Patent ID: 9011374
Filing Date: 2015-04-21
Classification: A61F,A61M

Abstract:
1. A balloon catheter for medical treatment, comprising: a catheter shaft comprising a first lumen, a second lumen and a third lumen, each of said first, second and third lumens being in communication with corresponding first, second and third ports, and at least said second and third ports being located at a proximal end of said catheter shaft, said third lumen being defined by a thin-walled liner made of a high strength material; and a balloon attached to a distal end of said catheter shaft, said first lumen extending through an inner cavity of said balloon to a first opening distal from said balloon, said first lumen thereby being adapted to receive a guide wire, said second lumen extending to a second opening within said inner cavity of said balloon, said second lumen thereby being adapted to communicate an inflation media to inflate and deflate said balloon, said third lumen extending to a third opening proximal from said balloon, said third lumen thereby being adapted to communicate with an exterior region around said catheter shaft proximal from said balloon; wherein said thin-walled liner is angled away from said first and second lumens near said proximal end of said catheter shaft, a proximal end of said thin-walled liner being bonded directly to a hub defining said third port.