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Tremor is a well-recognized manifestation of the high pressure nervous syndrome (HPNS). As such, its measurement and analysis during deep hyperbaric exposures can be an important index of central nerv...
Hematology and blood chemistry in saturation diving:II.Open-sea vs.hyperbaric chamber
decompression human platelet function saturation diving blood chemistry Hematology
2009/7/20
Hematograms, platelet function, and blood-enzyme chemistry were compared in two similar saturation-excursion dives, one conducted in a hyperbaric chamber and the other in the open sea. The chamber div...
Joint crepitation after chamber air dives to 188 fsw. Undersea Biomed. Res. 4(1):89-94.-Joint crepitation was observed in all subjects (8) who were decompressed from 188 fsw (gauge) dry chamber air di...
Chamber-based system for physiological monitoring of submerged exercising subjects
human equipment exercise immersion
2009/7/17
A system has been designed which allows for measurement of cardiorespiratory parameters in the fully submerged subject performing graded exercise. It consists of a horizontal wet chamber; a waterproof...
Hyperbaric chamber for evaluating hydrostatic pressure effects on tissues and cells
human chamber pressure effects tissues
2009/7/16
A chamber system is described for the study of pure hydrostatic pressure effects on tissues and cells. The small chamber has an internal volume of 7.6 liters and is rated for working pressures up to 4...
A versatile chamber for microphysiologic studies with gas mixtures under high pressure
chamber microphysiologic high pressure chamber micromanipulator
2009/7/14
A pressure chamber, designed for microelectrode recordings in isolated tissues or organs an capable of withstanding pressures up to 200 bar, is described. The versatility of the vessel allows a wide v...
Use of the maximum likelihood method in the analysis of chamber air dives
maximum likelihood method decompression model outcomes air chamber
2009/7/9
The method of maximum likelihood was used to evaluate the risk of decompression sickness (DCS) for selected chamber air dives. The parameters of two mathematical models for predicting DCS were optimiz...
Atmosphere contamination following repainting of a human hyperbaric chamber complex
scrubber hyperbaric chamber Atmosphere contamination breathing gas
2009/7/9
The Naval Medical Research Institute currently conducts hyperbaric research in a Man-Rated Chamber Complex (MRCC) originally installed in 1977. Significant engineering alterations to the MRCC and rust...
A chamber system for maintaining a hyperbaric environment for long-term animal studies
noise hyperbaric chamber animal studies method
2009/7/8
An experimental hyperbaric chamber system is described whereby animals, including nonhuman primates, can be cared for under altered environmental conditions for periods in excess of 1 wk. The chamber ...
An optical pressure chamber designed for high numerical aperture studies on adherent living cells
equipment chamber pressure diver
2009/6/9
We have developed an optical pressure chamber designed for use with high numerical aperture oil immersion microscope objectives at working pressures up to 1,000 psi (67 atm abs). The chamber is optimi...
A small chamber for making optical measurements on single living cells at elevated hydrostatic pressure
equipment chamber method
2009/6/9
A 100-microliters chamber has been developed to facilitate the use of optical techniques for the study of living cells under conditions of high hydrostatic pressure and other environmental manipulatio...
Hyperbaric and hypobaric chamber fires:a 73-year analysis
hypobaric hyperbarichuman air chamber fire
2009/6/8
Fire can be catastrophic in the confined space of a hyperbaric chamber. From 1923 to 1996, 77 human fatalities occurred in 35 hyperbaric chamber fires, three human fatalities in a pressurized Apollo C...
Risk factors for symptomatic otic and sinus barotrauma in a multiplace hyperbaric chamber
ear multiplace hyperbaric chamber barotrauma
2009/6/8
This retrospective study examines the relationship of multiplace chamber compression rates and the influence of several predisposing factors on the risk of symptomatic barotrauma. Data were reviewed f...
Performance of the Baxter Flo-Gard 6201 volumetric infusion pump for monoplace chamber applications
equipment hyperbaric monoplace chamber infusion pump
2009/6/5
For non-hyperbaric purposes, the Baxter Flo-Gard 6201 volumetric pump is capable of infusing multiple types of fluids at rates of 1-1,999 ml x h(-1). We designed a study to determine flow accuracy of ...
Measurement of fatigue following 18 msw dry chamber dives breathing air or enriched air nitrox
Analysis of Variance air Atmosphere Exposure Chambers Atmospheric Pressure Attention Decompression
2009/6/4
Many divers report less fatigue following diving breathing oxygen rich N2-O2 mixtures compared with breathing air. In this double blinded, randomized controlled study 11 divers breathed either air or ...