A kind of structure-improved of catheter tube for medical treatment,It includes a tube body,The tube body has around property,Spiral wound portion is equipped on the outside of the tube body,The tube body is an integral molding structure with the wound portion,It is open-ended that the wound portion extends to the tube two sides,And flushed with open-ended cut of the tube two sides,Combination through the tube body and the wound portion forms,The crushing resistance of the tube body can be effectively promoted,Prevent external force from squeezing the tube body,Or because bending keeps the tubular body unobstructed,The wound portion can effectively prevent the above problem,Reaching makes the conduit maintain the effect of unimpeded at any time.一種醫療用導管之改良結構，其包含一管體，該管體具有繞性，該管體外側設有螺旋狀纏繞部，該管體與該纏繞部為一體成型結構，該纏繞部延伸至該管體兩側端部開口，並與該管體兩側端部開口削切齊平，透過該管體與該纏繞部之結合組成，可有效提升該管體之抗壓性，防止外力擠壓該管體，或因彎折使該管體內部無法通暢，該纏繞部可有效預防上述問題，達到使該導管隨時維持暢通之功效。
