The invention relates to a medical circulation detent device, comprising at least one circulation body and a latching element. The at least one circulation body comprising a restricted guide and at least one latching receptacle for the latching element. The latching element is guidable through the restricted guide from an unlatched position to a latched position at a first side of the at least one latching receptacle into the latter, and at a second side of the at least one latching receptacle from the latched position to an unlatched position again. An operative element is coupled to the latching element via a coupling element. A thermal actuating element is operatively connected to the latching element and transferable due to temperature from a first state to a second state and vice versa in order to move the operative element. The invention also relates to a medical sterilization container.