Embolic coil delivery system with mechanical release mechanism
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United States of America Patent
Stats
-
Mar 8, 2011
Grant Date -
Apr 3, 2008
app pub date -
Sep 29, 2006
filing date -
Sep 29, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A medical device for placing an embolic device at a predetermined site within a vessel of the body including a delivery catheter and a flexible pusher member having a lumen therethrough and being slidably disposed within the lumen of the catheter. An embolic coil is retained within the delivery catheter by a mechanical interlocking mechanism which includes a pusher member having an integral tab portion extending from the distal end thereof and having an aperture extending therethrough. The tab portion extends through one of the turns of the embolic coil at the proximal end of the coil. An elongated detachment member extends through an aperture of the tab portion thereby locking the embolic device onto the pusher member. When the embolic device is advanced to the predetermined site within the vessel, the detachment member is withdrawn from the aperture to thereby release the embolic device at the treatment site.
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