Stroke prevention devices, systems, and methods
AssigneeCVDevices, LLC
InventorsGhassan S. Kassab, Hyo Won Choi, SR., Jose A. Navia, SR.
Life of this patent
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Abstract
Deflection devices, systems, and methods for the prevention of stroke. Devices hereof comprise an extension portion and an anchor portion, both of which are configured to prevent the device from advancing into the artery extending from the aortic arch in which the device may be positioned. Additionally, a retrieval system is provided, the system comprising a sleeve catheter and a retrieval device slidably disposed therein. The distal end of the retrieval device comprises one or more attachment portions configured to engage at least a portion of the anchor portion of a device positioned within an artery extending from the aortic arch.
Claims20
A stroke prevention device, the stroke prevention device comprising:
- an extension portion having a first end and a second end, the extension portion sized and shaped to fit within an artery extending from an aortic arch;
- an anchor portion comprising a plurality of wings coupled with the second end of the extension portion, the anchor portion sized and shaped to prevent the stroke prevention device from advancing into the artery extending from the aortic arch in which the first end of the extension portion may be positioned and each comprising a first attachment portion;
- and
- two or more parallel convex struts positioned across an opening defined within the second end of the extension portion, the two or more parallel convex struts configured to divert an embolus from entering the artery when the first end of the extension portion is positioned within the artery;
- wherein the first attachment portion of the anchor portion of the stroke prevention device is configured to be engaged by an attachment portion of a retrieval device to remove the stroke prevention device from the artery.
A stroke prevention device, the stroke prevention device comprising:
- an extension portion having a first end and a second end, the extension portion sized and shaped to fit within an artery extending from an aortic arch;
- an anchor portion comprising a plurality of wings coupled with the second end of the extension portion, the anchor portion sized and shaped to prevent the stroke prevention device from advancing into the artery extending from the aortic arch in which the first end of the extension portion may be positioned and each comprising a first attachment portion;
- and
- two or more parallel convex struts positioned across an opening defined within the second end of the extension portion, the two or more parallel convex struts configured to divert an embolus from entering the artery when the first end of the extension portion is positioned within the artery;
- wherein the first attachment portion of the anchor portion of the stroke prevention device is configured to be engaged by an attachment portion of a retrieval device to remove the stroke prevention device from the artery;
- wherein the anchor portion is autoexpandable from a collapsed configuration to an expanded configuration;
- and
- wherein the stroke prevention device further comprises one or more radiopaque markers positioned upon one or more of the plurality of wings.
A method for preventing stroke, the method comprising the steps of:
- introducing a device for preventing stroke into a body, the device comprising:
- an extension portion having a first end and a second end, the extension portion sized and shaped to fit within an artery extending from an aortic arch,
- an anchor portion comprising a plurality of wings coupled with the second end of the extension portion, the anchor portion sized and shaped to prevent the device from advancing into the artery extending from the aortic arch in which the first end of the extension portion may be positioned, and
- two or more convex struts positioned across an opening defined within the second end of the extension portion, the two or more convex struts configured to divert an embolus from entering the artery when the first end of the extension portion is positioned within the artery;
- wherein the first attachment portion of the anchor portion of the device is configured to be engaged by an attachment portion of a retrieval device to remove the stroke prevention device from the artery;
- navigating the device within the body until the device reaches an aortic arch;
- and
- positioning the device within a vessel branching from the aortic arch so that the two or more convex struts are positioned approximately perpendicular to, in a direction of (i.e. approximately parallel with), or in an oblique manner relative to, a direction of blood flow within the aortic arch.
Dependencies are inferred from the claim text.