Variable cross-section conical vasoocclusive coils

Details Variable cross-section conical vasoocclusive coils Variable cross-section conical vasoocclusive coils

1996-03-28

1997-07-22

Buiz, Michael

Surgery

Instruments

Internal pressure applicator

606198, 600200, 604104, 623 1, 623 11, A61B 1712

Patent

active

056499493

ABSTRACT:
This is an implantable vasoocclusive device. It is constructed of a primary helically wound coil, which primary coil is further wound into secondary shapes which are at least partially substantially conical. Other portions of the secondary shape may have sections of constant diameter or of other conical shapes. The primary coil may be made in such a way that it has regions of differing flexibility. Fibrous materials may be placed on the coils in tufted, streamer, or woven configurations so to increase the thrombogenicity of the overall assembled device.

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