发明名称 |
FILAMENTARY DEVICES FOR TREATMENT OF VASCULAR DEFECTS |
摘要 |
Devices for treatment of a cerebral aneurysm are described. Embodiments may include a self-expanding permeable shell having a radially constrained elongated state configured for delivery within a catheter lumen, an expanded state with a globular and longitudinally shortened configuration relative to the radially constrained state, and a plurality of elongate filaments that are woven together, which define a cavity of the permeable shell. The permeable shell includes composite filaments. The composite filaments include drawn filled tube wires having an external nitinol tube and a highly radiopaque material concentrically disposed within the external tube. The composite filaments may have a diameter of 0.00075″, 0.001″, 0.0015″, and/or 0.00125″. |
申请公布号 |
US2016015398(A1) |
申请公布日期 |
2016.01.21 |
申请号 |
US201514871352 |
申请日期 |
2015.09.30 |
申请人 |
SEQUENT MEDICAL, INC. |
发明人 |
HEWITT TODD J;MERRITT BRIAN E;PATTERSON WILLIAM R |
分类号 |
A61B17/12 |
主分类号 |
A61B17/12 |
代理机构 |
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代理人 |
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主权项 |
1. A device for treatment of a patient's cerebral aneurysm, comprising:
a resilient self-expanding permeable shell having a distal end and a proximal end and including a radially constrained elongated state configured for delivery within a catheter lumen, an expanded state with a globular and longitudinally shortened configuration relative to the radially constrained state, and a plurality of elongate filaments which are woven together and define a cavity of the permeable shell, the permeable shell comprising at least some composite filaments, the composite filaments comprising drawn filled tube wires comprising an external nitinol tube and a highly radiopaque material concentrically disposed within the external nitinol tube, wherein the permeable shell has at least about 40% composite filaments relative to a total number of filaments, and wherein a total number of filaments is about 70 to about 300, and wherein each of the composite filaments has a diameter selected from the group consisting of 0.00075″, 0.001″, 0.0015″, and 0.00125″. |
地址 |
Aliso Viejo CA US |