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Electromagnetic Compatibility Testing of Active Implantable Medical Devices Against Radio Frequency Identification Interrogators

Stachel, Joshua (2011) Electromagnetic Compatibility Testing of Active Implantable Medical Devices Against Radio Frequency Identification Interrogators. Master's Thesis, University of Pittsburgh.

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    Abstract

    Over the past few years radio frequency identification (RFID) technology has experienced substantial market growth. Over this time RFID technology has been incorporated into an ever increasing number of applications and products in the everyday environment such as smart card access control systems, inventory tracking, and real-time tracking and location systems. Also, over the last few decades the number of patients requiring active implantable medical devices (AIMD) such as implantable cardiac pacemakers and implantable cardioverter defibrillators has been steadily increasing due to advances in pacing technology as well as the aging populace of many countries around the world. If these trends continue, as they are expected to, this will place the AIMD patient at an ever increasing risk of encountering electromagnetic interference (EMI) to their AIMD caused by the electromagnetic fields (EMF) produced by these RFID devices. This highlights the importance of electromagnetic compatibility (EMC) testing of these technologies. This research focuses on EMC testing of many different types of AIMDs subjected to EMF emitted by several different, commercially available RFID interrogators. The testing presented here differs from that in the literature in that it is accomplished by use of 3 different in vitro models of the human body rather than a singular model. The use of 3 different models will facilitate a more complete assessment of the risks associated with AIMD patients coming in close contact with RFID technologies. Additionally, EMI mitigation techniques are explored and a novel mitigation technique based on ramped amplitude carrier waves is proposed and tested.


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    Details

    Item Type: University of Pittsburgh ETD
    Creators/Authors:
    CreatorsEmailORCID
    Stachel, Joshuajrs49@pitt.edu
    ETD Committee:
    ETD Committee TypeCommittee MemberEmailORCID
    Committee ChairMickle, Marlin Hmickle@engr.pitt.edu
    Committee MemberHoelzeman, Ronald Ghoelzema@pitt.edu
    Committee MemberMao, Zhi-Hongmaozh@engr.pitt.edu
    Title: Electromagnetic Compatibility Testing of Active Implantable Medical Devices Against Radio Frequency Identification Interrogators
    Status: Unpublished
    Abstract: Over the past few years radio frequency identification (RFID) technology has experienced substantial market growth. Over this time RFID technology has been incorporated into an ever increasing number of applications and products in the everyday environment such as smart card access control systems, inventory tracking, and real-time tracking and location systems. Also, over the last few decades the number of patients requiring active implantable medical devices (AIMD) such as implantable cardiac pacemakers and implantable cardioverter defibrillators has been steadily increasing due to advances in pacing technology as well as the aging populace of many countries around the world. If these trends continue, as they are expected to, this will place the AIMD patient at an ever increasing risk of encountering electromagnetic interference (EMI) to their AIMD caused by the electromagnetic fields (EMF) produced by these RFID devices. This highlights the importance of electromagnetic compatibility (EMC) testing of these technologies. This research focuses on EMC testing of many different types of AIMDs subjected to EMF emitted by several different, commercially available RFID interrogators. The testing presented here differs from that in the literature in that it is accomplished by use of 3 different in vitro models of the human body rather than a singular model. The use of 3 different models will facilitate a more complete assessment of the risks associated with AIMD patients coming in close contact with RFID technologies. Additionally, EMI mitigation techniques are explored and a novel mitigation technique based on ramped amplitude carrier waves is proposed and tested.
    Date: 30 June 2011
    Date Type: Completion
    Defense Date: 23 July 2010
    Approval Date: 30 June 2011
    Submission Date: 22 July 2010
    Access Restriction: 5 year -- Restrict access to University of Pittsburgh for a period of 5 years.
    Patent pending: No
    Institution: University of Pittsburgh
    Thesis Type: Master's Thesis
    Refereed: Yes
    Degree: MSEE - Master of Science in Electrical Engineering
    URN: etd-07222010-092009
    Uncontrolled Keywords: defibrillator; EMI; implantable medical devices; mitigation; pacemaker; RFID
    Schools and Programs: Swanson School of Engineering > Electrical Engineering
    Date Deposited: 10 Nov 2011 14:52
    Last Modified: 04 Jun 2012 09:43
    Other ID: http://etd.library.pitt.edu/ETD/available/etd-07222010-092009/, etd-07222010-092009

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