Efficacy and Safety Study of Electroacupuncture for Simple Female Stress Urinary incontinence-a Multicenter Trial

Procedure: electro-acupuncture;Points: Bilateral Zhongliao (BL33) Huiyang(BL35).Specially-made pad is stick on pierced acupoints. Bilateral BL33 are given acupuncture of 50～60mm with 30～45°angle to inward and downward by 75mm filiform needle. Bilateral BL35 are given acupuncture of 50～60mm to outward and upward by 75mm filiform needle. Twirl, lift and thrust for 3 times, until local sour and heavy feeling coming.The electric stimulator is applied to bilateral BL33 and BL35, with continuous wave,50 Hz and electric current 1- 5mA.Every session lasts for 30 min per day.The participants are treated continuously for 6 weeks for 3 sessions a week, 18 sessions for each patient in all. The treatment is designed based on recent literature research in 10 years, former result and expert consensus.

Procedure: sham electroacupuncture;Points: Bilateral sham Zhongliao (BL33) sham Huiyang(BL35).Specially-made pad is stick on pierced acupoints. Both sham BL33 and BL35 are given non-penetrating needling with blunt needle. Twirl, lift and thrust for 3 times. The sham electric stimulator is applied to bilateral sham BL33 and sham BL35. The mental wire has been cut off with a same outlook as the treatment group. The electric stimulator is looked normal but with no current output. Length of Treatment and the treatment sessions are the same as treatment group.