THE PLASTIC STENT

摘要

PURPOSE: A plastic stent is provided to prevent internal conduit lines from being obstructed due to infected endocrine liquid and to facilitate the flow of endocrine liquid. CONSTITUTION: A plastic stent comprises a body, a flow hole(2), an operating unit(20), a male screw thread unit(23). In the flow hole inner circumference of the body, a female screw thread(2b) is formed. In the terminal circumferential surface of a stent pusher of the operating unit, the male screw thread unit having a male screw thread(22) is formed. The female screw thread is formed in the inner circumference of the flow hole.