¡¡èMedicine reservoir makes of silicone with stabilized resilience, to get the goal of continuous inject medicine by controlling flow rate. ¡¡èUse Germany UV glue water and unique cementation technique to solve the problem of leakage. ¡¡èUse refined filter to solve the problem of mote pollution. ¡¡èUse PCA controller and patients can control the replaced dosage. ¡¡èUse computer measurement system. View data is reliable. ¡¡èFor single use, non-electric power, it's more convenient, safe and effective. 1pc/pouch, 10pcs/box, 4bxes/case