External thermal grill peltier device and method to stimulate nerves and muscles

A system configured to alleviate pain, the system comprising:

• a thermal device comprising a plurality of heating elements and a plurality of cooling elements arranged in a thermal array, each of the plurality of heating elements and the plurality of cooling elements having a front surface configured to face a patient and a rear surface configured to face away from the patient;
• a liquid cooling system coupled to the thermal device, the liquid cooling system comprising:
• a first conductive material on the rear surface of each of the plurality of heating elements and the plurality of cooling elements;
• a second conductive material;
• at least one conduit between the first conductive material and the second conductive material;
• at least one electrical cable coupled to the plurality of heating elements and the plurality of cooling elements;
• a control unit connected to the at least one conduit and the at least one electrical cable, the control unit being configured to supply a coolant through the at least one conduit and to deliver power to the plurality of heating elements and the plurality of cooling elements through the at least one electrical cable.