Oral nursing moistener for patient - has throttle which cuts off liq. flow if power fails or unit malfunctions

摘要

The nursing accessory for moistening the lips, mouth and throat of a patient who cannot or may not ingest liquids as presented in Patent 898991 operated by means of an electromagnetic or pneumatic fan, spraying a mist of liq. in quantitiser and at intervals controlled by a timer. - In the present design the liq. supplied by gravity or a pump is automatically cut-off in the event of power failure or malfunction. The cut-off throttle is controlled by ultrasound signals supplied by a variable frequency generator.(0/0)