Pneumatic muscle suits and a walking stick that behaves like a guide dog competed for attention with an industrial robot that can paint fingernails at a huge exposition in Tokyo on Thursday.
In a country where one-quarter of the 128 million-strong population are older than 65, innovations that can make life easier for the elderly or their caregivers are potentially big business and the subject of a much research.
A “muscle suit” that gives extra power to a carer to help them lift a bed-bound patient was one of the star attractions at the International Robot Exhibition in Tokyo, which was to run until yesterday.
Worn like a backpack, the device is powered by compressed air and takes some of the strain out of lifting an elderly or disabled person by giving extra muscle power to the back and hips.
The machine, developed by the Tokyo University of Science and a nursing care company, is activated by a tube in the wearer’s mouth, adding lift when the operator breathes in. Exhaling switches the power off.
“It feels like you’re using about half the power to lift people,” said caregiver Norikatsu Kimura, who took part in a trial at elderly care firm Asahi Sun Clean. “The assistance gives me relief as we are always worried about hurting our lower waist.”
“I’ve seen many workers who were willing to continue this job, but had to stop because of hip pain,” he said.
The device, whose compressed air power makes it safe to use around water — vital because of the need to lift patients in and out of the bath — weighs 10kg, including a 2kg air tank.
Among the 300 companies at the four-day exhibit was NSK Ltd, which was showcasing a walking stick-like device to help visually impaired users get around by giving them physical support and guidance on directions.
The LIGHBOT, which looks a little like a cane standing on a tiny cart, can guide a visually-impaired user to their destination and watches out for dangers along the way, including trip hazards such as holes or walls, and head-height obstacles like branches.
“There is a severe shortage of guide dogs and in any case, some people cannot keep animals in their apartments,” Mayuko Mori from NSK said.
She said no decision had been made yet on putting the device into production, but field-testing in hospitals or other institutions was expected to start soon.
Funai Electric Co Ltd was showcasing a walking assistance cart that it hopes to begin selling in 2015.
The appliance is a modern twist on the traditional shopping cart, where onboard motors give assistance on uphill climbs and apply a steadying brake on the way back down. GPS equipment can help family members locate a wandering shopper.
On the lighter side of the expo, Toyo Riki demonstrated a “Robo Nailist,” an industrial robot arm which uses its incredible precision to apply layers of nail polish that it then decorates with miniscule crystal rhinestones.
“Many people imagine ‘industrial robots’ are doing welding work in big factories, but we displayed this just to show how dexterous they are,” company director Narito Hosomi said.
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