Angioplasty catheter

摘要

There is disclosed an angioplasty catheter having a drilling head disposed within its distal end. The drilling head having a rotatable drilling tool and means for temporary closing a blood vessel. A shaft position within the interior of the catheter is attached and drives the drilling tool. A pneumatic turbine is connected to the proximal end of the catheter and to the shaft for driving the shaft in drive tool and suctioning material removed by the drive tool.