A device, when connected with a power source and a carrier-gas supply , for generating and delivering a plasma flame to a site, the device comprising: a housing member configured to provide for gas passage, the housing member having a tip member with a tip opening at its distal end, a shaft member at its middle section, and a tubing connection member at its proximate end; a plurality of electric lines housed in the shaft member and connectable to the power source via the tubing connection member ; and a plurality of electrodes including a grounded electrode and at least one high voltage electrode , the plurality of electrodes being contained in the tip member and being attachable to the plurality of electric lines ; wherein when the device is connected to the power source and the carrier-gas supply , the carrier-gas flows from the carrier-gas supply , via the tubing connection member and the shaft member , to the tip member and is excited by the plurality of electrodes to generate the plasma flame at the tip opening ; and wherein the tip member further comprises: a tip shell in a hollow conical shape forming a tip chamber having a narrow distal end and a wide base end , wherein the tip opening is at the narrow distal end ; and a tip insert fitted at the base end, wherein the tip insert further comprises a first carrier-gas opening for passage of carrier-gas, and a plurality of electrode slots for attaching the electrodes and connecting the electrodes to their respective electric lines . a housing member configured to provide for gas passage, the housing member having a tip member with a tip opening at its distal end, a shaft member at its middle section, and a tubing connection member at its proximate end; a plurality of electric lines housed in the shaft member and connectable to the power source via the tubing connection member ; and a plurality of electrodes including a grounded electrode and at least one high voltage electrode , the plurality of electrodes being contained in the tip member and being attachable to the plurality of electric lines ; wherein when the device is connected to the power source and the carrier-gas supply , the carrier-gas flows from the carrier-gas supply , via the tubing connection member and the shaft member , to the tip member and is excited by the plurality of electrodes to generate the plasma flame at the tip opening ; and wherein the tip member further comprises: a tip shell in a hollow conical shape forming a tip chamber having a narrow distal end and a wide base end , wherein the tip opening is at the narrow distal end ; and a tip insert fitted at the base end, wherein the tip insert further comprises a first carrier-gas opening for passage of carrier-gas, and a plurality of electrode slots for attaching the electrodes and connecting the electrodes to their respective electric lines . a tip shell in a hollow conical shape forming a tip chamber having a narrow distal end and a wide base end , wherein the tip opening is at the narrow distal end ; and a tip insert fitted at the base end, wherein the tip insert further comprises a first carrier-gas opening for passage of carrier-gas, and a plurality of electrode slots for attaching the electrodes and connecting the electrodes to their respective electric lines . <EOS>