A fluid extraction device (100) for extracting fluid from incision site on patient’s body is described. The fluid extraction device (100) includes a catheter tube (102) having first end and second end. The first end is adapted to be inserted into incision site to extract the fluid. Further, the fluid extraction device (100) includes fixator device (104) to affix catheter tube (102) to patient’s body when catheter tube (102) is inserted into incision site. The fixator device (104) includes gripper (206) adapted to attach fixator device (104) to catheter tube (102). The fixator device (104) further includes base (216) provided on lower side of fixator device (104) to secure fixator device (104) to incision site for locking catheter tube (102), and foldable membrane (222) provided between gripper (206) and base (216) to cover the catheter tube (102) during removal of the catheter tube (102) from the patient’s body.