New York City teen Kenneth Shinozuka has invented a new wearable sensor called the SafeWanderer that can help keep Alzheimer’s patients safe. Inspired by his own grandfather’s battle with the disease, the 15-year-old came up with a device that can keep tabs on patients if they begin to wander off. The sensor works by reacting to pressure and can notify a caregiver through a smart phone app when a patient is on-the-go.

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Shinozuka’s personal experience with Alzheimer’s disease began when his grandfather was brought home in his pajamas by policemen after wandering onto a freeway at night. The shock of seeing his loved one in that state inspired the teen to take action.

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The SafeWanderer is a small sensor that can be worn in a sock or a shoe. When the wearer begins walking, the sensor reacts, and sends a message to the linked smartphone app, which can be downloaded by one or more caretakers, who can then keep tabs on their patient or loved one.

In order to ensure its efficiency and usability, Shinozuka tested his invention on his own grandfather for six months. During this time, the app went off a total of 437 times, each signaling an actual case of his grandfather beginning to wander, with no false alarms.

The do-gooder teen is now in the process of producing hundreds of the device to donate to local nursing homes.

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Via Huffington Post