Apparatus for nerve stimulation; medical apparatus for nerve stimulation; nerve muscle stimulators; electrical nerve stimulators; transcutaneous electrical nerve stimulators; apparatus for electrical muscle stimulation; electrically operated massages; body and foot massages; massage apparatus; electronic medical instruments; medical instruments included in this class; for medical use - blood pressure gauges; electronic blood pressure recorders, meters and monitors; blood pressure monitors, measuring apparatus and testing apparatus; arterial blood pressure measuring apparatus; electrical foot warmers for medical use; medical apparatus for treatment of injuries; sources of magnetic and electromagnetic fields for use in medical treatment; electronic apparatus for the prevention of incontinence; parts and accessories of the foregoing included in this class