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Author Topic: Question about user controlled PRECICE  (Read 554 times)

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theshortman11

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Question about user controlled PRECICE
« on: September 08, 2023, 03:10:42 PM »
What are the chances that the device malfunctions and extends more than it should or doesn't stop extending? Is there a programmed limit inside the device to prevent this or the user from extending past a certain limit in a time frame?
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m4rked0ne

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Re: Question about user controlled PRECICE
« Reply #1 on: September 08, 2023, 08:00:21 PM »
That sort of a limit is configurable. Like a daily limit. The problem is what if the device thinks it is not extending but it actually is. A friend did encounter this and solved it by timing the lengthening sessions and going with that time rather than what the device says. But it is rare
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GrowGrow123

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Re: Question about user controlled PRECICE
« Reply #2 on: September 08, 2023, 09:10:03 PM »
The Precice nail only goes up to 8cm (well technically 8.3cm if you unlock the ERC machine).

I didn't know how much I had lengthened so I just kept lengthening. Eventually, once you hit the end of the nail, it will make weird popping noises. At that point, you know that you can stop lol.
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Mockups at www.limblengthener.com

5' 9.5" -> 6' 0.5" after Precise 2.2 Femurs in 2023

Hagane

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Re: Question about user controlled PRECICE
« Reply #3 on: September 11, 2023, 05:10:53 PM »
prior to nail insertion into the canal they test nail in the operating theater to make sure there are no issues with lengthening to the full 8 and it stoping
after that as others have mentioned there are daily limits and session limits placed on the erc
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Bilateral tibia lengthening with Dr Gdalevitch 02/2023
starting height approx 167cm ( morning height)
gained  55.55mm
End height approx just shy of 5 foot 8 ( morning height)

Maison

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Re: Question about user controlled PRECICE
« Reply #4 on: September 12, 2023, 01:33:19 AM »
https://www.hindawi.com/journals/bmri/2017/8032510/
https://ibb.co/PCQycHX
https://ibb.co/cD7mV4G

According to Lee-Dong Hoon's paper, the maximum error for lengthening of about 5 cm with PRECICE2 was 3 mm.
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guy_incognito

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Re: Question about user controlled PRECICE
« Reply #5 on: September 15, 2023, 03:20:36 PM »
Your doc should test the device before the surgery. Afterwards, you can validate those claims with rentgen pics. Alas if something is wrong, another surgery is required.
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