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June 22, 1998 - Leta Speaking as a person who has had a pacemaker (two, actually) over the last 17 years, I'd just like to say that I truly hope the benefits of cellular phone service for everyone, theft-alarm devices at department store entrances, and other technological "advances" that can screw up my heartbeat in a heartbeat, far outweigh the uneasiness with which these dubious boons to society are viewed by us pacemaker wearers--at least, those of us who even know about their hazards. If it weren't for the Internet, I wouldn't know about this stuff myself because my cardiologist sure never tells me anything. Thank God for the technology that keeps us alive, but please, all you perfect people, be aware that there are two sides to every news item.
May 27, 1998 - Rustom What about the presence of a cellular phone tower in the vicinity of one's home or work; would that affect a pacemaker in any way? Would appreciate some feedback or where I can find out more about this topic.
June 6, 1997 - A. Mehrotra And the purpose of an antenna that would not radiate would be....????
April 1, 1997 - J. Heikes In response to J. Beckman's comment of August 17, 1996, an antenna incapable of radiating would only be useful as a tie-tack or maybe a game piece for monopoly.
September 21, 1996 - R. Stevenson, Maxwell Technologies, San Diego. I am an inventor of patented EMI filters for human implantable devices including pacemakers and cardioversion defibrillators. These EMI filters are currently sold by Maxwell Technologies to a number of U.S. manufacturers of pacemakers and ICDs. The FDA in concert with the WTR and Dr. Roger Carrillo of the Mount Sinai Medical Center in Miami Florida have recently reported on the results of in Vitro and in Vivo tests which prove that pacemakers equipped with such EMI filters are immune to CDMA and TDMA cellular phones. These patented EMI filters are now available for sale in Europe. The filter involves placing a broadband coaxial feedthrough capacitor at the header where lead wires enter/exit the titanium pacemaker/ICD housing. Up to 70 dB of attenuation in provided in the 950 Mhz to 1 Ghz frequency range. Reference: U.S. Patent 5,333,095 (European patents pending)
August 17, 1996 - J. Beckman. Intercell Corporation is currently marketing a patent-pending cell phone antenna that is supposed to eliminate radiation. I wonder if this would be useful for patients with pacemakers.