Patent ID: 6292681
Filing Date: 2001-09-18
Classification: A61B

Abstract:
A motor drive assembly, comprising:a main body adapted for attachment to a catheter assembly;a motor means housed in, and secured to, the main body;a drive shaft means for rotating an operative element disposed in the catheter assembly, the drive shaft means having a first end rotationally coupled to the motor means and a second end adapted for rotationally coupling to the operative element;a pullback carriage means for slidingly engaging the main body;a drive train means rotatably attached to the main body and engagable to the pullback carriage means for causing movement of the pullback carriage means relative to the main body when the drive train means is rotated; anda gear means for communicating with the drive shaft means and drive train means, such that rotation of the drive shaft means causes corresponding rotation of the drive train means.