electrodes for medical use, transfuser for medical purposes, myringoplasty ventilation tube, implants for stapedetomy, ear wicks, ear packing, nasal splints, nasal packing, nasal dressings, sinus-packing for Rhinology, transfusion pumps for medical purposes, electrosurgical generator, dispersive electrodes, grounds plates for electrosurgical pencils, cranial perforators, cervical dilators, bur drills of tympanoplasty and parts thereof, namely, burs, handpieces and foot-controller for the bur drills