A wireless and battery-free neonatal vital signs monitoring system

A wireless and battery-free neonatal vital signs monitoring system
 

A new, less invasive system for monitoring the vital signs of some of the world's most fragile patients - infants born pre-term or with debilitating disease - would allow parents skin-to-skin contact with these children when they otherwise couldn't have it.

According to the report detailing this approach, the system overcomes the limitations of traditional systems that require a large number of wired sensors, allowing wireless operation via ultrathin skin-like electronic sensing technology.

Each year nearly 300,000 newborns, including preterm babies, are admitted to neonatal intensive care units (NICUs) throughout the United States. Preterm babies in particular typically require constant and careful monitoring of vital signs due to their exceptionally fragile health. Information such as temperature, heart and respiratory rate and blood pressure, for example, are crucial to improving a newborn's chance of survival.

Often, in order to achieve this level of constant care, the use of multiple sensors and electrodes, attached to the infant's skin and tethered to surrounding medical devices by wires, is required. However, despite their essentiality, the web of connected technology can interfere with other types of clinical care or tests, and the electrodes can injure an infant's fragile skin. Furthermore, they greatly impede skin-to-skin contact, preventing parents from holding their newborn children.

While alternative technologies have been proposed, none comprehensively address or overcome the unique and challenging requirements of the NICU and the tiny patients within, according to the authors. To answer this need, they developed a wireless and battery-free vital signs monitoring system, which uses a pair of ultrathin skin-like sensors that rely on only water to gently adhere to sensitive neonatal skin.

The device is capable of collecting and processing full vital sign data onboard the sensors and wirelessly streaming it in real time to external devices. According to the authors, preliminary testing and ongoing clinical studies of the system on NICU neonates demonstrates its ability to perform comparably to the most advanced clinical-standards monitoring systems.

"It has a huge potential to impact practice that might revolutionize monitoring all over the world," including in less developed countries.

http://science.sciencemag.org/content/363/6430/eaau0780

http://sciencemission.com/site/index.php?page=news&type=view&id=publications%2Fbinodal-wireless&filter=22

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