A monitor for an intravenous pump audio alarm. The client needs to be alerted by a vibrating pager as she is deaf. The pump has no alarm output other than an audio signal. A system has been designed and built that can distinguish the pump alarm in relatively high ambient noise and reject other events such as knocking or tapping on the microphone sensor.
The capability to prepare food is a key marker for an independent life but, unless you are going to live on cold food, that means cooking. What could be easier? A temperature sensor and a relay and some bespoke interfacing. Except – ovens, especially built-in ones, are hostile environments for electronics.
Description : Ear switch as an assistive communication and control device / gaming switch and HCI
The client is unable to reposition herself in bed and is at risk of choking on her own vomit if left unattended. A detector was made using a water detector mounted on a plate and linked to the nurse call pager system. The system activates when a resistance of just over 4 megaOhm is bridged […]
Identified need The client has no fine motor control of his hands but can use arms and/or head. He is confined to bed and feels insecure at night as he is not able to alert a carer in another room or part of the house. Description This unit is based on the Wilko Standard Portable […]
The requirement was to enable a lady who had lost the use of her arms to continue to use her own speaker phone to receive telephone calls from relatives. The problem was solved by wiring out the contacts of the ‘Handsfree’ pushbutton to a jack socket on the side of the phone. A set of […]
The 60 year old deaf/blind client requested a device that would warn him of head height obstructions when walking. An ultrasonic proximity detector was mounted on a shoulder saddle and connected to a vibrator fastened to the client’s wrist. Electronic circuitry converts the signal from the sensor to a pulsating voltage that operates the vibrator. […]
The 18-month old client had a severe eating problem making eating a frightening experience. It was suggested that if music played when he put a spoon in his mouth, he may be encouraged to eat. A gold-plated wire was fixed to a plastic spoon and connected by a flexible lead to control electronics. A second […]
The client, a young 11 year old child with cerebral palsy and epilepsy, can have a silent fit whilst asleep. This is accompanied with a dramatic increase in heart rate and immediate medical attention is required. To alert the parent, a high heart rate alarm has been suggested. The client will not tolerate wired electrodes […]
The client could not tell when he was shouting in a normal conversation. The solution was an electronic belt-mounted aid, which measures the difference between the client’s voice and the ambient noise level. It vibrates when this difference exceeds a pre-determined amount alerting the client to the fact that he is shouting. He is now […]
An adult blind person likes to be as independent as possible around the house, including taking a bath. He has a problem knowing when the bath has reached the required level. A level alarm system was made. The sensor is suspended down the inside of the bath, attached by wire to the alarm which is […]