Holst Centre, TNO and imec unveil low power mobile health patch

Patch measures cardiac activity, bioimpedance and physical activity enabling partner companies to develop new medical applications

Holst Centre, TNO and imec unveil low power mobile health patch

Nanoelectronics and digital technologies innovater Imec, TNO and the Holst Centre (set up by imec and TNO) have introduced their next-generation health patch.

The small form-factor health patch has been optimised for low power consumption and is the first of its kind to track physical and cardiac activity, while monitoring bioelectrical impedance.

The patch is described as a key building block in the pursuit of improved and more accurate mobile health solutions. It is available for licensing by partner companies allowing them to develop their own medical applications.

“Since our entry in this space, we’ve advanced far beyond proof-of-concept to a patch that has attained a high level of technical maturity,” said Ruben de Francisco, programme manager Wearable Health at imec and Holst Centre. “The underlying technologies have been fully validated, and the patch itself has been tested within a controlled environment.

“Today, it is ready for preclinical and usability studies. Looking ahead, we plan to build on our expertise in the domain of data science to lay the foundation for a powerful patient management solution that not only captures data, but that also turns data into meaningful information upon which people and health providers can act.”

With more people living longer than ever before and chronic disease on the rise, traditional healthcare systems are being pushed to their limits. It is generally acknowledged that the concept of digital health, and specifically mobile health, can help address that issue by enabling individuals to better track and manage their health and receive personalised and optimised treatments while reducing medical inefficiencies and costs.

The health industry has recognized the challenges and solutions, with analysts predicting that the value of the global mobile health market is expected to more than triple in the next few years, from $19.2 billion in 2016 to $58.8 billion by 2020)1.

However, for mobile health solutions to be successful beyond concept, easy-to-use and accurate building blocks are required; technology that is being developed by imec, Holst Centre and TNO as part of their Wearable Health programme. Their R&D on mobile health is designed to drive innovation from an application perspective, at system level and in terms of individual components – such as read-out circuits, batteries, adhesives, etc.

The health patch from imec, Holst Centre and TNO features more functionalities than any other patch, and does so in a small form-factor, the companies claim. At its heart is a chip that has been optimised for low power consumption. This chip is combined with a highly comfortable to wear electrode patch that can stay on the body for long periods of time, including when showering.

It is the first patch to combine a variety of sensing capabilities – ranging from an accelerometer (to track a person’s physical activity) to ECG tracking (measuring the heart's electrical activity) and bioelectrical impedance monitoring (measuring body composition, respiratory activity and the distribution of body fluids).

“Many companies working in the digital health realm have great ideas for innovative solutions that could make it easier to remotely monitor people suffering from heart and respiratory diseases, to give an example. However, what is typically lacking, are the devices on which to run these solutions,” commented Chris Van Hoof, programme director Wearable Health at imec and Holst Centre.

“When collaborating with Holst Centre, we help these companies to take the next steps, from concept to device, and our health patch is one of the many vehicles available for licensing and customized product development,” added Jeroen van de Brand, director flexible electronics at Holst Centre/TNO.

The health patch integrates unique technologies and components from industrial partners, including Hitachi Maxell’s batteries optimised for wearables, Shinko Electric Industries’ System in Package (SiP) miniaturisation technology and Henkel’s adhesive and ink technology.


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