Detachable embolic coil assembly using interlocking hooks and slots
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United States of America Patent
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-
Sep 1, 1998
Issued Date -
N/A
app pub date -
Mar 7, 1995
filing date -
Apr 19, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention is a surgical instrument and specifically is a device for delivering embolic coils to a selected site within the vasculature or other lumen of a human body via use of a catheter. The invention includes the coils as well. In particular, the device uses embolic coils having a receiving slot on one end of the coil; a catheter control wire or pusher guidewire having a hook which cooperatingly engages the coil's receiving slot is used as a coil pusher to eject the coil at the chosen site. The coils of this invention may also be placed within the lumen with a catheter in a nose-to-tail fashion and pushed into the body lumen. Pushing the coil assembly via the pusher from the distal end of the catheter body uncouples the most distal coil.
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