Multi-center Clinical Observation of a New Treatment Method Based on the Pathogenesis of Obstructive Prostatitis

Inclusion Criteria: 1. older than 35 years old, urinary obstruction is clear; 2. the total score of chronic prostatitis symptoms index (CPSI) is greater than 14 points, and the severity of symptoms is greater than 9 points; 3. maximum urine flow rate is less than 15 ml/s; 4. cystoscopy and pathological biopsy confirmed the presence of bladder neck fibrosis, bladder trabeculae formation; 5. other conservative treatments are ineffective or ineffective, and drug treatment is not effective for more than 6 months; 6. voluntarily participated in this clinical trial, complied with the requirements of this study and signed the informed consent form. Exclusion Criteria: 1. urinary tract infection, urinary tumor, history of intestinal inflammatory disease; 2. neurogenic bladder; 3. history of pelvic radiation therapy or chemotherapy; 4. PSA is abnormal; 5. urethral stricture, history of bladder or prostate surgery; 6. the investigator determined that it is not suitable for this clinical trial.