Regular manufacturers of medical swabs, factory are sterilized by ethylene oxide and other means, shelf life 2-3 years.
Medical swabs opened, if the use of aseptic operation use, and specify the time to open, the expiration date can be extended accordingly to 24 hours.
The size of the opening when the swab is opened, the frequency of use, and the manner in which the user removes the swab all affect how long the swab remains sterile.
Remaining unused medical swabs that have not been aseptically operated or are not operated in a standardized manner should be regarded as contaminated expired swabs and should not be reused.
Yadu Medical medical swabs