New Bandage Inspired By Kirigami Art Form
Researchers invented a thin sticky substance with cuts inspired by kirigami art form, according to a new article published on March 27, 2018.
Engineers from Massachusetts Institute of Technology (MIT) designed a sticky solution, which is thin and lightweight like rubber. This adhesive film can stick to highly deformable parts of the human body, including the knees and elbows, with the ability to maintain its hold even after 100 bending cycles. The extremely sticky ability of the film is attributed to its pattern of slits made onto it, which was inspired by a paper-folding art form known as kirigami.
This film was attached for testing to a volunteer’s knee, showing that each time the knee was bent, the film’s slits opened at the center, in the region of the knee with the most pronounced bending, while the slits at the edges remained closed, thus allowing the film to stay bonded to the skin. This in turn, allows the film to stretch as well as have better grip.
The team transferred a 3-volt power supply to the band, which showed that the pad maintains a steady temperature of 100 degrees Fahrenheit. They also created a wearable electronic film with light-emitting diodes. This too can function optimally and stick to the skin, even after 100 knee bends.
“Currently in the soft electronics field, people mostly attach devices to regions with small deformations, but not in areas with large deformations such as joint regions, because they would detach. I think kirigami film is one solution to this problem commonly found in adhesives and soft electronics.” said Ruike, lead author of the study.
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