A multi-dimensional loop tip structure is provided that is capable of navigatingthrough a tortuous body lumen. The multi-dimensional loop tip structure includestwo or more loops or partial loops at the distal end of the structure. The structuremay alternatively include three or more legs at the distal end of the structure.The loops or legs allow the structure to continuously realign itself to the centerof a body lumen that it is being navigated through when encountering impedimentstherein.