Methods of colonoscopy

The method of colonoscopy can be divided into intestinal preparation, anal local anesthesia, examination process, etc., the specific analysis is as follows:

1, intestinal preparation

Before the examination, patients need to clean the intestinal tract, can follow the doctor's advice to apply magnesium sulfate injection, compound mannitol injection sorbitol injection and other drugs, help speed up the excretion of feces in the intestinal tract, provide a good view for colonoscopy.

2, anal local anesthesia

Before the examination, the doctor will give the patient a local anesthesia around the anus to reduce the pain during the examination.

3, the examination process

, the doctor will insert a small tube with a micro camera from the anus into the large intestine. The tube can transmit the internal situation of the large intestine to the computer screen through the camera, so that the doctor can observe and diagnose.