Our Patient Therapy Management products include the AIRIAL MQ4100 Oxygen Conserver which is the most accurate single lumen conserver available. We also have two TENS units, the TN3000 has the ease of operation of an analog unit with the accuracy of a digital unit and our more powerful TN7000 featuring Dual Channel 5 Modes, Timer, Patient Compliance Meter, and a stronger 100mA output.