The endoscope is a long and soft tube with a micro camera at the top, and a channel in the tube allows various instruments to pass, including snares and biopsy equipment. Endoscopy is a kind of medical means to help diagnose and treat various gastrointestinal and respiratory diseases. According to the symptoms, it is mainly used to check the throat, inner wall of stomach and intestine, colon or respiratory tract (nose, throat and lung), and can collect samples of these areas, and then analyze them to determine the nature of the disease.

　　当常规血检、尿检、x光和超声查看不能确诊病因时，应运用内窥镜检查。查看胃肠道内壁和呼吸道有助于更加顺利地找到问题的根源。关于较薄的反常组织，可在内窥过程中切取样本并拿出来活检剖析。在异物阻塞的情况下，内窥镜检查是一种能替代“切断手术”的非常好的治疗方法。

　　When routine blood test, urine test, X-ray and ultrasonic examination can not confirm the cause of the disease, endoscopy should be used. Looking at the inner wall of the gastrointestinal tract and the respiratory tract will help you to find the root cause of the problem more smoothly. For thinner abnormal tissues, samples can be cut and biopsied during endoscopy. In the case of foreign body obstruction, endoscopy is a very good alternative to "amputation surgery".
               

　　而如果需求进行全层活检，通常不建议运用内窥镜查看。别的，内窥镜无法用来检查肠道异物或中肠疾病。

　　If a full-thickness biopsy is required, endoscopy is not usually recommended. In addition, endoscopy cannot be used to detect intestinal foreign bodies or midgut diseases.

　　内窥镜能够用来检查什么呢？

　　What can an endoscope be used to check?

　　内窥镜检查能显示胃内是否有异物存在。它也被用来揭示胃、肠、结肠或呼吸道中是否有可疑或反常的区域。如有需求，内窥镜还能协助兽医进行活检。

　　Endoscopy can show the presence of foreign bodies in the stomach. It is also used to reveal whether there are suspicious or abnormal areas in the stomach, intestine, colon or respiratory tract. Endoscopes can also assist veterinarians with biopsies if needed.

　　如何在狗身上做内窥镜检查？

　　How to do an endoscopy on a dog?

　　内窥镜查看是在全身麻醉下进行的。一旦患狗失去认识，兽医再把呼吸管预备就位，内窥镜检查就能够开始了。内窥镜的顶级会涂有微量的润滑剂，以便能较为容易地通入狗的体内。内窥镜的顶级会先被放置在身体的孔口处(如：口、结肠或气管)。然后操作者运用目镜进一步引导仪器安全经过食道、结肠或呼吸道。兽医会在某些情况下往管道里通入空气使胃肠道胀大，以便观察。一旦异物或反常区域被定位，特定的仪器就能够经过管道内的通道进入体内。经过运用目镜和操作内窥镜的顶级，该仪器能够用来检测一个特定区域或提取活检样本。一旦手术完成，多余的空气就会从肠道中被抽出，然后内窥镜被移除。任何活检样本都要提交给外部实验室进行剖析。测验成果或许需求3-5天。内窥镜查看的整个过程或许需求1-3个小时。

　　Endoscopy was performed under general anesthesia. Once the dog loses recognition, the veterinarian prepares the breathing tube in place, and the endoscopy can start. The top end of the endoscope will be coated with a small amount of lubricant, so that it can be easily passed into the dog's body. The top end of the endoscope is placed at the opening of the body (such as the mouth, colon or trachea). The operator then uses the eyepiece to further guide the instrument safely through the esophagus, colon or respiratory tract. In some cases, veterinarians will put air into the tube to swell the gastrointestinal tract for observation. Once a foreign object or abnormal area is located, a specific instrument can enter the body through a channel in the pipe. Through the use of eyepiece and operation of the top-level endoscope, the instrument can be used to detect a specific area or extract biopsy samples. Once the operation is completed, excess air is drawn out of the intestine and the endoscope is removed. Any biopsy samples should be submitted to an external laboratory for analysis. Test results may take 3-5 days. The whole process of endoscopic viewing may take 1-3 hours.

　　许多兽医诊所都不会提供内窥镜检查。因为相关的设备往往是非常贵重的，并且兽医如果想把握熟练的内窥镜检查才能的话，就必须接受适当长的培训时间，为此，内窥镜检查或许需求转介到专科诊所来进行。

　　Many veterinary clinics do not offer endoscopy. Because the relevant equipment is often very expensive, and if the veterinarian wants to master the skill of endoscopy, he must receive appropriate long training time. Therefore, endoscopy may need to be referred to a specialist clinic.

　　内窥镜检查是无痛的吗？

　　Is endoscopy painless?

　　因为手术是在麻醉下进行的，所以狗狗不会感觉到痛苦。别的，这项检查也不会触及“切断”，所以术后不会有任何痛苦。然而，术后或许会呈现因为暂时放置呼吸管而导致的不适感，不过，这种不适感也是因狗而异的。

　　Because the operation is performed under anesthesia, the dog will not feel pain. In addition, the examination will not touch "cut off", so there will be no pain after the operation. However, the discomfort caused by the temporary placement of the breathing tube may appear after the operation, but the discomfort also varies from dog to dog.

　　内窥镜检查需求冷静或麻醉吗？

　　Does endoscopy require calmness or anesthesia?

　　上面提到过，内窥镜检查是需求全身麻醉的，以此来使狗狗处于一个失去认识、无痛苦和肌肉放松的状态。在通常情况下，宠物会先被服用冷静药物来协助它放松，然后再给它施予时间短的静脉麻醉以答应兽医在它的气管中放置呼吸管，随后在手术过程中不断通入麻醉气体来使它处于“无认识”的状态。

　　As mentioned above, endoscopy requires general anesthesia to keep the dog in a state of loss of awareness, pain free and muscle relaxation. In general, a pet will be given a cool drug to help him relax, and then given a short-term intravenous anesthesia to allow the veterinarian to place a breathing tube in his trachea. Then, during the operation, he will be continuously infused with anesthetic gas to keep him in the "unconscious" state.