Ultrasoft embolism devices and process for using them
First Claim
Patent Images
1. A flexible, vaso-occlusive device for forming an occlusion in a selected site of the vasculature, said device having a size and flexibility such that the device may be safely delivered to a selected site in the vasculature of the human body by hydraulic delivery, where the device deflects more than about 35°
- under its own weight when one centimeter length of the device is supported horizontally at one end.
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Abstract
An exceptionally flexible, ultra-soft vasoocclusive or embolism forming device made of a material which may be a braid, coil, or chain which forms a long, thin thread-like device having little rigidity or column strength. The device is sufficiently flexible and small that it may be hydraulically delivered to a site within the vasculature of a human body using an injected drug or fluid flush through a catheter.
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Citations
18 Claims
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1. A flexible, vaso-occlusive device for forming an occlusion in a selected site of the vasculature, said device having a size and flexibility such that the device may be safely delivered to a selected site in the vasculature of the human body by hydraulic delivery, where the device deflects more than about 35°
- under its own weight when one centimeter length of the device is supported horizontally at one end.
- View Dependent Claims (2, 3)
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4. A flexible, vaso-occlusive device for forming an occlusion in a selected site of the vasculature, said device having a size and flexibility such that the device may be safely delivered to a selected site in the vasculature of the human body by hydraulic delivery, wherein the flexible vaso-occlusive device comprises a coil or a braid having an outside diameter less than about 0.010 inches, wherein the coil or braid is sufficiently flexible that a one centimeter length of the coil or braid supported horizontally at one end will deflect more than about 20°
- under its own weight.
- View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A flexible, vaso-occlusive device of a size and flexibility safely deliverable to a selected site in the vasculature of the human body by hydraulic delivery where the device deflects more than about 35°
- under its own weight when one centimeter length of the device is supported horizontally at one end.
Specification