[PSES] Magnetic fields, human exposure standards, and pacemakers

2023-02-17 Thread Doug Nix
Hi Dan, I saw this come across my inbox this morning and immediately thought about the conversation on this list that you started in 2022. I thought you might be interested in the lead article on the pacemaker study. Doug Nix d...@ieee.org +1 (519) 729-5704 > Begin forwarded message: > >

Re: [PSES] AW: [PSES] Magnetic fields, human exposure standards, and pacemakers

2022-11-08 Thread Dan Roman
, and pacemakers Hello Dan, on https://www.bfarm.de/DE/Medizinprodukte/Aufgaben/Risikobewertung-und-Forschu ng/Wissenschaftliche-Aufarbeitung/EMV-Studie_Herzschrittmacher.html you may find a press release from the German Bundesinstitut für Arzneimittel und Medizinprodukte (BfArM; Federal

[PSES] AW: [PSES] Magnetic fields, human exposure standards, and pacemakers

2022-11-08 Thread Dürrer Bernd
and Medical Devices) on a "Study on the immunity of implantable pacemakers of the Institut für Rundfunktechnik GmbH, Munich". In this study, the EMC immunity of 274 pacemaker devices was tested according to European standard EN 45502-2-1 (CENELEC - CEN/CLC/JTC 16 (cencenelec

Re: [PSES] Magnetic fields, human exposure standards, and pacemakers

2022-11-07 Thread Dan Roman
to subject my relative to that! Dan From: Chas Grasso [mailto:charles.gra...@dish.com] Sent: Monday, November 07, 2022 10:16 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Magnetic fields, human exposure standards, and pacemakers Hello Dan, Dont you think that (irrespective

Re: [PSES] Magnetic fields, human exposure standards, and pacemakers

2022-11-07 Thread Chas Grasso
rks! Now I’m curious. > > > > Dan > > > > > > *From:* MIKE SHERMAN [mailto:msherma...@comcast.net] > *Sent:* Thursday, November 03, 2022 8:52 PM > *To:* EMC-PSTC@LISTSERV.IEEE.ORG > *Subject:* Re: [PSES] Magnetic fields, human exposure standards, and > pace

Re: [PSES] Magnetic fields, human exposure standards, and pacemakers

2022-11-06 Thread Dan Roman
standards, and pacemakers Dan -- I'd suggest that you have your relative call Support at the pacemaker/defib manufacturer. On a slightly different project, I found a lot of on-line information about device immunity, and I think we even called Support and got additional clarifying information

Re: [PSES] Magnetic fields, human exposure standards, and pacemakers

2022-11-03 Thread MIKE SHERMAN
llator who recently > got a fitness tracker that has a magnet for attachment/alignment of the > charging cord. There are warnings in the user manual advising against people > with pacemakers using this product because of the magnets, which I assume are > fairly strong rare e

Re: [PSES] Magnetic fields, human exposure standards, and pacemakers

2022-11-03 Thread Douglas Nix
Hi Dan, So the issue here is that pacemakers are designed to be stopped with the use of a permanent magnet. When the cardiologist is checking the operation of the pacemaker in the office, they will stop it by placing a permanent magnet on the chest of the patient. They can then see how

Re: [PSES] Magnetic fields, human exposure standards, and pacemakers

2022-11-03 Thread Richard Nute
Mains power lines running overhead make magnetic fields at 50/60 hertz…. I lived near Barcelona, Spain, for almost two years. The local trains used overhead lines. The stations used color CRT displays for train info. You could tell when a train was arriving as the display would distort

Re: [PSES] Magnetic fields, human exposure standards, and pacemakers

2022-11-03 Thread Bill Owsley
, and those speaker and power port magnetics are DC.Another comparison, the shoplifting detector devices at the doors of many retail shops are not DC, but AC magnetic fields that tends operate at about 15-25 kilowatts. So pacemakers and other magnetic sensitive devices are designed to go

[PSES] Magnetic fields, human exposure standards, and pacemakers

2022-11-03 Thread Dan Roman
Hello list! I have a relative with an implanted pacemaker/defibrillator who recently got a fitness tracker that has a magnet for attachment/alignment of the charging cord. There are warnings in the user manual advising against people with pacemakers using this product because of the magnets

Re: [PSES] Implantation Cardiac Devices aka Pacemakers EMI

2022-05-12 Thread David Schaefer
Paolo, You are looking for ISO 14117 which covers implantable pacemakers and defibrillators. It has E and H field radiated testing as well as conducted testing for susceptibility to things like cellular signals, RFID, metal detectors, etc. Thanks, [cid:image027758.jpg@62B1CD1F.C2AAF550

