Medical dressing breakthrough LED lighting reminder change
Engineers at the Department of Mechanical Engineering at the Massachusetts Institute of Technology have successfully developed a water-based hydrogel material that can be used to remind the dressing after embedding an LED light. (Source: Massachusetts Institute of Technology)
MIT engineers are likely to design future wound dressings that are viscous, malleable and gel-like materials that can be embedded in temperature sensors, led lights, and other electronic devices. At the same time, it is also possible to establish a tiny drug delivery channel and a drug storage reservoir. This "Wise Wound Dressing" is capable of releasing drugs according to changes in skin surface temperature and can be illuminated when the drug is insufficient. When used on more frequent areas such as the knees or elbows, the dressing can extend with the body while the embedded electronic device operates as usual.
The design of this smart dressing is attributed to the designer of the hydrogel matrix, Xuanhe Zhao, assistant professor of mechanical engineering at the Massachusetts Institute of Technology. He also designed a matrix LED lamp that was embedded in a layer of hydrogel. Even if it sticks to different parts of the body, such as the elbows and knees, the gel can still function normally.
Zhao also has great expectations for hydrogel matrices, which are considered to be ideal biomaterials for transferring electronic devices to living organisms. He is currently studying the possibility of using a hydrogel matrix as a glucose sensor and a neural detection device. Traditional glucose sensing devices have to be implanted in the body, which usually causes the body's foreign body to react, causing the immune system to activate an alarm. This allows the outer layer of the sensor to be layer covered, so that the doctor must often replace the new sensor and implant it. .
Different hydrogel matrices have been used to coat glucose sensors and successfully block reactions that are coated by layers of the immune system. Hydrogel matrices are relatively fragile and easily decompose in activity. But the hydrogel sensing system that their team is developing is likely to have higher toughness and longer life.
Researchers are currently experimenting with different soft materials, hoping to successfully develop biocompatible neural devices. Through the cooperation of everyone, we are trying to apply the hydrogel matrix to the nerve device, because the hydrogel can be designed to have mechanical and physiological characteristics similar to the brain.
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