A patient treatment unit for delivering non-invasive pulsed energy to living tissue, the patient treatment unit comprising: a probe stimulus generator circuit configured to output, as a treatment signal, a sequence of direct current electrical pulses at a controlled pulse frequency between 18 and 22 kiloHertz (kHz) and having a pulse voltage defined by a variable supply voltage of the probe stimulus generator circuit; a primary conductor having an elongated body and a rounded tip that is configured to contact a body of a human or animal, the primary conductor being electrically coupled to the probe stimulus generator circuit so as to receive the DC electrical pulses; a secondary conductor configured to contact the body and electrically coupled to the probe stimulus generator circuit to complete an electrical circuit with the primary conductor through the body; an intensity adjustment circuit configured to control the variable supply voltage, including setting the variable supply voltage to a predefined starting voltage upon activation of the probe stimulus generator circuit; and a first electronic timer display configured to display an elapsed time in a human-understandable form, starting from each activation of the probe stimulus generator circuit and running until a corresponding deactivation of the probe stimulus generator circuit; wherein an electrical current of the DC electrical pulses is in a range between 0.1 milliAmperes (mA) and 2 mA while the primary and secondary conductors are contacting the body, and an operating output voltage across the primary and secondary probes while conducting the treatment signal does not exceed a maximum operating output voltage of 165 Volts of DC while the primary and secondary probes are contacting the body; characterized in that the patient treatment unit further comprising a pressure sensor in the primary conductor configured to output a pressure applied to the rounded tip, the pressure sensor being configured to measure a pressure at the rounded tip between at least 0.5 lbs/in 2 (34 kPa) and 150 lbs/in 2 (1 MPa). a probe stimulus generator circuit configured to output, as a treatment signal, a sequence of direct current electrical pulses at a controlled pulse frequency between 18 and 22 kiloHertz (kHz) and having a pulse voltage defined by a variable supply voltage of the probe stimulus generator circuit; a primary conductor having an elongated body and a rounded tip that is configured to contact a body of a human or animal, the primary conductor being electrically coupled to the probe stimulus generator circuit so as to receive the DC electrical pulses; a secondary conductor configured to contact the body and electrically coupled to the probe stimulus generator circuit to complete an electrical circuit with the primary conductor through the body; an intensity adjustment circuit configured to control the variable supply voltage, including setting the variable supply voltage to a predefined starting voltage upon activation of the probe stimulus generator circuit; and a first electronic timer display configured to display an elapsed time in a human-understandable form, starting from each activation of the probe stimulus generator circuit and running until a corresponding deactivation of the probe stimulus generator circuit; wherein an electrical current of the DC electrical pulses is in a range between 0.1 milliAmperes (mA) and 2 mA while the primary and secondary conductors are contacting the body, and an operating output voltage across the primary and secondary probes while conducting the treatment signal does not exceed a maximum operating output voltage of 165 Volts of DC while the primary and secondary probes are contacting the body; an electrical current of the DC electrical pulses is in a range between 0.1 milliAmperes (mA) and 2 mA while the primary and secondary conductors are contacting the body, and an operating output voltage across the primary and secondary probes while conducting the treatment signal does not exceed a maximum operating output voltage of 165 Volts of DC while the primary and secondary probes are contacting the body; characterized in that the patient treatment unit further comprising a pressure sensor in the primary conductor configured to output a pressure applied to the rounded tip, the pressure sensor being configured to measure a pressure at the rounded tip between at least 0.5 lbs/in 2 (34 kPa) and 150 lbs/in 2 (1 MPa).