A disposable drive interface kit is provided for controlling longitudinal movement of an elongate medical device such as a catheter. The kit includes a detachable housing configured for removable attachment to a drive housing from which a driving member projects. The detachable housing has inner side that faces the drive housing upon attachment to the drive housing and an outer side defining a channel having a bottom and first and second opposed sides extending from the bottom and configured to receive the elongate medical device. A driven member configured for movement by the driving member and an idler member extend into the channel on the first and second sides, respectively, and define first and second opposed surfaces configured to engage the elongate medical device.
