[AMRadio] Insulin Pump RFI?

Jim Isbell, W5JAI jim.isbell at gmail.com
Mon Feb 28 09:15:56 EST 2005

The whole thing is a moot point.

First, dont you think that if the pump was subject to interferance
that there would have been an ambulance sued by now?  The ambulance
uses RF to communicate with the hospital and his transmitter is

The signs that your cell phone might cause trouble in a hospital are
all BS.  The ambulance in the driveway has a much stronger signal. 
The antenna on the hospital roof has a stronger signal.

Its all a red herring to try to cut down on cell phones ringing in
doctors offices.

On Mon, 28 Feb 2005 06:12:35 -0600, Jim candela <jcandela at prodigy.net> wrote:
> I asked my brother, a diabetic, about radio interference to his insulin
> pump. He is a lawyer, and I hoped to get a legal answer to a hypothetical
> case where he went into insulin shock as a result of my being on the air
> waves:
> Question:
>  John,
>    A hypothetical case. Your my neighbor with a
>  insulin pump, and I am a federally licensed ham radio
>  operator. I am transmitting within the law on a
>  licensed frequency, running legal power, etc. Your
>  pump is susceptible to strong radio waves... One day I
>  am talking on the air, and while talking, a ambulance
>  takes you away. Seems your in insulin shock due to a
>  pump malfunction. Where is the law on this issue?
>  Jim
> Answer:
> Jim,
> You are a mad man.  Actually, from looking at the manual of this thing the
> more likely problem is from the pump interfering with other devices using
> radio frequencies.  The RFs on the pump are used to transmit readings from a
> glucose test meter to the pump.  The book says that interference will not
> affect the actual pump operation.  As to your question the manual says that
> the pump must comply with Part 15 of the FCC rules and it must accept any
> interference received.  That aside, if I survive in your scenario, look out!
> John
> Side note: If his insulin pump was creating interference, and causing me
> trouble receiving the Collins net this Wednesday, would it be appropriate to
> ask my brother to turn that darn thing off? :-)
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Jim Isbell
"If you are not living on the edge, well then, 
you are just taking up too much space."
UltraVan #257
CAL - 27   #221

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