Patent ID: 8764683

Claim:
A guidewire comprising: a corewire having a proximal end portion and a distal end portion; an elongate shroud disposed about said corewire, said shroud having a distal end and a proximal end and defining a longitudinal axis extending through a center of said shroud from said shroud proximal end to said shroud distal end; a plug coupled with said distal end portion of said corewire and said distal end of said shroud, said plug having a distal, non-traumatic tip portion; and a sensor disposed radially-outward of said corewire and radially-inward of said shroud, wherein said sensor comprises: a core comprising magnetically permeable material, said core having a lumen axially extending therethrough, said corewire extending through said lumen; and a coil disposed about said core; wherein said coil and said core form at least a portion of said sensor and are disposed radially-inward of said shroud.