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Hyperbaric Oxygen Therapy and Oxygen Compatibility of Skin and Wound Care Products

机译:高压氧疗法和皮肤和伤口护理产品的氧兼容性

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摘要

>Objective: Use test methods to assess the oxygen compatibility of various wound care products.>Approach: There are currently no standard test methods specifically for evaluating the oxygen compatibility and safety of materials under hyperbaric oxygen (HBO) conditions. However, tests such as the oxygen index (OI), oxygen exposure (OE), and autogenous ignition temperature (AIT) can provide useful information.>Results: The OI test measures the minimum oxygen concentration that will support candle-like burning, and it was used to test 44 materials. All but two exhibited an OI equal to or greater (safer) than a control material commonly used in HBO. The OE test exposes each material to an oxygen-enriched atmosphere (>99.5% oxygen) to monitor temperature and pressure for an extended duration. The results of the OE testing indicated that none of the 44 articles tested with this method self-ignited within the 60°C, 3 atm pressurized oxygen atmosphere. The AIT test exposes materials to a rapid ramp up in temperature in HBO conditions at 3 atm until ignition occurs. Ten wound care materials and seven materials usually avoided in HBO chambers were tested. The AIT ranged from 138°C to 384°C for wound care products and from 146°C to 420°C for the other materials.>Innovation: This work provides useful data and recommendations to help develop a new standard approach for evaluating the HBO compatibility of wound care products to ensure safety for patients and clinicians.>Conclusion: The development of an additional test to measure the risk of electrostatic discharge of materials in HBO conditions is needed.
机译:>目的:使用测试方法评估各种伤口护理产品的氧气相容性。>方法:目前,尚无专门用于评估氧气相容性和材料安全性的标准测试方法高压氧(HBO)条件。但是,氧指数(OI),氧暴露(OE)和自燃着火温度(AIT)等测试可以提供有用的信息。>结果:OI测试可测量将支持的最低氧气浓度蜡烛状燃烧,用于测试44种材料。除了两个以外,其他所有容器的OI均等于或大于HBO中常用的对照材料(更安全)。 OE测试将每种材料暴露于富氧气氛(> 99.5%的氧气)中,以长时间监控温度和压力。 OE测试的结果表明,用这种方法测试的44个物品中没有一个在60°C,3atm加压氧气气氛中自燃。 AIT测试使材料在HBO条件下以3 atm的温度快速升高,直到发生点火。测试了10种伤口护理材料和7种通常在HBO室中避免使用的材料。伤口护理产品的AIT范围为138°C至384°C,其他材料的AIT范围为146°C至420°C。>创新:这项工作提供了有用的数据和建议,以帮助开发新的评估伤口护理产品的HBO兼容性以确保患者和临床医生安全的标准方法。>结论:需要开发一种额外的测试来测量HBO条件下材料静电放电的风险。

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