[PSES] Implantation Cardiac Devices aka Pacemakers EMI

2022-05-12 Thread Paolo Roncone
Hello everybody anyone can give infos about interference levels on implantation cardiac devices, also known as pacemakers ? 1. standard levels of EMI that are allowed. Is IEC/EN 60601-1-2 the only applicable standard or is there any other more specific for pacemakers? 2. typical and hazardous

Pacemakers

2009-01-07 Thread Niels Hougaard
Dear list members, I am looking for the field strength that implantable pacemakers are designed to work perfect at. Frequency range in question is 10 - 50 kHz. The medical standard EN 60601-1-2 has no requirements in that frequency range. I have found EN 45502-1 and ISO 14708-2

Re: Pacemakers

2009-01-07 Thread John Woodgate
In message 009d01c970cb$a4087720$ec196560$@dk, dated Wed, 7 Jan 2009, Niels Hougaard n...@bolls.dk writes: I am looking for the field strength that implantable pacemakers are designed to work perfect at. Frequency range in question is 10 - 50 kHz. This is a very complex issue, still under

RE: Pacemakers

2009-01-07 Thread John McAuley
] On Behalf Of Niels Hougaard Sent: 07 January 2009 13:27 To: emc-p...@ieee.org Subject: Pacemakers Dear list members, I am looking for the field strength that implantable pacemakers are designed to work perfect at. Frequency range in question is 10 - 50 kHz. The medical standard EN 60601-1-2

RE: Pacemakers

2009-01-07 Thread Helge Knudsen
. +45 44 99 28 00 â–ª www.niros.com From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of John Woodgate Sent: 7. januar 2009 14:49 To: emc-p...@ieee.org Subject: Re: Pacemakers In message 009d01c970cb$a4087720$ec196560$@dk, dated Wed, 7 Jan 2009, Niels Hougaard n...@bolls.dk writes

Re: Pacemakers

2009-01-07 Thread John Woodgate
of people to electromagnetic fields from 0 Hz to 300 GHz. Yes, and that includes exposure of the pacemakers to those fields. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk Things can always get better. But that's not the only option. John Woodgate, J M Woodgate and Associates

RE: Pacemakers

2009-01-07 Thread John McAuley
From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Helge Knudsen Sent: 07 January 2009 14:56 To: John Woodgate; emc-p...@ieee.org Subject: RE: Pacemakers Hello John, I do not think Cenelec TC 106X work with this issue: Scope (en) TC 106X deals with various aspects of the exposure

RE: Pacemakers

2009-01-07 Thread Haynes, Tim (SELEX GALILEO, UK)
Of John Woodgate Sent: Wednesday, January 07, 2009 3:07 PM To: Helge Knudsen Cc: emc-p...@ieee.org Subject: Re: Pacemakers *** WARNING *** This mail has originated outside your organization, either from an external partner or the Global Internet. Keep this in mind if you answer

Re: Pacemakers

2009-01-07 Thread John Woodgate
In message 201048ea81ba0745aca78e4cc883900104203...@desmdswms201.des.grplnk.net, dated Wed, 7 Jan 2009, Haynes, Tim (SELEX GALILEO, UK) tim.hay...@selexgalileo.com writes: Is WG15 also dealing with combined pacemaker/defibrillator units? I think so, but I'm not a member. I think the work is

Re: MP-3 players cause pacemakers to malfunction?

2007-05-11 Thread emc-p...@ieee.org
In message 0ed66cd2c9bd0a459d54fb9119a605675f5...@mailserver.lecotc.com, dated Fri, 11 May 2007, Kunde, Brian brian_ku...@lecotc.com writes: The study had credibility because the kid's father was a heart doctor, but neither one is an EMC engineer. I think they had the wrong expertise involved

RE: MP-3 players cause pacemakers to malfunction?

2007-05-11 Thread emc-p...@ieee.org
to point out the emporers clothes. Kunde, Brian brian_ku...@lecotc.com wrote: Sounds like the kid's dad was installing budget pacemakers. I've read about 6 different articles on this topic today which all seem to have conflicting stories. Even Paul Harvey mentioned it today. The media seems

Re: MP-3 players cause pacemakers to malfunction?

2007-05-11 Thread emc-p...@ieee.org
Or, to re-state the title; pacemakers susceptable to interference that can cause malfunctions And why re-state the title? Recall the many recalls of pacemakers and such in recent times. Tarver, Peter peter.tar...@sanmina-sci.com wrote: This is a study, rather than an incident report. Hysteria

MP-3 players cause pacemakers to malfunction?

