In recent years, with the continuous development of social economy, endoscopy is more and more widely used in our daily life, but many people are not very clear about the knowledge of endoscope. In fact, endoscope generally refers to the medical equipment that enters the human body through various channels to observe the internal conditions of the human body. Let's take a look at some of the main work of endoscope maintenance.
During the operation, hard tube endoscope is not damaged in many cases. Although it may contact and bump with human tissues such as muscle, mucous membrane and bone, these bumps are slight and will not cause damage to the endoscope, because it is only used for observation, not the force bearing point of other instruments. However, when using other instruments, especially forceps and scissors with large bite force, the front end of the lens tube should not extend into the occlusal area of the instrument, so as to avoid accidental injury to the lens tube. When using this kind of instrument, sometimes the doctor extends the endoscope very close to the tissue in order to see clearly the tissue in the occlusal area. When the instrument is occluded, the endoscope does not return and the endoscope is injured by mistake. This kind of accident can be avoided if the occlusal mouth of the instrument is all within the scope of the endoscope.
Some operating endoscopes are used in the sheath tube. When replacing the endoscope with other angles or inserting and pulling out the instrument, the action should be light and the force should not be too strong. Especially in the process of inserting and pulling out the endoscope, when the resistance is encountered, the reason should be carefully found out. If necessary, it should be pulled out together with the sheath tube, without brute force. When the endoscope is operated with laser vaporization, high-frequency electrosurgical excision, microwave and other photoelectric technologies, attention should be paid to the distance between the front end of the endoscope and the treatment point to ensure that the front end of the endoscope is not shocked or burned. When the planer blade works abnormally or the illumination suddenly decreases, the endoscope may have been damaged, so it should be replaced in time to avoid greater loss. For general important surgery, there should be a set of spare endoscopes and key instruments, which can be easily replaced when problems are found; if the endoscope with inappropriate angle or incompatible equipment is used to force the operation, it is easy to cause damage to the endoscope.
How to maintain the rigid tube endoscope hard tube endoscope should be kept in a special cabinet, placed in a special packing box, lined with soft sponge or polyurethane foam. All endoscopes and surgical instruments should be stacked in order and should not be overlapped. After the box cover is covered, the internal endoscope and instruments will not collide with each other during transportation. As the endoscope tube is very thin, it will bend and deform when it is squeezed, bumped, bent or landed on the ground, resulting in lens damage or optical axis offset, resulting in unclear or unusable images. Therefore, when taking out or putting the hard tube endoscope out of the packaging box, both hands should be held flat and gently taken out or put in. It is forbidden to lift a section of the endoscope out. When the endoscope is placed in the tray and other hard containers, it should be placed separately from other instruments, and should not be unduly bumped to avoid collision with the endoscope. There should be desiccant in the packing box to keep it dry.
Ordinary hard tube endoscopes are not resistant to high temperature and high pressure. The main reason is that the sealing glue will deteriorate and deform under high temperature, and the endoscope will open glue and water into the endoscope. Therefore, it can not be disinfected by boiling and high-pressure steam and other high-temperature and high-pressure methods. Most of the damage of hard tube endoscope is due to careless maintenance, bumping, landing and other reasons. There are also individual manufacturers of packaging glue, packaging technology, packaging structure problems, resulting in endoscope water, open phenomenon, these can be repaired. Although rigid tube endoscope is a delicate medical device, it is not easy to have problems in normal clinical operation or observation. As long as it is used properly, carefully and carefully, doctors can use it at ease, and the hard tube endoscope will also play the greatest benefit.
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