Deflection devices, systems and methods for the prevention of stroke

摘要

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.

主权项

1. A system for the prevention of stroke, the system comprising:
a 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 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; and a retrieval device comprising a proximal end for manipulation by a user and a distal end comprising one or more second attachment portions, wherein each of the one or more second attachment portions of the retrieval device are configured to engage the first attachment portion of the anchor portion of the stroke prevention device.