A device for destruction of tumor cells or pathogens in the bloodstream

The invention relates to a device for the destruction of tumor cells or pathogens in the circulatory system with at least one ultrasonic frequency generator (11) and a means for forming an extracorporeal blood circuit (1), the at least one heat exchanger (3), at least one blood pump (2, 2 ') and includes a treatment tank (6) for receiving blood, in which the treatment tank (6) is arranged downstream of the heat exchanger (3), forms a treatment space (13) and is connected to at least one ultrasonic oscillating head (8) connected to the ultrasonic frequency generator (11) coupled is such that in the treatment chamber (13) a low-frequency ultrasonic vibration is introduced.