Electrosurgical instruments, namely, radio-frequency electrical current generators, for supplying radio-frequency electrical currents via an electrode to a patient for performing medical, dental and veterinarian electrosurgical procedures involving tissue cutting, tissue shrinkage, and hemostasis, electrodes for delivering the radio-frequency electrical currents to the patient, and accessories, namely, handpieces and smoke/plume evacuation systems comprised of housing with motor, hoses, filte...