Heart rate monitors; Pulse rate monitors; Electrocardiographic (ECG) recorders and electrocardiographic (ECG) digital plasters sold as a unit; Blood pressure monitors; Pulse meters; Stethoscopes; Dental intraoral cameras; Blood pressure measuring apparatus; Thermometers for medical use; Endoscopy cameras for medical purposes; Ophthalmic cameras for medical purposes; Otoscopes; Medical instruments for measuring and displaying blood pressure, lung capacity; Electrocardiographic (ECG) recorders; Pulse oximeters for medical purposes; Blood glucose meter; Laryngoscopes; Medical endoscopes; Intraocular speculums; Fetal heartbeat monitors; Medical apparatus for detecting rapid eye movement and other physiological conditions in a sleeping person indicative of dreaming and for inducing partial awakening so as to cause a state of lucid dreaming; Medical device used for the acquisition of physiological data for polysomnography; Fever thermometers; Ultrasonic medical diagnostic apparatus; Ultrasonic imaging apparatus for medical purposes