Image Guided Surgery System Guide Wire and Methods of Manufacturing and Use

A method of treating a sinus cavity of a subject, the method comprising:

• (a) inserting a distal portion of a guide wire system into a lumen of a balloon dilation catheter, wherein the guide wire system includes:
• (i) a guide wire having a distal end and a proximal end,
• (ii) a first connector positioned at and coupled to the proximal end of the guide wire, and
• (iii) a second connector coupled to the guide wire between the distal end and the proximal end;
• (b) coupling the second connector of the guide wire system to the balloon dilation catheter such the distal end of the guide wire is fixed with respect to a distal end of the balloon dilation catheter;
• (c) directing the distal end of the guide wire and the distal end of the balloon dilation catheter to the sinus cavity;
• and
• (d) inflating a balloon.