smb sterile umbilical cotton tape is available in pre-cut lengths to tie off the umbilical stump during the catheterization process. it is also used to tie off the umbilical cords of newborn infants, in various other ways by surgeons and medical staff performing a wide range of procedures. in addition, to human use, umbilical tape is also applied regularly in a variety of veterinary procedures. sterilization: umbilical cotton tape is sterilized by gamma radiation sterilization.