Purpose: To investigate a new method and its effect on the procedure of dilating the ejaculatory duct and flushing the seminal vesicle with an F9 seminal vesicle scope in patients with chronic and recurrent seminal vesiculitis.Patients and methods: Twenty-six patients with a diagnosis based to signs, laboratory detection, digital rectal examination, and transrectal ultrasonography were involved in present study.The patients underwent a surgical procedure of dilating the ejaculatory duct and flushing the seminal vesicles with an F9 seminal vesicle endoscope.All patients were followed for 3 months to 1 year after treatment.