A novel, wearable sensor system created for dementia patients helps to keep them safe when they wander out of bed during the night while also providing relief to their families and caregivers. The system, which connects to a smartphone, is not only innovative, but is also making headlines since it was created by a 15-year-old who wanted to help his aunt taking care of his grandfather, who suffers from Alzheimer's disease. Kenneth Shinozuka created and tested the device on his grandfather, and it is now available on his website.
The SafeWander system is comprised of a sensor that is worn in a patient's sock or on the bottom of the patient's foot, as well as a transmitter and a smartphone app. The sensor is triggered by the patient's steps onto the floor, since it is able to detect the pressure caused by body weight. When that happens, it sends a wireless signal to the caregiver's Smartphone.
"One night I was looking after my grandfather and saw him stepping out of bed. The moment I saw his foot landing on the floor, a light bulb flashed on my head. Why don't I put a pressure sensor on the heel of his foot? Through extensive research and countless prototyping and testing, I finally succeeded in creating an ultra thin, flexible, film pressure sensor that can be worn on the patient's foot, without causing a