A medical tube assembly is disclosed, and includes a first tube portion defining a longitudinal axis, a second tube portion, and a coupling member. The coupling member is configured to couple the first tube portion and the second tube portion. The coupling member is configured to circumferentially engage the second tube portion and has a protrusion configured to engage a portion of the first tube portion. The second tube portion is configured to transition the coupling member from a resting condition to a coupling condition. The coupling member is configured to engage the first tube portion in the coupling condition.
