Patent ID: 6645239
Filing Date: 2003-11-11
Classification: A61F

Abstract:
A foundation device for inserting a stent into a stenosed vessel of a patient so as to restore the stenosed vessel, comprising an actuator movably enclosing an actuation steel core, an outside hollow tube hermetically connected to a front end of said actuator, and a movable tube connected to a front end of said actuation steel core and movably received within said outside tube so as to be axially movable along the outside tube by the actuation steel core, further comprising:an insert tube movably received within the outside tube and connected to a front end of said movable tube, thereby being axially movable relative to the outside tube; an insert tip connected to a front end of said insert tube, said insert tip having a step forming a fitting end, at which the insert tip is partially fitted into the front end of the outside tube and is connected to the front end of said insert tube; and a thread having a fixed end fixed to said insert tube at a position spaced apart from said step of the insert tip by a distance and having a free end for circumferentially and continuously stitching on said stent upwardly and downwardly while passing through diamond-shaped meshes of said stent when said stent is fitted over said insert tube.