Seth Seidman

Seth Seidman
U.S. Food and Drug Administration | FDA · Division of Physics

MS

About

29
Publications
14,200
Reads
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408
Citations
Additional affiliations
June 2003 - present
U.S. Food and Drug Administration
Position
  • Research Electrical Engineer

Publications

Publications (29)
Article
Full-text available
Background Implantable pacemakers and implantable cardioverter-defibrillators (ICDs) are designed to include a “magnet mode” feature that can be activated from magnets stronger than 10 G. This feature is designed to be used when a patient is undergoing a procedure where electromagnetic interference is possible, or anytime suspension of tachycardia...
Article
Full-text available
This article aims to provide a narrative for addressing wireless coexistence in medical devices to help medical device developers, test engineers, and regulatory affairs per-sonnel throughout the device life cycle. Accordingly, we present a case-study covering the coexistence evaluation process including the risk analysis of the wireless functional...
Article
Full-text available
This article details the experimental work conducted at the Electromagnetic Compatibility and Wireless Laboratory, U.S. Food and Drug Administration, to investigate the use of LAA signals for wireless coexistence testing. A software defined radio platform was deployed to generate realistic LAA signals and measure the wireless coexistence impact on...
Conference Paper
Full-text available
Exploiting unlicensed spectrum bands for cellular communication is a rapidly embraced trend by industry stakeholders. Accordingly, the specifications of Long Term Evolution (LTE) were extended in Release 13 to allow unlicensed spectrum operation, also known as LTE-Licensed Assisted Access (LAA). LTE is widely adopted, and there is a potential for s...
Article
Long Term Evolution (LTE) technology leveraging the unlicensed band is anticipated to provide a solution for the challenges stemming from the rapid growth of mobile wireless services, the scarcity of available licensed spectrum and the expected significant increase in mobile data traffic. Ensuring fair operation in terms of spectrum sharing with cu...
Article
Full-text available
Wireless communication is an essential part of daily life for users globally with applications in medical devices, cellular phones, Internet of Things nodes, and others. Accordingly, there is a need to understand the patterns and properties of radio frequency spectrum use by acquiring accurate spectrum utilization measurements. However, the massive...
Article
Full-text available
The use of shared and unlicensed radio spectrum has been the impetus of innovative and widely used technologies (e.g., Wi-Fi, Bluetooth, and others)—driving the scene of ubiquitous connectivity for devices, sensors, and peripherals in an encompassing Internet of Things (IoT). However, coexisting technologies operating in unlicensed bands need to sh...
Article
Full-text available
Integrating wireless technology in medical devices has proved beneficial for both patients and caregivers. However, the use of shared, unlicensed spectrum bands by both medical and non-medical wireless devices has raised concerns about wireless coexistence. The challenge of incorporating wireless communication into a medical device is to ensure rea...
Article
Full-text available
Medical device manufacturers incorporate wireless technology in their designs to offer convenience and agility to both patients and care-givers. However, the use of unlicensed radio spectrum bands by both medical devices and other equipment raises concerns about wireless coexistence. Work by the accredited standards committee C63 of the American Na...
Article
Full-text available
The increasing use of shared, unlicensed spectrum bands by medical devices and nonmedical products highlights the need to address wireless coexistence to ensure medical device safety and effectiveness. This paper provides the first step to approximate the probability of a device coexisting in its intended environment by providing a generalized fram...
Article
Full-text available
M edical device manufacturers are integrating wireless communication into medical devices at an increasing rate, specifically in the 2.4 GHz industrial, scientific, and medical (ISM) band [1]. The increased use of the 2.4 GHz ISM band is fostered by the economic benefits of inexpensive wireless chipsets and the capability to communicate with other...
Article
Full-text available
Background The use of radio frequency identification (RFID) systems in healthcare is increasing, and concerns for electromagnetic compatibility (EMC) pose one of the biggest obstacles for widespread adoption. Numerous studies have demonstrated that RFID systems can interfere with medical devices; however, the majority of past studies relied on time...
Article
Background: The use of radiofrequency identification (RFID) in healthcare is increasing, but one of the biggest obstacles for widespread adoption is electromagnetic compatibility (EMC). Numerous studies have documented that RFID can interfere with medical devices. No recognized standard test methods currently exist to address medical device EMC fro...
Article
