A compact automatic transmission for a vehicle capable of preventing increase in relative rotational speed between shift elements. The radio-wave transparent cover includes a transparent member, a decorative layer, a base, and a suppression member. The therapy catheter and the fastener catheter are capable of traversing the internal lumen of the guide catheter. The disk includes a central bore and radial grooves, at least one radial groove connecting the central bore and each insert receiving recess. The new data model is compared to the database to determine a particular data model stored therein that satisfies a similarity threshold.