FILAMENTARY DEVICES FOR TREATMENT OF VASCULAR DEFECTS

Abstract: devices and methods for treatment of a patient's vasculature may include a self-expanding permeable implant having a plurality of elongate filaments forming a tubular braided structure secured in a hub at a proximal end of the permeable implant. at least some filaments may have a diameter between about 0.0005 and about 0.005 inches. the implant includes at least some filaments consisting of nitinol and at least some composite filaments that are drawn filled tube wires comprising an external nitinol tube and a radiopaque material concentrically disposed within the external tube. the implant has at least about 25% composite filaments relative to a total number of filaments, and wherein a total number of filaments is about 10 to about 300.

Inventor(s): Todd J. Hewitt, Brian E. Merritt, William R. Patterson

CPC Classification: A61B17/12113 (for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord (specially adapted for vas deferens or fallopian tubes ; materials for ligaturing blood vessels ))

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