| 摘要 |
A method for producing an intracorporeal indwelling member, comprising a step for winding a metal wire (1) to form primary coils (2-4), a step for giving the primary coils (2-4) a shape to form secondary coils (10-19), and a step for placing the secondary coils (10-19) in an inner hollow section (43) of a shaping die (40). The secondary coils (10-19) include different patterns, such as a helical shape (20, 22-25, 29, 61, 63-65), a rectilinear shape (21, 26, 28), and an arcuate shape (27, 50-53, 60, 62). When the secondary coils (10-19) are pushed into the inner hollow section (43), the secondary coils (10-19) come into contact with the inner wall surface of the inner hollow section (43), and portions between the different patterns are randomly curved. Accordingly, the intracorporeal indwelling member has a three-dimensional structure corresponding to the shape of the inner hollow section (43). This intracorporeal indwelling member is less prone to deviate from inside an aneurysm when released into an aneurysm. |
