Endoscopy has become an indispensable medical equipment in the medical field, which can help people better observe the condition of organs in the body. Under what circumstances do medical endoscopes need to be repaired?

　　一、压力显现不正确。这多是气体压力传感器损坏，假如机器规划有一组多个压差压力传感器同时作业的，一般一个老化或者污染无法作业的时候，我们要把这组传感器全部替换，不然只换其间一个，其他的同组的传感器寿数也挨近临界了。

　　1、 The pressure appears to be incorrect. This is mostly due to the damage of the gas pressure sensor. If the machine is planned to have a group of multiple differential pressure sensors working at the same time, generally when an aging or pollution can not work, we should replace all of these sensors, otherwise only one of them will be replaced, and the service life of other sensors in the same group will be close to the critical value.

　　二、流量不准确。气体流量传感器损坏替换即可。有时候是通过压差来计算流量的，这时候我们就要替换新的压差传感器。

　　2、 The flow rate is not accurate. Replace the damaged gas flow sensor. Sometimes the flow rate is calculated by differential pressure. At this time, we have to replace the new differential pressure sensor.

　　三、设备漏气。很多情况是器械密封圈老化而引起的。但也有设备机械减压阀漏气和电磁阀损坏的原因，这个比较简单判别出并对其进行修正。

　　3、 Air leakage of equipment. Many cases are caused by the aging of instrument sealing ring. But there are also reasons for the leakage of the mechanical pressure reducing valve and the damage of the solenoid valve, which is relatively simple to identify and correct.
                  

　　内窥镜在200年多年的开展过程中结构发生了4次大的改善，从刚开始的硬管式内窥镜（1806-1932）、半曲式内窥镜（1932-1957）到纤维内窥镜（1957今后），又到现在的电子内窥镜（1983年今后）。影像质量也发生了一次次质的腾跃。

　　The structure of endoscope has been improved four times in the course of more than 200 years, from hard tube endoscope (1806-1932), semicircular endoscope (1932-1957), fiber endoscope (1957-1957), and now electronic endoscope (1983). The image quality has also undergone a qualitative leap.

　　医用内窥镜是一种常用的医疗器械，由可曲折部分、光源及一组镜头组成。 经人体的天然孔道，或是经过手术做的小切断进入人体体内。使用时将内窥镜导入预查看的器官，可直接窥探有关部位的变化。

　　Medical endoscope is a kind of commonly used medical equipment, which is composed of zigzag part, light source and a group of lenses. Through the human body's natural channels, or through small surgical cut-off into the body. When in use, the endoscope can be introduced into the organs to be examined, and the changes of relevant parts can be observed directly.

　　手术中使用内窥镜是非常普遍的了，不过还是要注意使用方式以及及时维修。

　　The use of endoscopes in surgery is very common, but we still need to pay attention to the use and timely maintenance.

　　一、手术时禁止大力弯折或碰撞

　　1、 Do not bend or collide vigorously during operation

　　二、运用辅佐设备时要保证在视界内安全操作，当窥镜配合激光汽化、高频电切、微波等光电技能进行手术时，应留意窥镜前端与医治点的距离，保证窥镜前端不被电击或炙烤。

　　2、 When using the auxiliary equipment, it is necessary to ensure safe operation within the visual field. When the endoscope is operated with photoelectric skills such as laser vaporization, high-frequency electrosurgical excision and microwave, the distance between the front end of the endoscope and the treatment point should be noted to ensure that the front end of the endoscope is not shocked or roasted.

　　三、术中调整视界视点时需保护好镜子本身，镜子与鞘管链接时必须对准方位并用卡锁固定，不易过猛。

　　Three, during the adjustment of the view point, the mirror itself must be protected. When the mirror is linked to the sheath tube, it must be aligned to the position and fixed with a card lock.

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