Patent ID: 7070576
Filing Date: 2006-07-04
Classification: A61B

Abstract:
1. A directional cutting balloon for incising a biological material in a body conduit, said cutting balloon comprising: a guiding means formed with a lumen for passing a guidewire therethrough, said guidewire defining a guidewire axis; an inflatable balloon attached to said guiding means, said balloon being formed with a substantially cylindrical shaped working section, with said working section defining a balloon axis, wherein said balloon axis is substantially parallel to and offset from said guidewire axis; an inflation tube in fluid communication with said inflatable balloon, said inflation tube defining a tube axis, wherein said tube axis is substantially parallel to and offset from said balloon axis; and an incising element mounted on said balloon with said balloon axis located between said guidewire axis and said incising element, and with said incising element extending from said working section to incise the biological material during an inflation of said balloon.