Patent ID: 7425215

Claim:
A method for delivering a filter device within a body vessel, comprising: providing a first guide wire having a proximal end and a distal end and a filter device mounted near the distal end, a sheath having a proximal end and a distal end and including a first lumen for receiving the filter device and a second lumen for receiving a second guide wire therethrough, the first lumen extending into the second lumen near the distal end of the sheath; advancing the second guide wire into the area of interest within the body vessel; advancing the filter device and sheath along the second guide wire for positioning the filter device within the area of interest in the body vessel; retracting the sheath proximally from the filter device; deploying the filter device within the body vessel; and advancing an interventional device over the first guide wire to the area of interest, wherein the sheath has a length and the second lumen for receiving the second guide wire has a length substantially the same as the sheath.