Embolic coil hydraulic deployment system having improved cathete

Details Embolic coil hydraulic deployment system having improved cathete Embolic coil hydraulic deployment system having improved cathete

1999-02-24

2000-05-30

Buiz, Michael

Surgery

Instruments

Internal pressure applicator

606194, A61M 2900

Patent

active

060686448

ABSTRACT:
A medical device for placing an embolic coil at a preselected location within a vessel comprising a positioning catheter having a distal tip for retaining the embolic coil which when pressurized with a fluid expands outwardly to release the coil at the preselected position. The positioning catheter includes a coaxial stiffening tube and helically wound coil transition zone to provide improved positioning of the embolic coil.

REFERENCES:
patent: 4734093 (1988-03-01), Bonello et al.
patent: 4906241 (1990-03-01), Noddin et al.
patent: 5167624 (1992-12-01), Butler et al.
patent: 5201754 (1993-04-01), Crittenden et al.
patent: 5403292 (1995-04-01), Ju
patent: 5690667 (1997-11-01), Gia

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