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医用氧
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医用氧

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简介

       医疗氧(Medical oxygen )是医疗用氧气的简称,也称医用氧,是指采用深冷分离法将大气中氧气分离以供应医疗救治病人使用的氧气。

        适用于因缺氧引起的呼吸系统疾病 (如哮喘、支气管炎、肺心病等)、心脏及脑血管系统疾病 (如:冠心病、心肌梗塞、脑溢血、脑梗塞) 的辅助治疗,以缓解其缺氧症状; 也可用于保健吸氧或紧张脑力劳动及体力劳动后疲劳的快速解除。

氧纯度  

       瓶装医用氧的纯度国家标准为≥99.5%,制氧机制取的氧气国家没有规定医用氧标准。无论制氧机采用的是分子筛制氧或富氧膜制氧;氧气纯度均低于瓶装医用氧。使用制氧机吸氧时注意一定要开窗通风或将制氧机采风管通向室外取气,以提高制氧浓度。

医用氧气的应用

以下几种情况需要吸入医用氧气。

1)摄入障碍:哮喘等呼吸系统疾病是最典型的摄入障碍引起的缺氧病例,在发病时会严重影响生活学习和工作。在此之外,缺氧环境如空气不流通的地下室、冬天不换气的室内空间是外界因素引起的摄入障碍。而驼背、含胸等不良的姿势使得呼吸时肺部不能充分舒展而引起缺氧,这是因为肺通气量不足引起氧气的摄入障碍。

2)输送障碍:氧气主要是通过我们的血液来输送到全身各处的。所以如果我们的血液输送出现障碍就会引起人体组织缺氧,而人体组织缺氧的结果就是发生病变。如冠心病:是指因狭窄性冠状动脉疾病而引起的心肌缺氧(供血不足)所造成的缺血性心脏病。动脉粥样硬化:动脉管壁增厚、变硬,管腔缩小的退行性和增生性病变的总称,血管内腔变细变窄自然会导致血液流通不畅,从而引起组织缺氧,导致病变和坏死。脑血管病:脑血管栓塞等原因造成脑组织缺氧和其他必须的营养物质导致组织病变坏死。贫血:血液中负责运送医用氧气的红血球的数量或红血球中血红蛋白的含量不足,而导致氧输送障碍。

3)过度消耗:最长见的就是用脑过度的人,长时间过度使用大脑会造成大脑缺氧,从而导致学习、工作效率降低、反应迟缓、夜间睡眠障碍等结果。另外,乳酸是导致人体感觉酸软、疲惫的原因。而乳酸是在氧供应不足的条件下,组织进行无氧酵解的产物。所以从补充体能、增进大脑活力的角度看,如果不能通过运动来改善体内缺氧状况,可以适当吸些医用氧气。

注意事项

1、注意钢瓶不要倾倒,禁止剧烈的冲击

2、钢瓶为高压容器,请不要再温度高于50℃的地方使用,避免阳光直射

3、氧气钢瓶瓶阀注意避免碰撞,在使用时才能打开,停止使用时必须关上瓶阀,不能反拧,过度用力关闭瓶阀会导致瓶阀损坏

4、不得自行拆卸氧气钢瓶,禁止将医用氧气钢瓶内的氧气全部用完,,使用时必须留下1(氧气压力表指示)格,否则空气会进入瓶中,造成细菌灰尘等物质的污染

5、由于氧气的助燃性质,请不要靠近火源或接近油脂,切勿一边吸烟一遍吸氧,氧气自身不会燃烧,但是它会付诸一些易燃物燃烧,所以请不要和易燃易爆品混放

6、氧气属无色无味的气体,在吸氧时请将新的吸氧管用温淡盐水浸泡20分钟后再使用,以免吸氧时产生塑料气味

7、氧气钢瓶内充装的均为专业厂家生产的医用氧气,用户切勿自行充装以免发生误吸有害气体。

 

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