2007-05-11 Thread emc-p...@ieee.org
This is a study, rather than an incident report. Hysteria (like the cell phone fire a few weeks back) or reality? The occupations of parents of the study creator (especially the father) and the lead author lend credibility. That the study was performed on implanted pacemakers made me uneasy

RE: Heart pacemakers - Vulnerability to EM

2004-11-21 Thread owner-emc-p...@listserv.ieee.org
...@listserv.ieee.org [mailto:owner-emc-p...@listserv.ieee.org]On Behalf Of drcuthb...@micron.com Sent: Freitag, 19. November 2004 15:47 To: israe...@oms-it.co.il; emc-p...@ieee.org Subject: RE: Heart pacemakers - Vulnerability to EM I don't know what the standards call for but it is quite possible

Re: Heart pacemakers - Vulnerability to EM

2004-11-20 Thread owner-emc-p...@listserv.ieee.org
It may be worth noting that in the medium wave broadcast band the FCC limit is over 600 volts per meter. We don't incur inherently harmful induced body currents with less at these frequencies -- unless we're hanging onto an antenna. But considering the low potentials to be measured, and the

Re: Heart pacemakers - Vulnerability to EM

2004-11-20 Thread owner-emc-p...@listserv.ieee.org
-0700 To: israe...@oms-it.co.il, emc-p...@ieee.org Subject: RE: Heart pacemakers - Vulnerability to EM I don't know what the standards call for but it is quite possible for a person to be subjected to an E-field exceeding 500 V/m very near to an amateur radio station. This is the field at my

RE: Heart pacemakers - Vulnerability to EM

2004-11-19 Thread owner-emc-p...@listserv.ieee.org
I have just a bit of personal experience in testing implantable pacemakers and volumetric infusion pumps. I had been doing RF immunity studies for a manufacturer, circa 1990, using an FDA standard (MDS-401-xxx?) for medical electronic devices. I exposed devices to fields as strong as I could

RE: Heart pacemakers - Vulnerability to EM

2004-11-19 Thread owner-emc-p...@listserv.ieee.org
...@ieee.org Subject: RE: Heart pacemakers - Vulnerability to EM I am no expert in this subject, and some of what I am about to say is hearsay, but here it is for what it's worth. Safety levels are generally based not on field strength, but on power density. However, these levels are set

RE: Heart pacemakers - Vulnerability to EM

2004-11-19 Thread owner-emc-p...@listserv.ieee.org
on a pacemaker rather than directly on the body itself. Clearly, if you disrupt a pacemaker then it is the pacemaker that has an effect on the body. I believe that the susceptibility depends greatly on whether they are external pacemakers or implanted pacemakers. The implanted devices are much less

RE: Heart pacemakers - Vulnerability to EM

2004-11-19 Thread owner-emc-p...@listserv.ieee.org
, at the body, of over 30 V/m. Dave Cuthbert From: owner-emc-p...@listserv.ieee.org mailto:owner-emc-p...@listserv.ieee.org] On Behalf Of Israel Sent: Thursday, November 18, 2004 4:55 PM To: emc-p...@ieee.org Subject: Heart pacemakers - Vulnerability to EM Hi all Heart pacemakers may

Heart pacemakers - Vulnerability to EM

2004-11-18 Thread owner-emc-p...@listserv.ieee.org
Hi all Heart pacemakers may be vulnerable to Electro Magnetic energy. Has anyone idea about safe immunity levels ? about relevant standards regarding this matter ? Thanks ! This message is from the IEEE Product Safety

pacemakers

2003-02-24 Thread Knighten, Jim L
I have been asked the following question: Does anybody have any experience with pacemakers and multiple spark discharge ignitions? We would like to know if there is any trouble with a pacemaker when it gets close to a high powered ignition. If there is anyone who is racing cars and has

RE: Medical Wrist Device and Cardiac Pacemakers

2002-09-18 Thread Jim Conrad
Hi Peter, I'm not sure what your wrist device does. Does it have electronics in it with clock frequencies over 9 kHz? Does it transmit a EMF? If the device is within CISPR limits then you should be OK for pacemakers. I think they are tested at 100 V/m. Some pacemakers have a magnetic switch

Medical Wrist Device and Cardiac Pacemakers

2002-09-17 Thread Peter Merguerian
Dear All, For a medical device to be worn on the wrist of a patient, does anyone know what additional requirements (if any) should the manufacturer of the medical device take in order for the device not to interfere with a cardiac pacemaker? My little research on the subject tells me that the

RE: Pacemakers

2002-07-19 Thread richwoods
Check the AAMI site for possible US standards. http://www.aami.org/ Devices are tested to FDA requirements by Georgia Tech Research Institute. Contact Jimmy Woody for info. http://www.gtri.gatech.edu/ A1:1995 of EN 50061:1988 covers immunity of implantable pacemakers. PrEN 45502-2-1 is a new

RE: Pacemakers

2002-07-19 Thread Robert F. Martin ITS/ES-Box
Industry (and international) standard as listed by AAMI (Association for the Advancement of Medical Instrumentation): IEC 60601-2-31:1994 -- Medical electrical equipment, Part 2: Particular requirements for the safety of external cardiac pacemakers with internal power source Item: Final Document

