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Detachable microcoil delivery catheter

  • US 5,725,546 A
  • Filed: 06/24/1994
  • Issued: 03/10/1998
  • Est. Priority Date: 06/24/1994
  • Status: Expired due to Term
First Claim
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1. A combination pusher-coil for occluding a vessel at a selected vascular site within the vessel comprising:

  • (a) a helically wound coil having a proximal end and an opening in that coil proximal end for accepting an engaging tip on a pusher wire, and(b) a pusher wire having a longitudinal axis and a distal engaging tip,said distal engaging tip having an outer surface with grooves formed therein said outer surface is unitary with the distal engaging tip, said distal engaging tip for entering the opening in the proximal end of the helically wound coil.

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