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It's still in early development but:
Electronic Skin Patch With Memory and Drug Delivery Capability Could Treat Parkinson’s Disease in the Future Researchers have made an electronic skin patch that can monitor muscle movement, store the data it collects, and use stored data patterns to decide when to deliver medicine through the skin. The patch could be useful for monitoring and treating Parkinson’s disease and epilepsy, its creators say. Wearable devices that continuously monitor physiological cues can help doctors understand and treat diseases such as epilepsy, heart failure, and Parkinson’s. A few research groups have been trying to develop discreet health monitoring devices based on flexible, stretchable electronics that can be plastered on the skin, heart or brain. The new system is the first that can store data and deliver drugs, says Dae-Hyeong Kim, a chemical and biological engineering professor at Seoul National University and one of the device’s creators. In the "closed-loop feedback system," says Kim, the stored data is used for statistical pattern analysis, which helps to track symptoms and drug response. "For more quantitative tracking of progression of symptoms and responses to medications, wearable healthcare devices that monitor important cues, store recorded data, and deliver feedback therapeutic agents via the human skin in a controlled way are highly required," he says. The strain sensors detect motion such as Parkinson’s tremors. The heater controls the temperature of the polymer, which in turn controls the diffusion of the drugs into the skin (heat degrades the physical bonding between the nanoparticles and the drugs). The temperature sensors monitor skin temperature during drug delivery to prevent burns. The strain sensors detect motion such as Parkinson’s tremors. The biggest issue: Right now, the memory element requires a power supply and a data transmitter. The researchers say that they will need batteries or wireless power transmission and wireless communication in stretchable formats to make a truly wearable and wireless patch. http://spectrum.ieee.org/tech-talk/b...+Biomedical%29 |
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