Pacemakers

2002-07-19 Thread reheller
Is anyone aware of any radiated immunity standards or test limits for pacemakers (national, international, or industry)? Bob Heller 3M Product Safety, 76-1-01 St. Paul, MN 55107-1208 Tel: 651- 778-6336 Fax: 651-778-6252 --- This message is from

RE: pacemakers

2002-01-21 Thread richwoods
It is well known in the medical device community that the immunity standards for implanted medical devices and the emissions standards for electrical devices are not compatible. Pacemakers have an operations mode that is used when excessive noise is detected. That mode goes by several names

pacemakers

2002-01-18 Thread georgea
electronics is not that much different from any other electronic camera. All such devices must operate at very low power levels to avoid changing batteries every month. My wife's APS can go a year or more on a battery, and that's including use of the built in flash. Pacemakers--My father-in-law

RE: Standard for EM Immunity for cardiac pacemakers?

2001-09-04 Thread WOODS
: Peter Poulos [SMTP:pet...@foxboro.com.au] Sent: Friday, August 31, 2001 2:21 AM To: emc-p...@ieee.org Subject: Standard for EM Immunity for cardiac pacemakers? Can anyone point me in the direction of any standards that would cover the electromagnetic

Standard for EM Immunity for cardiac pacemakers?

2001-08-31 Thread Peter Poulos
Can anyone point me in the direction of any standards that would cover the electromagnetic immunity requirements for cardiac pacemakers? The focus of my interest is for pacemakers that are likely to be found in Hong Kong or southern China. The closest I've found with my own hunting so far

RE: Pacemakers and ANSI standard...?

2000-12-08 Thread WOODS
ANSI/IEEE C95.1 is for human exposure but it does not cover pacemakers. Draft VDE0848 part 2 (1991) covers 30 kHz-300Ghz and does have limits for pacemakers. An English translation is available from BSI. There is no relationship between the limits for human exposure and limits for pacemakers

Pacemakers and ANSI standard...?

2000-12-08 Thread David_L_Tarnowski
What is the ANSI standard or regulation for safe limits for people exposed to electromagnetic fields? How about people with pacemakers? I've been informed that there may have been a German study done in 1988 concluding that these field limit values could be used

Re: Pacemakers

1999-06-25 Thread Paul Cook
deal of pacemaker testing, possibly testing more pacemakers each year than any other lab. Also, some EMC consultants in Minneapolis are very familiar with pacemaker testing issues. Paul Cook NARTE Certified EMC Engineer Alpha EMC Inc 8540 West River Rd Minneapolis, Minnestoa 55444 Tel # (612)-561

RE: Pacemakers

1999-06-22 Thread Cortland Richmond
operate normally. Cortland (KA5S) Richmond == Original Message Follows Date: 21-Jun-99 05:06:07 MsgID: 1068-85694 ToID: 72146,373 From: WOODS, RICHARD INTERNET:wo...@sensormatic.com Subj: RE: Pacemakers Chrg: $0.00 Imp: Norm Sens: StdReceipt

RE: Pacemakers

1999-06-21 Thread WOODS, RICHARD
Brian, in the EU all pacemakers must comply with the immunity requirements of EN50061/A1:1995. There are no real requirements in the US. Pacemakers must not malfunction when a 1V peak to peak sine signal with a frequency range of 20 Hz-500 Hz is applied to a tissue interface simulation circuit

Pacemakers

1999-06-18 Thread Brian At Work
How do I know if a product MIGHT interfere with a Pacemaker or not? What types of emissions and levels are Pacemakers sensitive to? Does a product evaluation check list exist to help determine this. I know nothing about Pacemakers. BTW, we manufacture laboratory and IT equipment. Thank you

RE: EMC for Pacemakers

1998-09-17 Thread Juan Pedro Peña
No. Amendment 1 of EN 50061 contains the right EMC requirements for pacemakers. Similar EMC requirements have been included in EN 45502 family for other kinds of implantable medical devices. Juan Pedro Peña

EMC for Pacemakers

1998-09-16 Thread WOODS, RICHARD
Does EN 60601-1-2:1993 cover EMC for implantable medical devices such as pacemakers? - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to majord...@ieee.org with the single line: unsubscribe emc-pstc (without the quotes). For help, send

Re: EMC for Pacemakers

1998-09-16 Thread Patrick Lawler
On Wed, 16 Sep 1998 13:59:24 -0400, you wrote: Does EN 60601-1-2:1993 cover EMC for implantable medical devices such as pacemakers? I don't see it mentioned, although there is an IEC standard that covers them: IEC 60601-2-10 (1987-12) Medical electrical equipment. Part 2: Particular requirements