Events
which can be mounted on the tubes of monitoring devices, are ideally suited for this purpose – ultrasound waves penetrate the tube from the outside and make non-contact monitoring possible. The ultrasound sensors can also help monitor different media, for example with non-contacting, non-contaminating measurement of the gas flow inside respirators or detection of potentially fatal bubbles of air in the tubes of heart-lung machines or dialysis machines. Piezo components integrated into ultrasound sensors can generate the ultrasound.
Photonic biosensors for early cancer diagnosis
Over the last ten years, biosensor technologies have been developed which enable the sensitive, quantitative detection of biomarkers – indicator molecules, for example special proteins or DNA – for diseases such as cancer, cardiovascular and infectious diseases.
Photonic biochips use light instead of electricity to determine the presence of biomarkers. Light passes through a spiral structure on the chip, comparable to a miniature optic fibre. Receptor molecules applied to the surface of the photonic biochip can selectively capture and bind certain biomarkers in a sample, based on biorecognition. The interaction between the receptor molecules and the biomarkers leads to a change in the properties of the light, which is recognised and translated into a useful diagnostic result, for example, information regarding the presence or concentration of a certain biomarker in the sample.
The goal of the APFEL project: An intelligent electronic plaster Healing wounds is a problem that still has not been completely understood and solved. Acute wounds heal within a few days or weeks, depending on the size of the injury. The property of an electric gradient to cause directional movement and polarisation of cells in regenerative tissue is the starting point for different therapies developed by the BMBF project, APFEL, described as an “intelligent electronic plaster” that is supposed to lead to faster and improved wound healing. In this project, the Fraunhofer Institute for Electronic Nanosystems (ENAS) and its partners are researching additive procedures to manufacture electronic systems with several flexible layers. In the meantime, a technological demonstrator for an electrically active plaster with printed electrodes on flexible substrates has been created. In a scratch assay, gaps were introduced to a cell layer and the accelerated closure of this “wound” was demonstrated. “To achieve this, we adapted screen printing methods for the manufacture of conductive and insulating multi-layer strata on flexible substrates”, said Valeri Fitz, scientific research fellow in the system
Medical Device Developments /
www.nsmedicaldevices.com
packaging department at ENAS, at the COMPAMED Innovation Forum in June. Further development included electrical vias (vertical interconnect access points) for thin film substrates and structuring and connective technologies for the hybrid integration of common electronic components and related electronic control systems for testing the demonstrators. The result is that additive manufacturing can be used to develop flexible medical pads that can be used both for the treatment of wounds and in diagnostics.
Impressive outlook for topics at COMPAMED 2023 “Sensor technology for prevention and personalised therapy” was the headline of this year’s COMPAMED Innovation Forum. Those that demonstrated at the event offered an extensive preview of the content for the upcoming COMPAMED 2023, which will be held in Düsseldorf in November. It was also an impressive demonstration of the breadth of technologies and applications that have become so characteristic for the COMPAMED professional trade fair over the years. “The importance of sensors for medical technology cannot be overestimated, as they are the basis for precise diagnoses, effective treatments and improvements within patient care,” said Dr Thomas Dietrich, CEO of IVAM, in his summary of the COMPAMED Innovation Forum 2023. “The future developments of sensor technology within medical technology promise a growing breadth of applications, from implantable sensors for monitoring chronic diseases to compact wearables that can be worn on the body and continually monitor people’s health in a way that is reliable and saves money,” he concluded. To see what medical technology industry suppliers are capable of beyond the field of sensor technology, the best option is COMPAMED 2023, taking place from 13–16 November in Düsseldorf. Found in the trade fair halls 8a and 8b, more than 700 exhibiting companies will present a wide range of high-tech and service solutions. ●
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How high-tech sensor technology can innovate offer personalised treatment was discussed at the COMPAMED Innovation Forum 2023, held in June.
COMPAMED Messe Düsseldorf
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