Soft cylindrical torque tool for medical devices with lumen

An apparatus for controlling a cylindrical medical device, comprising:

• a bottom component having a curved outer surface forming a body of the bottom component, a working channel, and one or more fingers comprising a sliding track, each of the one or more fingers having a top surface, a side surface, and a bottom surface;
• and
• a top component having one or more slots corresponding to the one or more fingers comprising the sliding track, the top component being slidable along the sliding track, wherein
• the top component, upon being slid along the sliding track from a rearward end of the apparatus to a forward end of the apparatus, is frictionally engaged with the cylindrical medical device, said cylindrical medical device being secured therein,
• the top component includes an engaging surface, said engaging surface defining an engaging aspect of the top component, said engaging aspect having a curved shape along a cross section perpendicular to a longitudinal axis of the top component, and
• a surface of the working channel of the bottom component defines a working channel feature, said working channel feature being a depression having a curved shape along a cross section,
• wherein the engaging aspect is a depression having the curved shape along the cross section.