently low pulse oximetry readings fluctuating between 80% and 90% despite the patient being on a rebreather oxygen mask.
One irksome issue needs noting: There is an entire page extolling the wonder of CCRs (closed-circuit rebreather units), which recycle a diver's exhaled air so that bubbles are not released into the water.
Mr Spencer was an "experienced mixed gas and closed circuit rebreather diver" who had been on three previous missions to film the Britannic.
in Worcester, tries on a dry suit and a closed circuit rebreather with help from Paul M.
All of the type specimens were collected from February 2-5, 2002 at depths of 73-110 m off Viti Levu, Fiji while diving with mixed-gas rebreather gear.
One of the most unusual and unique things that we do ( and we invented and patented it here in North-East England ( is manu- facture the Air Pocket rebreather system for underwater escape from helicopters.
Kevin Gurr, of Delta P Technology on the Team Valley, has created a rebreather device called the Ouroboros, enabling divers to re-use the last part of each breath giving them more time under water and a much safer dive.
The patient was admitted to the medical intensive care unit, treated with 100% oxygen through a rebreather face mask, and started on antibiotics (azithromycin and ceftriaxone) with diagnoses of pneumonia and carbon monoxide poisoning after confirmation from the chemistry laboratory that the MetHb and COHb results were not mistranscribed or reversed.
Underwater Demolition Team members, diving Draeger Lt Lungll, used a closed-circuit, oxygen rebreather in the '50s.
The rebreather is worn under the protective suit and provides up to 4 hours of breathing air to the user.
The divers breathe mixtures of helium and oxygen from so-called rebreather systems that enable them to carry smaller tanks and stay down longer.