Air beds for medical purposes; Air cushions for medical purposes; Anti-nausea wristbands; Anti-rheumatism rings; Blood oxygen monitors; Blood pressure measuring apparatus; Bracelets for medical purposes; Devices for measuring blood sugar for medical purposes; Ear plugs for medical purposes; Electrical hearing aids; Hearing aids; Heart rate monitors; Menstrual cups; Respiratory masks for medical purposes; Resuscitation apparatus; Soporific pillows for insomnia; Vibromassage apparatus