Assembly for placement of embolic coils using frictional placeme

Details Assembly for placement of embolic coils using frictional placeme Assembly for placement of embolic coils using frictional placeme

1992-09-22

1994-05-17

Graysay, Tamara L.

Surgery

Instruments

Means for inserting or removing conduit within body

606191, A61B 1700, A61M 2900

Patent

active

053124154

ABSTRACT:
This invention is a surgical instrument and specifically is a device for delivering embolic coils to a selected site within the vasculature of the human body via use of a catheter. Specifically, a pusher sheath within the catheter lumen pushes embolic coils mounted on a guidewire through the end of the catheter lumen. The catheter may have a constricted distal tip or other means of controlling the release of the embolic coils. Additionally (or alternatively), the guidewire may engage the embolic coils from their interior to allow precise placement of the coils.

REFERENCES:
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patent: 4813934 (1989-03-01), Engelson
patent: 4830003 (1989-05-01), Wolff et al.
patent: 4884579 (1989-12-01), Englelson
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patent: 4994069 (1991-02-01), Richart et al.
patent: 5037427 (1991-08-01), Harada et al.
patent: 5108407 (1992-04-01), Geremia et al.
patent: 5109867 (1992-05-01), Twyford, Jr.
patent: 5122136 (1992-06-01), Gugliemi

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