Patent Number: 6,569,146

Title: Method and apparatus for treating saphenous vein graft lesions

Abstract: A method for treating loosely formed, friable or fragile lesions in apatient's blood vessel. A catheter having a pair of sealing mechanisms isadvanced such that the sealing mechanisms are positioned distal to andproximal to the lesion. The sealing mechanisms are activated to seal thevessel on either side of the lesion. A medication is then deliveredthrough the catheter to the sealed area of the vessel. The medicationinteracts with the lesion in order to partially or completely solidify it.Once the lesion is solidified, the catheter is removed and the lesion canbe treated with a conventional intravascular device.

Inventors: Werner; Dennis (Redmond, WA), Dillard; David H. (Redmond, WA), Fei; Ray (Seattle, WA), Swinford; Gary (Issaquah, WA), Chandrasekaran; Verivada Chandru (Mercer Island, WA), Johnson; Tim J. (Seatac, WA)


International Classification: A61B 17/22 (20060101); A61B 17/32 (20060101); A61B 17/00 (20060101); A61M 031/00 ()

Expiration Date: 05/22015