Abstract: The present invention relates to a connector assembly for coupling a tube to a base of a catheter device, the connector assembly comprising a connector element having a channel and being configured to be coupled at a first end to the tube, a revolving lock having an opening for accommodating the connector element and being configured to engage with the connector element thereby enabling a free rotation around a rotation axis, a hub having a tubular channel and being configured to be attached to the base, wherein a second end of the connector element is configured to be at least partially inserted into the tubular channel of the hub, wherein the revolving lock is configured to be releasably locked with the hub, and wherein the rotation of the connector element is configured to be decoupled from the locking mechanism between the revolving lock and the hub.