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Setting off store alarms

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herbert

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Sep 11, 2009
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My knee sets off the magnetic detectors in retail stores. Zimmer says there is no magnetic metal in the knee but it has received a call from someone else with a similar complaint. There may be more people with this problem, we should group so that we can be demagnetized at company expense.
 
This is interesting because most of the theft detectors in stores are not really metal detectors but RFID dectors, so they are tuned to a particular kind of chip which is attached to that which is being protected. So I would bet somewhere on your person you have a chip (which might be sewn in) which was not deactivated correctly so you are carrying around this thing which may only effect one particular kind of store (e.g. Target)
 
I too have a Zimmer knee. When I start going shopping again, if I begin set off store alarms, I will let everyone know and those of us with the same problem can then contact Zimmer for a remedy.
Lubbock58
 
I set off all store alarms both coming and going into any store that has them. I assume they must be triggered by metal or something in my knees or hips (both hips resurfaced, both knees TKR'd) but have never known why alarms ALWAYS go off.

I'm surprised no employee has even looked twice as those major alarms go off. You'd think they would check to see if I stole something.

Hollie
 
Interesting. I have two Zimmer knees and so far I haven't set off any alarms. I do have an urge to go to the local Federal Building to check out the metal detector. Or I could wait until I have to go through airport security.

I would also think the problem is with something else on the person causing the alarm to sound.
 
There's a Zimmer Company that's about 45 minutes from me and I have a friend that works there. He said there is nothing in the knee replacements that would allow the alarms at stores to go off. Like edk said they are not to detect metal but a chip. That's why when you scan an item they also run it across the plate. If it were to detect metal, those alarms would go off all the time I think.
 
Yep it has to be something else that sets it off. They are not metal detectors They detect a coding on chips
 
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