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Assessment of the Pulmanex Hi-Ox for Aeromedical Evacuation at 8000 Feet
| 题名： | Assessment of the Pulmanex Hi-Ox for Aeromedical Evacuation at 8000 Feet |
| 作者： | Eaton, D. J.;Michas, B.;Bouak, F.; |
| 关键词： | AEROMEDICAL EVACUATION |
| 摘要： | DRDC Toronto was tasked by the Canadian Forces Health Services Group Headquarters (CF H Svc Gp HQ) to verify that the Pulmanex Hi-Ox mask system (HiOx) is suitable, safe and efficient for use in aircraft at cabin altitudes up to 8000 feet (ft). The objective is to use the HiOx mask to provide oxygen (O2) to patients during aeromedical evacuation. Performance and safety were compared at ground level and 8000 ft and at four different O2 flow rates (0, 2, 4 and 6 litres per minute (L/min)). An experiment was conducted by eight male volunteers inside the hypobaric chamber of DRDC Toronto. Subjects were at rest in a seated position. The data showed that it is possible to use the HiOx safely for aeromedical evacuation at 8000 ft with relatively low O2 flows. The HiOx at altitude, like at ground level, significantly increased the blood O2 saturation at as little as 2 L/min. The oxygen partial pressure of the inhaled mixture showed that the HiOx would require an increase to the O2 supply flow rate at altitude to provide equivalent oxygen treatment as that at ground level. However, as demonstrated in previous studies, the O2 requirement at any altitude would be substantially less than with traditional oxygen masks, thereby extending the duration of supplemental oxygen and enabling the use of miniature O2 concentrators. |
| 总页数： | 46 |
| 报告类型： | 科技报告 |
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