Pigtail insertion is a minimally invasive procedure used to drain fluid, pus, or air from the chest, abdomen, or localized collections. Using ultrasound or CT guidance, a thin curled catheter is introduced through a small skin puncture for accurate placement. The curled “pigtail” tip helps secure the catheter and allows continuous, controlled drainage. Performed under local anesthesia, it offers quick relief, minimal discomfort, and faster recovery compared to surgical drainage.