Patent ID: 8663260

Claim:
A rotational atherectomy device for removing a stenotic tissue from the iliac artery of a patient, the device comprising a flexible, rotatable drive shaft having an elongated proximal portion, an elongated distal portion, and an eccentric abrasive element mounted to the drive shaft between the elongated proximal and distal portions of the drive shaft and between and spaced away from a pair of counterweights which are mounted to said elongated portions of the drive shaft, the eccentric abrasive element and the counterweights being configured for rapid rotation together with the drive shaft, the drive shaft being configured for extending throughout an entire length of the iliac artery to be treated and having one elongated portion of the drive shaft extending out of the patient through a first access opening located in a femoral artery which is ipsilateral to the treated artery, and the other elongated portion of the drive shaft extending through a second access opening located in another peripheral artery of the patient, wherein the device includes a pair of prime movers and each of the elongated portions of the drive shaft is configured to be connected to a rotatable shaft of one of the two prime movers, the prime movers being configured for rotating the drive shaft, and wherein each of the prime movers is slidably received within a housing of an advancer mechanism so that an operator can alternately pull on distal and proximal portions of the drive shaft by alternately moving the prime movers away from distal ends of the housings of the advancer mechanisms.