Full-text available
The use of radiofrequency identification (RFID) in healthcare is increasing and concerns for electromagnetic compatibility (EMC) pose one of the biggest obstacles for widespread adoption. Numerous studies have documented that RFID can interfere with medical devices. The majority of past studies have concentrated on implantable medical devices such...
Article
Full-text available
Over the last decade, the number of neurostimulator systems implanted in patients has been rapidly growing. Nearly 50, 000 neurostimulators are implanted worldwide annually. The most common type of implantable neurostimulators is indicated for pain relief. At the same time, commercial use of other electromagnetic technologies is expanding, making e...
Article
Full-text available
This paper presents experimental testing that has been performed on wireless communication devices as victims of electromagnetic interference (EMI). Wireless victims included universal serial bus (USB) network adapters and personal digital assistants (PDAs) equipped with IEEE 802.11b and Bluetooth technologies. The experimental data in this paper w...
Article
Full-text available
The objective of this study is to investigate electromagnetic compatibility (EMC) of implantable neurostimulators with the emissions from radio frequency identification (RFID) emitters. Six active implantable neurostimulators with lead systems were tested for susceptibility to electromagnetic fields generated by 22 RFID emitters. These medical devi...
Conference Paper
Electromagnetic compatibility (EMC) is a critical part of addressing the risks related to the effects of electromagnetic interference (EMI) on active medical devices exposed to emissions from wireless technology. In addition, for wireless technology in healthcare to be safe, effective, reliable, and secure specific wireless issues must also be addr...
Article
Full-text available
This paper presents results of electromagnetic compatibility (EMC) testing of three implantable neurostimulators exposed to the magnetic fields emitted from several walk-through and hand-held metal detectors. The motivation behind this testing comes from numerous adverse event reports involving active implantable medical devices (AIMDs) and securit...
Article
The use of radiofrequency identification (RFID) systems is expanding and highlights the need to address electromagnetic interference (EMI) to implantable pacemakers and implantable cardioverter-defibrillators (ICDs). This study sought to examine the electromagnetic compatibility (EMC) between RFID readers and implantable pacemakers or ICDs. During...
Article
Full-text available
This paper presents a systematic procedure to evaluate the induced current densities and electric fields due to walk-through metal detector (WTMD) exposure. This procedure is then used to assess the exposure of nine pregnant women models exposed to one WTMD model. First, we measured the magnetic field generated by the WTMD, then we extracted the eq...
Article
We developed hardware and software to perform exposure studies of the effects of certain RF electromagnetic fields on solid and liquid pharmaceuticals and biologies. The RF fields generated by our systems are similar to those emitted by RFID readers operating in the U.S. licensed HF and UHF bands. Our systems can expose drug samples (pharmaceutical...
Conference Paper
We developed hardware and software to perform exposure studies of the effects of certain radio frequency (RF) electromagnetic fields on solid and liquid pharmaceuticals and biologies. The RF fields generated by our systems are similar to those emitted by radio frequency identification (RFID) readers operating in the USA licensed high frequency (HF)...
Article
A test method was adapted to test the Electromagnetic Compatibility (EMC) between active implantable cardiac devices and Radio Frequency Identification (RFID) readers. A total of 18 pacemakers and 19 Implantable Cardiac Defibrillators (ICDs) from five of the leading pacemaker and ICD manufacturers were tested for immunity to Radio Frequency (RF) em...
Conference Paper
This work examines the electromagnetic compatibility (EMC) of several priority medical devices, such as implanted cardiac pacemakers and implanted nerve stimulators, with the emissions from 28 different hand-held metal detectors (HHMDs). The HHMD emissions were measured and mapped to assess the waveforms, magnitude, and distribution of emission fie...
Conference Paper
Full-text available
In this paper, we describe a procedure to evaluate the electrical current, induced by walk-through metal detectors electromagnetic emission, inside a human model for safety assessment. This procedure consists of the measurement of the magnetic field, the derivation of equivalent current source, and the calculation of induced current using the imped...
Article
Full-text available
This paper presents new definitions for obtaining reproducible results in numerical phone dosimetry. Numerous numerical dosimetric studies have been published about the exposure of mobile phone users which concluded with conflicting results. However, many of these studies lack reproducibility due to shortcomings in the description of the phone posi...

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