Adson's suction tube的用法和样例：
- Methods 18 cases of serious epistaxis inposterior nares were treated by nasal endoscopy ,electric cauterization pin and suction tube.
- The technique of transcervical chorionic villus sampling (TCVS) was studied in 155 cases for selected abortion in the first trimester of pregnancy, and 3 kinds of suction tube were compared.
- An instrument is clamped to the cervix in order to hold it in position, and a suction tube is then inserted through the dilated cervix into the uterus, sucking the embryo into a bottle.
- Conclusion Enzyme fluid immersion and manual scrubbing are of importance for the cleaning of the suction tubes and manual cleanng and jet gun spraying can effectively remove the organic residues left inside the lumen of the tube.
- Enlarge diameter of suction tube, clean out block
- Diameter of suction tube too small or dirt blocked