The cystoscope can be sterilized with 40% formalin (formaldehyde) solution for 20 minutes or soaked with 10% formalin solution for 20 minutes. The cystoscope should not be disinfected by boiling, alcohol, 0.1% new cleaning and soaking to avoid damage to the cystoscope.
The surgeon should wash hands, wear sterile clothes and wear sterile gloves. The principle of aseptic operation should be emphasized to avoid iatrogenic urinary tract infection and other complications.
The patient is ready to empty the bladder and take the lithotomy. The vulva should be disinfected with soapy water, sterile saline solution and progeramine solution. Spread disinfectant towel to expose urethral opening.
