An arthritis treatment delivery device, comprising: an applicator (100; 1001; 1300; 1800); a plurality of electromagnetic coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; a heat source disposed in the applicator (100; 1001; 1300; 1800); a switching board functionally connected to the plurality of electromagnetic coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304), a processor functionally connected to the switching board; a power source electrically connected to the switching board; a temperature sensor disposed in the applicator (100; 1001; 1300; 1800) and functionally connected to the processor to maintain a predetermined treatment temperature, wherein the plurality of electromagnetic coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304) are arranged such that a dead zone where the electric field is below a minimum therapeutic value is not formed in a treatment volume, the coils further are arranged such that a magnetic field generated by the coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304) is oriented normal to a cartilage layer located in the treatment volume and that an electric field is oriented parallel to the cartilage layer located in the treatment volume, characterized in that the switching board is configured to activate the plurality of electromagnetic coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304) in a predetermined sequence, and wherein the heat source comprises a plurality of free wheel diodes, each disposed in the applicator (100; 1001; 1300; 1800) and associated with a respective electromagnetic coil (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304), the plurality of free wheel diodes each configured to convert energy from the magnetic field to heat. an applicator (100; 1001; 1300; 1800); a plurality of electromagnetic coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; a heat source disposed in the applicator (100; 1001; 1300; 1800); a switching board functionally connected to the plurality of electromagnetic coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304), a processor functionally connected to the switching board; a power source electrically connected to the switching board; a temperature sensor disposed in the applicator (100; 1001; 1300; 1800) and functionally connected to the processor to maintain a predetermined treatment temperature, wherein the plurality of electromagnetic coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304) are arranged such that a dead zone where the electric field is below a minimum therapeutic value is not formed in a treatment volume, the coils further are arranged such that a magnetic field generated by the coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304) is oriented normal to a cartilage layer located in the treatment volume and that an electric field is oriented parallel to the cartilage layer located in the treatment volume, characterized in that the switching board is configured to activate the plurality of electromagnetic coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304) in a predetermined sequence, and wherein the heat source comprises a plurality of free wheel diodes, each disposed in the applicator (100; 1001; 1300; 1800) and associated with a respective electromagnetic coil (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304), the plurality of free wheel diodes each configured to convert energy from the magnetic field to heat. a temperature sensor disposed in the applicator (100; 1001; 1300; 1800) and functionally connected to the processor to maintain a predetermined treatment temperature, wherein the plurality of electromagnetic coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304) are arranged such that a dead zone where the electric field is below a minimum therapeutic value is not formed in a treatment volume, the coils further are arranged such that a magnetic field generated by the coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304) is oriented normal to a cartilage layer located in the treatment volume and that an electric field is oriented parallel to the cartilage layer located in the treatment volume, characterized in that the switching board is configured to activate the plurality of electromagnetic coils (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304) in a predetermined sequence, and wherein the heat source comprises a plurality of free wheel diodes, each disposed in the applicator (100; 1001; 1300; 1800) and associated with a respective electromagnetic coil (1005; 1006; 1007; 1008; 1009; 1010; 1301; 1302; 1303; 1304), the plurality of free wheel diodes each configured to convert energy from the magnetic field to heat.