A bone regeneration system for healing a bone of a patient, the bone regeneration system comprising: a support for supporting the bone to be healed; an electrical stimulation system having a housing and the housing is mounted on the support, and the electrical stimulation system includes a microcontroller that is programmable and located in the housing, and a coil assembly that is under the control of the microcontroller, and an energy source disposed in the housing, and the coil assembly is mounted on the support; wherein the electrical stimulation system further includes a system regulator, a pulsed electromagnetic field drive circuit, a pulsed electromagnetic field voltage regulator, and a system voltage regulator that are wired to the microcontroller, and a user interface to enable programming of the microcontroller to produce a desired electrical output signal to drive the coil in order to promote bone healing; wherein the coil assembly is powered by the power source and the coil assembly is capable of generating a pulsed electromagnetic field such that upon being activated the pulsed electromagnetic field penetrates the bone and accelerates the healing of the bone; and characterized in that the coil assembly further includes a base, and a coil and capacitor are mounted on the base, and coil is wired to the capacitor, and first and second tabs extend from the base, wherein the first tab supports a first male snap component and the second tab supports a second male snap component that are wired to the capacitor, and first and second female snap components are mounted on the housing and the first and second male snap components are capable of being snap fitted to the first and second female snap components, such that when snap fitted together current can be delivered from the energy source such that the pulsed electromagnetic field is generated by the coil. a support for supporting the bone to be healed; an electrical stimulation system having a housing and the housing is mounted on the support, and the electrical stimulation system includes a microcontroller that is programmable and located in the housing, and a coil assembly that is under the control of the microcontroller, and an energy source disposed in the housing, and the coil assembly is mounted on the support; wherein the electrical stimulation system further includes a system regulator, a pulsed electromagnetic field drive circuit, a pulsed electromagnetic field voltage regulator, and a system voltage regulator that are wired to the microcontroller, and a user interface to enable programming of the microcontroller to produce a desired electrical output signal to drive the coil in order to promote bone healing; wherein the coil assembly is powered by the power source and the coil assembly is capable of generating a pulsed electromagnetic field such that upon being activated the pulsed electromagnetic field penetrates the bone and accelerates the healing of the bone; and characterized in that the coil assembly further includes a base, and a coil and capacitor are mounted on the base, and coil is wired to the capacitor, and first and second tabs extend from the base, wherein the first tab supports a first male snap component and the second tab supports a second male snap component that are wired to the capacitor, and first and second female snap components are mounted on the housing and the first and second male snap components are capable of being snap fitted to the first and second female snap components, such that when snap fitted together current can be delivered from the energy source such that the pulsed electromagnetic field is generated by the coil.