Patent ID: 8273028

Claim:
An apparatus, comprising: a motor drive unit; a catheter configured and arranged to be inserted into a lumen of a patient body; a connector configured and arranged to connect the motor drive unit to the catheter, the connector comprising a first connector unit comprising at least one electrical contact, a lumen, and at least one key protruding into the lumen, and a second connector unit configured and arranged for insertion into the lumen of the first connector unit, the second connector unit comprising at least one electrical contact configured and arranged for coupling to the at least one electrical contact of the first connector unit, at least one groove in an exterior surface of the second connector unit for alignment with, and receipt of, the at least one protruding key of the first connector unit, and at least one sloping section formed in the exterior surface of the second connector unit and leading to a one of the at least one groove to facilitate alignment, and receipt, of the at least one key of the first connector unit into the at least one groove of the second connector unit, wherein the connector is configured to be rotatable when the first and second connector units are mated and rotational movement is provided from the motor drive unit, thereby rotating the connector and the catheter.