Doctor tested balloon in flush bowl prior to insertion into patient.Balloon tested appropriately, held water and deflated appropriately.Doctor inserted balloon through 12fr sheath, advanced swan, unable to inflate balloon.Removed swan from patient and retested balloon in flush bowl.Balloon had a hole.Doctor called for another swan, same latex free swan with different lot number.Balloon worked prior to insertion but again had a hole in it after inserted and removed through 12fr sheath.Doctor pretreated patient for latex allergy, called for latex swan, balloon inflated without any problems.
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