NextFlex and Profusa Unveil Skin-worn Reader Prototype for Continuous Oxygen Monitoring at FLEX 2019
A reader that works with a hydrogel sensor injected under the skin was developed in four months at NextFlex facility in San Jose
MONTEREY, Calif.–A reader worn on the skin and working in conjunction with an injected hydrogel sensor for real-time oxygen monitoring in tissue was unveiled at the FLEX 2019 conference by integrated biosensor maker Profusa and NextFlex®, America’s Flexible Hybrid Electronics (FHE) Manufacturing Institute.
The LumeeTM Oxygen Platform is intended for use in patients, with potentially acute or chronic changes in tissue oxygen levels, who may benefit from continuous monitoring. The injectable hydrogel sensor is currently CE Marked in Europe and it is not yet commercially available elsewhere.
“Ten years ago, you couldn’t build a reader that could sense multiple signals and filter out the ’noise’ of the body’s other signals, all while being small and skin-worn,” said Ben Hwang, CEO of Profusa, in a press release. “With the latest advancements in flexible hybrid electronics technology, it’s just mature enough to work the way we want – primarily because we selected the right domain expertise partner to work with, namely NextFlex. Rather than managing development across multiple R&D and manufacturing facilities, we found a single place at NextFlex’s Technology Hub, where we could develop our solution in very short time and have the right conversations to move our reader design toward production at scale.”
The skin-worn reader was developed in just four months at NextFlex’s research center and fab in San Jose, California. The facility and the team combine expertise in flexible hybrid electronics, engineering, materials science, and optics, all residing under one roof.
NextFlex has taken Profusa’s design work and criteria, and pushed them toward a smaller, flexible reality that works in harmony with Profusa’s tissue sensors. With this stage completed and other medical devices in the pipeline, NextFlex is engaged in the application for FDA approval for medical device manufacturing.
“We’ve been able to take technology that could previously only be deployed in a hospital setting and move toward having a device with clinical-grade information in a wearable and flexible form that’s attractive to consumers, like Profusa’s skin-worn reader for tissue oxygen monitoring,” said NextFlex Vice President of Engineering Wilfried Bair, in the release. “This reflects the accelerated adoption of wireless and flexible hybrid electronics technologies in the digital health era, with wearable devices that generate data that medical doctors and consumers can get the most out of.”
NextFlex (www.nextflex.us), America’s Flexible Hybrid Electronics Manufacturing Institute, is a leading force in the Manufacturing USA network of Institutes. Formed through a cooperative agreement between the U.S. Department of Defense (DoD) and FlexTech Alliance, NextFlex is a consortium of companies, academic institutions, non-profits, and state, local, and federal governments with a shared goal of advancing U.S. manufacturing of FHE.
Profusa (www.profusa.com) is engaged in the development of bioengineered sensors that become one with the body to detect and continuously transmit actionable, medical-grade data of body chemistry for personal and medical use. Overcoming the foreign-body response to in-body monitoring for long-term use, its tissue-integrated biosensors open the door to accessing, connecting, and applying body chemistry in unprecedented ways, transforming the management of personal health and disease.
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