3 Common Errors with Foley Catheter Insertion #1 → Breaking Sterile Field Remember, this is a skill requiring sterile technique! If you break sterile field, always restart. Infection prevention is PRIORITY! #2 → Inflating Balloon Too Soon Do not inflate the balloon before you see urine flow through the drainage tube! Doing this can cause injury to the urethra. #3 → Incorrect Insertion Site Most commonly in females, the insertion attempt can sometimes be in the wrong place – remember, everyone’s