Bioactive occlusion coil

• US 5,658,308 A
• Filed: 12/04/1995
• Issued: 08/19/1997
• Est. Priority Date: 12/04/1995
• Status: Expired due to Term

• Current Assignee: Target Therapeutics, Inc. (Boston Scientific Corporation)
• Original Assignee: Target Therapeutics, Inc. (Boston Scientific Corporation)
• Inventors: Snyder, Edward J.
• Primary Examiner(s): Buiz, Michael
• Assistant Examiner(s): Truong, Kevin
• Application Number:
  US08/566,799
• Time in Patent Office: 624 Days
• Field of Search: 606/191, 606/192, 606/194, 606/198, 623/1, 623/12, 604/30, 604/96, 604/104
• US Class Current: 606/191
• CPC Class Codes: A61B 17/12022 Occluding by internal devices, e.g. balloons or releasable wires plugging an opening in the wall of an organ A61B17/0057; occluders for the cervical canal A61F6/146; vas deferens occluders A61F6/20
• CPC Class Codes: A61B 17/12145 having a pre-set deployed three-dimensional shape methods of manufacturing A61B2017/00526
• CPC Class Codes: A61B 17/1215 comprising additional materials, e.g. thrombogenic, having filaments, having fibers, being coated

Abstract

A thrombogenic occlusion coil for occluding a blood vessel comprising a helical metallic coil having a plurality of axially spaced windings and a plurality of strands of a thrombogenic polymer extending axially through the central core of the coil, the ends of the strands being bound together.

Claims

1. An occlusion coil for occluding an opening within the human body comprising:

a) an elongated helical coil of a biocompatible metal having a plurality of axial spaced windings; and

b) a plurality of strands of a polymeric, bioactive, occlusion-causing material extending axially through the coil, each such strand having opposing ends, and

wherein the ends of the strands are bound together.

2. The occlusion coil of claim 1 wherein the bioactive material is thrombogenic.

3. The occlusion coil of claim 1 wherein the bioactive material is fibrogenic.

4. The occlusion coil of claim 1 wherein the bioactive material comprises 25 to 500 strands.

5. The occlusion coil of claim 1 wherein the helical coil is a cylindrical helical coil.

6. The occlusion coil of claim 1 wherein said bioactive material is high density polyethylene, polyethylene terephthalate, or silk.

7. The occlusion coil of claim 1 further including

(c) a plurality of radially extending fibers attached to said windings.

8. The occlusion coil of claim 1 wherein the length of the helical coil is 0.02 to 100 cm.