Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Online patient monitoring

15.12.2005


Drivers know whether or not their cars are running properly by observing the dashboard. Physicians can check vital parameters such as the pulse even when their patients are at home. The data can be recorded with the wireless monitoring device VitaSENS.



The modern automobile relies on sensors to monitor the vehicle’s operating condition. Whether it’s the speed, RPM, open doors, oil pressure, coolant temperature or fuel level, the driver constantly receives information about the “health” and well-being of his car. Should he be unfortunate enough to land in the hospital himself, it is his own vital parameters that the attending physicians will need to check. Regularly measuring and monitoring vital signs like pulse, temperature or blood oxygen content can also be important in rehabilitation clinics, as part of post-therapy treatment at home, or during professional sports activities.

It was to meet this need that Fraunhofer researchers introduced the multi-sensory Body Area Network (BAN) four years ago. In the meantime, they have integrated a whole series of sensors in a single device and christened it VitaSENS. Optical sensors attached to the earlobe, finger or arm measure the blood oxygen saturation, heart rate and arterial pulse curve – the latter being the pulse wave generated by the heart muscle each time it contracts.


Three to four electrodes placed on the upper body provide an ECG. An optional position sensor determines whether the patient is in a standing or lying position. The speed at which this signal changes reveals whether the patient has fallen or merely decided to lie down. The respiratory sensor, especially useful in sleep research, can provide an indication of apnea by measuring the respiratory flow rate. Using the ZigBee or Bluetooth wireless communications standard with a range of between 10 and 100 meters, each sensor transmits its measurements to a base station without ensnaring the patient in cable spaghetti.

The base station analyzes the individual measurements, recognizes medically relevant results and when needed transmits them to the physician’s office, clinic or other treatment facility. One version of the VitaSENS® sends the data directly to a mobile phone, which then relays the information in case of an emergency, thus ensuring maximum mobility.

“We’re currently working with two equipment manufacturers to convert our prototypes to series production,” says Christian Weigand of the Fraunhofer Institute for Integrated Circuits IIS. “It’s also important that we continue to make the components even smaller so that they are less of a burden on the patient.” Yet despite these demanding goals, the researchers must ensure that the process of measuring and transmitting the patient’s ’operating condition’ remains reliable and error-free at all times.

Johannes Ehrlenspiel | alfa
Further information:
http://www.fraunhofer.de/press

More articles from Information Technology:

nachricht Smart Computers
18.08.2017 | Albert-Ludwigs-Universität Freiburg im Breisgau

nachricht AI implications: Engineer's model lays groundwork for machine-learning device
18.08.2017 | Washington University in St. Louis

All articles from Information Technology >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Fizzy soda water could be key to clean manufacture of flat wonder material: Graphene

Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.

As graphene's popularity grows as an advanced "wonder" material, the speed and quality at which it can be manufactured will be paramount. With that in mind,...

Im Focus: Exotic quantum states made from light: Physicists create optical “wells” for a super-photon

Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.

Light particles (photons) occur as tiny, indivisible portions. Many thousands of these light portions can be merged to form a single super-photon if they are...

Im Focus: Circular RNA linked to brain function

For the first time, scientists have shown that circular RNA is linked to brain function. When a RNA molecule called Cdr1as was deleted from the genome of mice, the animals had problems filtering out unnecessary information – like patients suffering from neuropsychiatric disorders.

While hundreds of circular RNAs (circRNAs) are abundant in mammalian brains, one big question has remained unanswered: What are they actually good for? In the...

Im Focus: RAVAN CubeSat measures Earth's outgoing energy

An experimental small satellite has successfully collected and delivered data on a key measurement for predicting changes in Earth's climate.

The Radiometer Assessment using Vertically Aligned Nanotubes (RAVAN) CubeSat was launched into low-Earth orbit on Nov. 11, 2016, in order to test new...

Im Focus: Scientists shine new light on the “other high temperature superconductor”

A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.

Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Call for Papers – ICNFT 2018, 5th International Conference on New Forming Technology

16.08.2017 | Event News

Sustainability is the business model of tomorrow

04.08.2017 | Event News

Clash of Realities 2017: Registration now open. International Conference at TH Köln

26.07.2017 | Event News

 
Latest News

A Map of the Cell’s Power Station

18.08.2017 | Life Sciences

Engineering team images tiny quasicrystals as they form

18.08.2017 | Physics and Astronomy

Researchers printed graphene-like materials with inkjet

18.08.2017 | Materials Sciences

VideoLinks
B2B-VideoLinks
More VideoLinks >>>