Patent ID: 7658744
Filing Date: 2010-02-09
Classification: A61B,A61M

Abstract:
1. A balloon catheter comprising: a catheter shaft having a longitudinal axis, the catheter shaft comprising an inner shaft and an outer shaft, an inflation lumen located between the inner shaft and the outer shaft; a first inflatable balloon comprising a first blade, the first inflatable balloon in fluid communication with the inflation lumen, a distal end of the first inflatable balloon attached to said inner shaft, a proximal end of the first inflatable balloon attached to said outer shaft; and a second inflatable balloon comprising a second blade, the second inflatable balloon in fluid communication with the inflation lumen; the first blade separated from the second blade by a first distance as measured in a direction parallel to the longitudinal axis, the first distance being less than a length of the first blade; wherein a distal end of the second inflatable balloon is attached to said outer shaft, and a proximal end of the second inflatable balloon is attached to said outer shaft.