Ear plugs for noise reduction; External nasal dilators; Medical device, namely, a device for measuring body position during sleep; Medical devices, namely, patient monitors and patient sensors for monitoring and measuring blood properties and respiratory events; Medical products, namely, respiratory sensors; Medical ventilator tubing and tubing connectors; Oxygen inhalers for medical purposes sold empty; Sanitary masks; Air filters for medical ventilators; Elastic stockings for medical purposes