A kind of structure-improved of catheter tube for medical treatment component,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,The wound portion extends to the tube body both ends open,And cut and flush with the tube body both ends opening,And pipe joint,The pipe joint is that the first cylindrical body and the second cylindrical body form,Second cylinder diameter is small compared with first cylinder diameter,The pipe joint is equipped with a hollow portion,Spiro union portion is equipped in the hollow portion,The pipe joint is spirally connected fixation through the spiro union portion and the tube body both ends,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,Reaching makes the conduit maintain the effect of unimpeded at any time.一種醫療用導管組件之改良結構,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端開口,並與該管體兩端該開口削切齊平,以及管體接頭,該管體接頭為第一圓柱體及第二圓柱體組成,該第二圓柱體直徑較該第一圓柱體直徑小,該管體接頭穿設有一中空部,該中空部內設有螺接部,該管體接頭透過該螺接部與該管體兩端螺接固定,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,達到使該導管隨時維持暢通之功效。