591101 A therapeutic device (10) is disclosed for treatment of a blood flow disorder. The device comprises a vibrator operable to produce a mechanical vibration and to transmit the vibrations to an external human body surface. At least one vibration parameter, such as vibration frequency, vibration displacement amplitude, vibration force, vibration directivity, vibration wave shape, vibration duty factor, or vibration pattern is randomly varied over time. The device is intended as part of a first line emergency response system for the treatment of blood flow disorders, especially acute thrombotic and/or vasospastic vascular obstructions.
