Internet Connected Pacemakers Coming Soon

Main Digest

The aging of society needs new, more cost-effective solutions to improve the life quality of patients and cut the burden that is placed on the social welfare system.

In modern western societies the fitting of pacemakers and implantable cardioverter defibrillators (ICDs) is growing rapidly. Devices of this type control heart rhythm and, if necessary, send an appropriate response to make the heart beat at the right rhythm. They also record heart activity patterns when abnormal heart rhythm is detected. This information is periodically checked and monitored by a doctor to plan future treatment. To do this, the information is transmitted in wireless mode to an external device. At the moment this communication is carried out in hospitals.

The main manufacturers of pacemakers and DCIs have started to market remote management devices. The remote monitoring of implantable, wireless medical sensors is a constantly advancing field which nevertheless still has clear shortcomings.

The direct connection of medical sensors to the Internet is the next natural step in this evolution, and will enable doctors to obtain the information stored by the sensors at any moment and from any device connected to the Internet. Despite its great potential, the success of a monitoring system of this type is determined, among other things, by the protection of the privacy of the information transmitted

A researcher in the UPV/EHU's Department of Communications Engineering has developed the Ladon security protocol, an efficient mechanism to authenticate, authorize and establish the end-to-end keys (keys for communication between the terminal used by the doctor and the patient's device), which offers revolutionary features for sensors of this type.

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Energy Efficiency, Memory Space, Latency

There are three key parameters in the development of new solutions for implantable medical sensors:

• Energy consumption
• Memory space
• Latency

Energy efficiency is the most important design parameter for any protocol that has to work in these devices, since replacing the batteries used in them means opening up a wound in the patient's chest. As the UPV/EHU researcher Jasone Astorga explained, it has been found that "the energy consumption of this Ladon protocol is negligible in comparison with the usual consumption of a pacemaker or ICD when applying its therapy (stimulating or de-fibrillating), and has no significant impact on how long the batteries last". On the other hand, they have found that the deployment of this security application in the sensors has led to very little memory consumption.

And finally, the latency incorporated by the protocol in the setting up of a secure communication is also less. All this turns it into a protocol suited to deploying functionalities to authenticate and control access in the sensors and for the setting up of a secret key that can be used to protect the confidentiality and integrity of the medical information transmitted over the wireless network.

Apart from its application in the remote monitoring of medical sensors, all the checks carried out in relation to the protocol lead to the conclusion that this is a protocol to authenticate, authorize and set up the keys that is right for use even in the security of critical applications from the point of view of delay, like remote surgery, for example. In any case, the possibility of marketing this protocol for these purposes is still a long way off, as validations would have to be conducted on real pacemakers.

"We have carried out our validation on a commercial sensor, not on a real pacemaker," said the researcher. In other words, "one would have to conduct studies using real medical sensors and real patients," explained Astorga. "In any case, we believe that it is a step forward down the road along which the remote monitoring of patients using implanted medical sensors can go on advancing."

Information:

Jasone Astorga (Amurrio, Basque Country, 1981) is a telecommunications engineer (UPV/EHU) and an assistant lecturer in the Department of Communications Engineering of the UPV/EHU's Faculty of Engineering in Bilbao. The design of the Ladon protocol was the basis of the research conducted in her thesis.

Bibliographical References:

J. Astorga, J. C. Astorga, E. Jacob, N. Toledo, M. Higuero (2014). "Securing access to next generation IP-enabled pacemakers and ICDs using Ladon", Journal of Ambient Intelligence and Smart Environments, ISSN: 1876-1364, vol. 6, n 2, 157-177.

J. Astorga, E. Jacob, N. Toledo, M. Aguado (2014). "Analytical Evaluation of a Time- and Energy-Efficient Security Protocol for IP-enabled Sensors", Computers and Electrical Engineering, ISSN: 0045-7906, vol. 40, n 2, 539-550.

J. Astorga, E. Jacob, M. Huarte, M. Higuero (2012). "Ladon: End-to-end Authorization Support for Resource-Deprived Environments", IET Information Security, ISSN: 1751-8709, vol. 6, n 2, 93-101.

Attribution/Source(s):

This quality-reviewed publication titled "Internet Connected Pacemakers Coming Soon" was chosen for publishing by Disabled World's editors due to its relevance to our readers in the disability community. While the content may have been edited for style, clarity, or brevity, it was originally authored by University of the Basque Country and published 2015/01/30 (Edit Update: 2020/10/16). For further details or clarifications, you can contact University of the Basque Country directly at ehu.es. Please note that Disabled World does not provide any warranties or endorsements related to this article.

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Cite This Page (APA): University of the Basque Country. (2015, January 30). Internet Connected Pacemakers Coming Soon. Disabled World. Retrieved April 18, 2024 from www.disabled-world.com/assistivedevices/household/pacemakers.php

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