A subjective evaluation of a drinking system for saturation divers.

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A subjective evaluation of a drinking system for saturation divers.

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Title: A subjective evaluation of a drinking system for saturation divers.
Author: Hope, A; Brekken, R
Abstract: Studies have shown that divers may lose large volumes of body fluids in hot-water-suit (HWS) dives lasting for four hours or longer, and that this dehydration is mainly caused by sweating. Body fluid balance may be impaired and the diver’s alertness and power of judgement could be influenced by such imbalance. The main objective of the present study was to obtain a subjective judgement of a drinking system for divers (DSFD) and to obtain information related to body fluid lossduring long saturation lock-out dives. Via a suction pipe imbedded in the microphone unit in the oronasal mask, the DSFD makes it possible for the diver to drink while in the water. Ten divers tested the drinking system during 12 saturation lockout dives lasting an average of 5.5 h. A questionnaire was answered after each dive. The divers drank 21 times (range 5–30 times) during the dives, and the average drinking volume was 1.4 litre (range 1.0–1.5 litre), but drank only 0.04 litre (range 0–0.3 litre) in the bell after diving. The system was easy to operate and preparation and clothing did not cause any delay. The suction pipe did not intrude and the microphone performed excellently. The work in water was not hindered by DSFD and all divers were very satisfied with the drinking system. It was obvious that the need for fluid intake after a dive with DSFD was markedly reduced – another good indication of maintained body fluid balance.
Description: The Journal of the South Pacific Underwater Medicine Society (Incorporated in Victoria) A0020660B and the European Underwater and Baromedical Society
URI: http://archive.rubicon-foundation.org/9867
Date: 2010

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