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[Njsiulee]

As far as i know precice 2.2 is non weight bearing unless u r super duper slim. Dr. Palay will not let any precice patient walks. However, in all the precice nail video from livelifetaller in turkey, these patients actually walk with and or without assist. What is the trick behind it? Isnt it non-weight bearing?

[DanishViking]

It is. But Livelifetaller don't care about patient safety and safety guidelines, but loves to put a camera in there patients face instead.

[otaviognu]

what weight would the patient have to get a full weight-bearing from precise 2.2?

[Maison]

https://paleyinstitute.org/wp-content/uploads/Cosmetic-Stature-Lengthening-FAQs-1.pdf

The staff at LLT, looking at the table on page 8 of this document, seem to think that PRECICE has a strong weight-bearing capacity.

[DanishViking]

It's simply not possible no matter the weight pretty much. I whey only like 53 kg and I still wouldn't be able to weightbear while lengthening. But you can still stand without support longer down the road while lengthening, even tho it isn't adviced. If you repeatly ignore the restrictions the nail would mostly likely break inside of you, and you will have to pay twice. Personally i'm waiting for the new stryde nail to be released in Europe cuz Gnail/Betbone also has problems with people who have to stop early, because they can't lengthen / click.

[Maison]

what weight would the patient have to get a full weight-bearing from precise 2.2?

In Paley's comments (on page 18), it is as follows:

12.5mm=75lbs (34kg) on each leg　
10.7mm and 8.5mm=50lbs (23kgs) on each leg

This means that when a patient with 12.5mm is standing on two legs with two crutches on the ground, they can take up to 150lbs (68kg).
However, when walking and transferring load from one leg to the other,
a patient MUST USE TWO CRUTCHES on the ground and unweight themselves to the 75lbs (34kg) weight with each step.

[akali]

This is something I have been wondering about for a long time…

As far as I research, livelifetaller has devices with high tech and they using it while the patients are in lengthening process and I dont think paley has this kind of treatment in his rehab centre. also, another important point is %80 of paley's patients are children. he doesnt have the possibility to give the patient the chance to walk with weight bearing. and I think thats why he doesnt let his patient to walk

[Maison]

I think the product's strength has a safety buffer.
So, even if the weight goes over the 34kg limit, it doesn't mean the nail will instantly bend.
The team at LLT understands this from their experience and allows patients to bear more weight than what NUVASIVE's rules say.
From a commercial standpoint, permitting heavier loads can be more appealing to patients.

However, if weight bearing continues beyond the manufacturer's recommended limit for a prolonged period, there is a risk of the nail breaking due to metal fatigue.
U.S. surgeons probably wouldn't want to take that risk, maybe because they're worried about lawsuits.

[GoneGhost]

I spoke to the representative that came to explain the ERC to me, he's the guy that supplies the Precice to my doctor.

Even if you are light-weighted, he explained to me that the Precice was not conceived to be weight-bearing while walking. From his explanation and from my understanding, it's that the movement, pressure and weight caused by walking will bend/break the nail, or cause damage to its lengthening mechanism. It's as if you were holding a pencil with your two hands at each end, and applying pressure to the center with your thumbs. Plus, you're putting way more than half your weight when walking.

So you can't walk without assistance (crutches/walker) with the Precice. You can only walk without assistance when your doc says so, according to the X-Rays etc., so when your bones are almost completely healed.

If you're looking to walk sooner without assistance, the Precice Max is supposedly coming out this winter 2023 in the US. It will be supposedly weight-bearing, more resistant, and fixes some the weaknesses that the Precice had (in regards to breakage in rotation, bending, etc.).

[GoneGhost]

I forgot to add : the lengthened part of the Precice is weaker than the rest of the nail, it is more prone to bending/breakage. So the more you lengthen close to the 8 cm maximum, the weaker the nail becomes. That being said, it is important to wait for full consolidation before walking fully weight-bearing.

[DanishViking]

Hathaway But LiveLifeTaller says otherwise and that nothing bad will happen (sarcasm lol). If you believe anything that these turkish clown clinics says, your're a clown yourself...

[Charizard]

I forgot to add : the lengthened part of the Precice is weaker than the rest of the nail, it is more prone to bending/breakage. So the more you lengthen close to the 8 cm maximum, the weaker the nail becomes. That being said, it is important to wait for full consolidation before walking fully weight-bearing.

Totally right. Precice breaks 99% of the time from its lengthening mechanism inside the rod. So people has to be very careful because a slight wrong step or movement may cause it to break obviously.

[Maison]

For example, in this paper, four of 24 PRECICEs were broken, with diameters of either 8.5 or 10.7 mm.
https://www.injuryjournal.com/article/S0020-1383(21)00758-0/fulltext

Thus, if a patient follows a weight-loading strategy such as LLT, then 12.5mm nails should be used.
However, there is still a risk of nail breakage, and if I were to undergo the PRECICE procedure, I would not apply full weight bearing to the nail.