呼吸机吸气流速自动调节模式和自动插管补偿模式简介

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                    <section><section powered-by="gulangu"><section><section><p><img src="image/20201019/ce07f54105753da3898fe599c12d73f8_1.gif" /></p></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section> <section> <section powered-by="gulangu"><section><section><p>吸气流速自动调节模式</p></section></section></section> </section> </section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp;AutoFlow（吸气流速自动调节）为一种通气增强功能，须结合容量型通气模式使用。在AutoFlow状况下，吸气流速根据肺顺应性、气道阻力及病人的自主呼吸要求予以自动调节。</p><p>&nbsp; &nbsp; &nbsp; &nbsp;在顺应性降低、气道阻力增加的情况下，需设定气道压力报警上限。通常，您所选择的吸气时间长于肺的充盈时间。根据潮气量和肺顺应性大小提供吸气压力。吸气流速自动控制，不会造成插管和气道阻力产生的峰压。平台压随肺顺应性的变化而变化。呼吸机以最大3mbar的变化幅度对释放压力进行调节。如果潮气量达到设定值，吸气和呼气阀控制系统能让病人自由自在的呼吸。</p><p>&nbsp; &nbsp; &nbsp; &nbsp;AutoFlow 可用于术后、急性肺水肿、外伤或气胸造成局部肺不张及通气不足的支气管哮喘病人。</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/954547383d2f3d39fe826cfe335bec76_2.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section> <section> <section powered-by="gulangu"><section><section><p>自动插管补偿模式</p></section></section></section> </section> </section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp;对于已经建立人工气道进行机械通气的病人来说，气管插管造成的气道阻力额外增加了自主呼吸做功。</p><p>&nbsp; &nbsp; &nbsp; &nbsp;自动插管补偿（automatic tube compe nsation，ATC）目的在于让病人自主呼吸时感觉不到插管所造成的阻力。ATC又被称为“电子拔管”。</p></section></section></section><section powered-by="gulangu"><section><section><p><img src="image/20201019/7d17b2a93f0766e2383ee4239742c558_3.jpg" /></p></section></section></section><section powered-by="gulangu"><section><section><p>&nbsp; &nbsp; &nbsp; &nbsp;克服插管阻力做功的大小与不断变化的流速相对应，则执行补偿功能的压力值也应随时得到调整。克服阻力做功所需的压力差等于插管阻力系数K和流速平方的乘积。插管的阻力特性如内径和长度决定了K值。</p><p>&nbsp; &nbsp; &nbsp; &nbsp;设置：人工气道类型；管道直径及补偿水平</p><p>&nbsp; &nbsp; &nbsp; &nbsp;潜在优势：模拟拔管清晰下病人的呼吸；降低病人的呼吸做功</p><p>&nbsp; &nbsp; &nbsp; &nbsp;潜在问题：暂未考虑其他原因所造成的人工气道阻力变化，如气道分泌物、管道扭曲等因素。</p></section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section> <section powered-by="gulangu"><section><section><p>欢</p></section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>迎</p></section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>关</p></section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>注</p></section></section></section> </section></section></section><section powered-by="gulangu"><section><section><p><br  /></p></section></section></section><section powered-by="gulangu"><section><section> <section powered-by="gulangu"><section><section><p><img src="image/20201019/2f1ee447a0bd3ba1c18834c16fce7782_4.jpg" /></p></section></section></section> </section><section> <section powered-by="gulangu"><section><section> </section></section></section> </section><section> <section powered-by="gulangu"><section><section><p>关注我们</p><p>一起涨姿势！</p></section></section></section> </section></section></section></section>