A guidewire device comprising a micro-fabricated elongated outer member having an outer surface and an interior surface forming a lumen extending from a proximal end to a distal end and a plurality of fenestrations made through said outer surface and said interior surface into a least a portion of said lumen an outer elastomer laminate layer in contact with at least a portion of said outer surface and filling at least a portion of said plurality of fenestrations and an inner member disposed within a substantial portion of said lumen, and embodiments thereof.
