Endovaskulær ledetrådspids, der kan skilles fra elektrolytisk

摘要

A combination of a guidewire and a voltage source, the guidewire being connected to the voltage source and being for use with a microcatheter, the guidewire being suitable for use in the initiation or formation of a thrombus due to the application of electric current to the guidewire by the voltage source, the guidewire comprising: a core wire terminating at a distal end; and a tip portion for endovascular insertion within a vascular cavity, said tip portion being coupled to said distal end of said core wire via a connecting segment at least one portion of which segment is susceptible to electrolytic disintegration in blood to detach the tip portion from the core wire; the guidewire being so constructed and arranged that, on the application of electric current to the guidewire when said tip portion is endovascularly disposed in the vascular cavity, said at least one portion of said connecting segment is electrolytically disintegrated and said tip portion detached from said core wire to enable the removal of the core wire whilst leaving the detached tip portion within the vascular cavity.