The creation system includes a first fixed body unit, a second fixed body unit and a catheter fixing unit. The first fixed body unit has a covered face. The catheter fixation unit is fixed to the covering surface for covering a dialysis catheter, and the dialysis catheter is inserted under the clavicle of a patient. Thereby, when the catheter fixing unit stably covers the dialysis catheter, the first fixed body unit is obliquely fixed between the shoulder and the underarm, the second fixed body unit is fixed to the body, and the two fixed body units are fixed to each other； The dialysis catheter is grasped and dropped. Therefore, the case has the advantages of greatly reducing the probability that the dialysis catheter is caught and dropped, greatly improving the safety of using the dialysis catheter, and improving the stability of the dual positioning.本創作係包括一第一固定本體單元、一第二固定本體單元及一導管固定單元。第一固定本體單元具有一包覆面部。導管固定單元固定於包覆面部，用以罩覆一透析導管，透析導管插入一患者之鎖骨下方。藉此，當導管固定單元穩定罩覆透析導管，第一固定本體單元斜向固定於肩膀及腋下之間，第二固定本體單元固定於身部，兩固定本體單元再相互固定；即達成減少透析導管被抓扯掉落之裝置。故，本案達到兼具大幅降低該透析導管被抓扯而掉出之機率、可大幅提高使用透析導管之安全性及雙重定位提高穩定性等優點。
