Soft-ended fibered micro vaso-occlusive devices
First Claim
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1. A vaso-occlusive device comprising:
- a.) at least one elongated retainer having opposing ends, a retainer axis extending between those ends, an axial length, at least one passageway extending along said axis;
b.) at least one fiber passing through at least a portion of said at least one passageway; and
c.) at least one soft tip situated at at least one of said retainer opposing ends.
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Abstract
This is a micro-vaso-occlusive device intended generally for occlusion of small arteries located distally in the vasculature. The device is made up of a binder, often radio-opaque, which may be short in length by comparison to the length of the included thrombogenic fibers. The fibers form the other portion of the device. At least one end of the device includes a solid but comparatively soft end typically made of a molten mass of the fibers. The micro device may have multiple binder sections. The fibers may be straight, looped, or tufted.
231 Citations
27 Claims
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1. A vaso-occlusive device comprising:
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a.) at least one elongated retainer having opposing ends, a retainer axis extending between those ends, an axial length, at least one passageway extending along said axis; b.) at least one fiber passing through at least a portion of said at least one passageway; and c.) at least one soft tip situated at at least one of said retainer opposing ends. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A vaso-occlusive device comprising:
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a.) at least one elongated helical coil having opposing ends, a retainer access between those ends, an axial length, a passageway extending along said access; b.) a clip having a closed end and arms extending from that closed end, wherein the arms are passed through the retainer passageway from one opposing end to the other, c.) at least one fiber retained within the closed end of the clip; and d.) a soft tip situated at at least one of said helical coil opposing ends. - View Dependent Claims (25, 26, 27)
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Specification