Many diabetic patients often have catheter fracture when using insulin pump, or often have small trouble when replacing needles. Now we will give you two tricks to avoid the occurrence of these two situations in front of you: 1.Avoid catheter fracture As the catheter is near the end of the insulin pump, it is a soft and hard connection between the hose and the tightening handle, which may produce fracture with the activities of the user, a simple way is to wrap transparent tape from the tightening handle to the hose, in this way, it can avoid the wearer of the pump from cracking or fracturing the hose during the activities. 2, the skill of replacing the needle pump wearer will pull out the needle, the needle hole with sterilized cotton swab pressure for a moment, apply a little erythromycin eye ointment (both anti-inflammatory and can close the needle hole), and then use disposable paper tape can be pasted, so as to avoid the sting of alcohol sterilization and needle hole easy to infect the disadvantages.