What are the common methods of medical endoscope pneumoperitoneum machine maintenance?

　　經(jīng)過長期的手術(shù)室儀器設(shè)備維修，發(fā)現(xiàn)故障根據(jù)維修難易和故障大小，可分為復(fù)雜故障、中等故障和簡單故障。經(jīng)統(tǒng)計(jì)分析：復(fù)雜故障的概率只有15%（如主機(jī)、主要電路壞），由于各種條件限制，這部分故障難以在手術(shù)室現(xiàn)場短時(shí)間內(nèi)完成，必須撤機(jī)維修。中等故障占25%左右，而簡單故障卻達(dá)到60%左右，其中使用不當(dāng)或操作失誤引起故障占30%左右。

　　After a long-term operation room instrument and equipment maintenance, it is found that the fault can be divided into complex fault, medium fault and simple fault according to the maintenance difficulty and fault size. According to statistical analysis, the probability of complex fault is only 15% (such as the main engine and main circuit are broken). Due to various conditions, this part of fault is difficult to be completed in the operating room in a short time, so it must be removed for maintenance. Medium fault accounts for about 25%, while simple fault accounts for about 60%, among which the fault caused by improper use or operation error accounts for about 30%.
           

　　人工氣腹系統(tǒng)常見的故障

　　Common faults of artificial pneumoperitoneum system

　　（a）壓力顯示不正確。這多是氣體壓力傳感器損壞，如果機(jī)器設(shè)計(jì)有一組多個(gè)壓差壓力傳感器同時(shí)工作的，一般一個(gè)老化或者污染無法工作的時(shí)候，我們要把這組傳感器部更換，否則只換其中一個(gè)，其他的同組的傳感器壽命也接近臨界了。

　　(a) The pressure display is not correct. Most of these are gas pressure sensors damaged. If the machine is designed to have a group of multiple differential pressure sensors working at the same time, and generally a group of sensors cannot work due to aging or pollution, we need to replace this group of sensors, otherwise only one of them will be replaced, and the life of other sensors in the same group is close to the critical point.

　　（b）流量不準(zhǔn)確。氣體流量傳感器損壞更換即可。有時(shí)候是通過壓差來計(jì)算流量的，這時(shí)候我們就要更換新的壓差傳感器。

　　(b) The flow is not accurate. Replace the damaged gas flow sensor. Sometimes the flow is calculated by the differential pressure. At this time, we need to replace the new differential pressure sensor.

　　（c）設(shè)備漏氣。很多情況是器械密封圈老化而引起的。但也有設(shè)備機(jī)械減壓閥漏氣和電磁閥損壞的原因，這個(gè)比較容易判斷出并對其進(jìn)行修復(fù)。

　　(c) Air leakage of equipment. Many cases are caused by the aging of the sealing ring of the instrument. But there are also reasons for leakage of mechanical pressure reducing valve and damage of solenoid valve, which is easy to judge and repair.

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