Cause analysis of nurses using unsealed sterile cotton swabs.

1. First of all, indoor air disinfection is not standardized, and the irradiation time of ultraviolet lamp is not up to standard, so it is not registered in time.

2. Secondly, the cotton swab was not marked with date, time and bottle opener when opened, and it was still used for more than 24 hours.

3. Finally, the paper packing cotton swab is easy to be damaged by moisture, and it is tightly wrapped. The cotton swab head that is easy to pollute is repeatedly pulled out from the tail by hand. The above is the writing method of the reason analysis of unopened sterile cotton swabs by nurses.