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<p><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">故障现象一：呼吸机工作时工作压力表指针摆动角度较大，工作压力不稳定。</span><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">故障原因：机器漏气。</span><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">故障检修与分析，下述故障均有可能引起上述故障：</span><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">1.供给呼吸机的压缩空气或氧气的供气压力不稳定或低于0.3Mpa；</span><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">2.空氧混合器堵塞，长期使用时要确保气源干燥干净，并及时排水除污；</span><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">3.机内的储气袋破裂也会造成这种故障现象的发生，发现后应及时更换储气袋；</span><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">4.外接管路漏气，使用时需注意检查气路接口处；</span><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">5.安全阀连接不牢固，保养过程中需把拆下的各部件等安装完好。</span><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">经检查，机器安全阀没有连接好造成漏气，呼吸机每次吸气时，气体从安全阀处涉漏，导致工作压力不稳定，工作压力表指针摆动角度大，装好安全阀后开机，故障现象消失。</span></p><p><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">故障现象二：呼气分量通气量(expiratory volume)明显高于吸气分钟通气量(inspiratory volume)。</span><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">故障原因：流量传感器故障。</span><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">分析及处理: 这种故障现象在使用中较常见的，多为呼气流量传感器故障引起。检查呼气流量传感器，发现金属网粘有污垢，怀疑呼气通道中流量传感器的金属网被污垢堵塞，导致流量误差大；处理方法：取下流量传感器，放入浓度为75%的酒精溶液中浸泡大概2-3小时，至干净为止，然后晾干，装上传感器，做完校准后故障消失。上述情况是由于流量传感器主通道被污垢堵塞，导致流量传感器的主通道对气流的阻力增加，同时流过测量通道的气流增加，结果监测到的每分钟呼气量就增大；此外，呼气流量传感器失灵也会出现这种现象，更换流量传感器后必须进行校准才能使用。</span></p><p><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">故障现象三：机械通气不足(两例)</span><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">故障原因：吸气阀故障及空氧混合器堵塞。</span><br style="max-width: 100%; word-wrap: break-word; white-space: normal; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; background-color: rgb(255, 255, 255);" /><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">分析及处理：</span></p><p><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);">①首先检查气源压力及病人外接管路，均没发现异常，进一步检查发现，吸气阀在设置较高潮气量时，吸气阀打开的角度很小，送气量明显达不到设定量，故产生通气不足；按照900C的校准程序进行校准后，故障未能排除，怀疑是吸气阀的问题，采用替代法，从其他机器拆下吸气阀更换后再次校准，潮气量在误差允许范围内，故障排除，可见上述故障系吸气阀故障导致。</span></p><p><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"> ②机器大概工作48小时后，病人突然出现烦燥，人机对抗严重现象，经检查发现，病人CO2潴留严重，SpO2偏低；机器方面则送气量不足，氧浓度偏高。这时立马卸下病人，接上模拟肺，发现呼出潮气量明显低于设定值，检查氧气气源及空气压缩机出气，并无发现异常，在检查其他部件时发现空氧混合器中有水珠滴出，初步判断是空氧混合器堵塞引起的。拆下空氧混合器，将里面的垫片等擦拭、烘干后接回，机器工作正常，可见故障是由于压缩机气源中水分过多渗进空氧混合器引起导致的。因此，将压缩机的水汽分离器更换掉，目前机器运行近两个月，未见上述故障再次发生。</span></p><p><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><br /></span></p><p><span style="max-width: 100%; color: rgb(68, 68, 68); font-family: Tahoma, Helvetica, SimSun, sans-serif; font-size: 14px; line-height: 21px; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"></span></p><p style="text-indent: 0em; white-space: normal; max-width: 100%; min-height: 1em; color: rgb(62, 62, 62); font-size: 12px; font-family: Arial, Verdana, sans-serif; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><span style="max-width: 100%; font-size: 14px; box-sizing: border-box !important; word-wrap: break-word !important;">地址：广州市天河区银利街银利茶叶博览中心E栋4楼E4030室 </span><span style="max-width: 100%; font-size: 14px; line-height: 1.75em; box-sizing: border-box !important; word-wrap: break-word !important;"> </span></p><p style="text-indent: 0em; 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发表于 2020-10-19 23:31:19