Self-expanding pseudo-braided intravascular device
First Claim
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1. A device for use in embolic therapy, comprising:
- an elongate filament interlaced with itself into a pseudo-braided pattern having an initial tubular shape, an internal lumen, a first end having an opening to the internal lumen and a second end having an opening to the internal lumen, the first end and the second end being collapsed upon themselves when the device is deployed at the targeted site to close the openings to the internal lumen so that the interlaced elongate filament defines a generally spherical body; and
a delivery microcatheter releasably connected to said spherical body.
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Abstract
A self-expanding, pseudo-braided device embodying a high expansion ratio and flexibility as well as comformability and improved radial force. The pseudo-braided device is particularly suited for advancement through and deployment within highly tortuous and very distal vasculature. Various forms of the pseudo-braided device are adapted for the repair of aneurysms and stenoses as well as for use in thrombectomies and embolic protection therapy.
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Citations
32 Claims
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1. A device for use in embolic therapy, comprising:
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an elongate filament interlaced with itself into a pseudo-braided pattern having an initial tubular shape, an internal lumen, a first end having an opening to the internal lumen and a second end having an opening to the internal lumen, the first end and the second end being collapsed upon themselves when the device is deployed at the targeted site to close the openings to the internal lumen so that the interlaced elongate filament defines a generally spherical body; and a delivery microcatheter releasably connected to said spherical body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A device for use in embolic therapy within a patient'"'"'s vasculature having an aneurysm sac, comprising:
an elongate filament interlaced with its self into a pseudo-braided pattern to define a generally spherical body which is formed by a generally tubular body having an internal lumen, a first end with an opening to the internal lumen and a second end with an opening to the internal lumen, the first end and a second end being collapsed upon themselves when the device is deployed at the targeted site to close the openings to the internal lumen so that the interlaced elongate filament defines a generally spherical body, the first and second ends each comprising a plurality of reversals of direction of the filament, wherein the spherical body is shaped to facilitate thrombus formation within the aneurysm sac. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for creating a generally spherical body for use in embolic therapy within a patient'"'"'s vasculature having an aneurysm sac, comprising:
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interlacing an elongate filament into a pseudo-braided pattern to define an initial, generally tubular-shaped body having a first end, a second end and an internal lumen extending between the first end and second end, each of the first and second ends having an opening to the internal lumen; and collapsed the first end upon itself when the device is deployed at the targeted site to close the opening to the internal lumen; and collapsing the second end upon itself when the device is deployed at the targeted site to close the opening to the internal lumen. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification