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Current or voltage retention


David

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Do Flex electrode arrays or Synchrony implants retain current and/or voltage after a Sonnet 1 processor is removed? If so, how long does it take for total discharge?

Thank you.

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@David The Synchrony 2 has a capacitor per electrode channel so each electrode is discharged after firing. With over 50K pulses per second I don't think you are fast enough to take it off an electrode discharges but if you were that fast you would only have stored potential on one electrode. I don't know about the Synchrony 1 implant but I'm sure Med-El can help with the technical specs. 

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@Anthony Canada@Mary Beth

Thanks for your replies, and Happy Holidays.

I understood the electrode capacitance technology before receiving my bilateral implants (2015 and 2017).

I'm trying to specifically determine if it is possible for trace current or voltage to be retained after removing the processor, and this information is not available on Med-El's Pro site. I'll followup with my clinic, have them contact Med-El, and post updates I receive.

Edited by David
Change 2005 TO 2015
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@John Schulz

One of several possibilities I discussed with the surgeon who performed several procedures for unresolved debilitating pain since having my 2017 implant procedure.

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Where is the pain located? I don't think the hypothesis of the pain being caused by stored charge in an electrode capacitor has much merit.  Our nerves are not particularly good conductors of electricity and capacitors naturally drain due to internal resistance. If there somehow was a voltage differential that was causing the pain, it could only last for a second at the absolute most? More likely in the order of milliseconds. I would be very surprised if this was the source of it.

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  • HearPeers Heroes

@David

I read a report from a user who had a reaction to the titanium implant and had to have it replaced with an older model that is ceramic.  Just sharing in case this is something you wish to discuss with your surgeon.  Sorry to hear of your pain.

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  • HearPeers Heroes

@David

you are welcome.  The only other issue I have read about is an infection on the internal component.  Some kind of biofilm.  That is only confirmed via a biopsy swap taken from the internal.  Sometimes that can be treated with strong antibiotics once the type of infection is known.

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@Mary Beth

Issues following my 2017 implant procedure were surgical and remain unresolved, despite three additional procedures performed by a different top-notch surgeon with an outstanding reputation. The specifics shouldn't be presented in this type of forum, however let me emphasize none of the issues were related to Med-El's products, and their support has been exemplary.

Best wishes for a happy new year, and many thanks for your feedback.

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