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Multiple layered vaso-occlusive coils

  • US 5,749,891 A
  • Filed: 01/07/1997
  • Issued: 05/12/1998
  • Est. Priority Date: 06/06/1995
  • Status: Expired due to Term
First Claim
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1. A vaso-occlusive device comprising a primary coil constructed of a plurality of helically wound turns of a biocompatible wire said helical primary coil shaped into a secondary form having a single longitudinal axis with at least a first section having a first section end and a second section end and a second section, said first and second sections constructed of a plurality of helically wound turns of said primary coil and wherein said second section is at least partially surrounded by said first section between said first section end and said second section end.

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