The urethral dilator is a common medical device used in urology to treat urethral stricture. The head end is bent upward, and the material is metal. Operation method: First, the patient's external urethral orifice and surrounding skin are disinfected with iodophor, and obucaine gel is injected into the urethra. After waiting for 2-3 minutes, urethral dilators with different thicknesses of f4-f7. number for urethral dilation. For male patients, the penis is first lifted vertically, and the urethral dilator is placed in the urethra. After reaching the bulbous urethra, the dilator is pushed down slowly, and the resistance suddenly decreases and there is a feeling of inhalation, indicating that the urethral dilator enters the bladder. The process of urethral dilation should not be operated violently, and the operation is difficult to perform under anesthesia.
