TOKYO: Japanese researchers released a new research result on Monday, a disposable organic wireless sensor that can be embedded in a diaper to let a caregiver know that it needs to be changed.
The developer told AFP that the integrated circuit transmission information was printed on a flexible plastic film and received wirelessly. This may only be a few yen.
The system uses organic materials that can be printed using inkjet technology and was developed by a team led by professors Sakurai and Yoshitani Shinichi of the University of Tokyo.
In addition to being used on baby diapers, this technique can be applied to adult diapers, and sellers in Japan are rapidly aging.
Normal diapers change color, indicating that they are wet, but caregivers still need to look at the wearer's clothing.
The technique can also be placed directly on the skin like plaster, replacing the equipment currently used for monitoring pulse and blood oxygen levels in the usual ring-shaped hospitals, said Shizo Shinichi.
Medical sensors often use silicon and other relatively rigid materials that can cause discomfort to the user.
The reduced flexibility of a plastic film does not allow the wearer to adapt, meaning that it can be applied to a larger number of places - providing doctors or caregivers with greater potential to monitor well-being.
The prototype system has been developed to monitor humidity, pressure, temperature, and other phenomena, resulting in a change in resistance, said Shigeru Koichi, but the team wanted to improve it and reduce its power consumption before it was widely used.
At present, the data reading device requires a few centimeters (inches) of the sensor, but Suji says how the team practiced and explored whether this could increase the distance.
Researchers are now presenting their work at an academic conference in San Francisco.
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