There are currently two internal lengthening nails in development and/or awaiting FDA & CE approval that are made from Cobalt Chrome/Cobalt Chromium. The first is from an American company NuVasive, they acquired Ellipse Technologies the manufacturer of PRECICE, and the second is SYNOSTE, a combined Finnish & German company.
The most anticipated benefit of an internal limb lengthening nail made from Cobalt Chrome/Cobalt Chromium is the immense strength of the material, which would allow nearly all limb lengthening patients to be fully weight bearing during their lengthening and recovery.
This is an interesting topic for discussion as nothing is perfect in life, and while there are many benefits, there are some drawbacks to using Cobalt Chrome/Cobalt Chromium.
This development does make for a good discussion on the topic of price speculation as well. There are now two companies that are going to potentially compete with each other using a similar product. Typically competition drives down prices and increases quality for the consumer. The lengthening nails are almost always the most expensive portion of the procedure.
For those of us who have been following limb lengthening since the days of the old forum, it's quite amazing to see the progress in terms of technology, quality of the nail and surgeons offering cosmetic limb lengthening, as well as the reduction in pricing. Dr. Birkholtz & Dr. Parihar are prime examples of these positive developments.
NuVasive: http://www.nuvasive.com/
Ellipse Technoliges: http://ellipse-tech.com/
SYNOSTE: http://synoste.com/
Cobalt Chrome/Cobalt Chromium- PRECICE & SYNOSTE
Also, can you imagine the crazy cost those nails Will have?
Quote from: musicmaker on February 09, 2017, 07:26:36 PMI'm quite skeptical about the approval of these new nails by the FDA. Cobalt and Chrome are well known for liberating in human blood ions able of exerting toxicity and causing cancer.
That's one of the reasons why metal-on-metal hip implants are not being offered anymore (http://www.metalhipcenter.com/diagnoses/cobalt-toxicity/)
It's not only about cobalt, but also about chrome: https://www.atsdr.cdc.gov/csem/csem.asp?csem=10&po=10
Millionaire lawsuits have been filed against the manufacturers of those metal-on-metal implants: https://www.mctlawyers.com/joint-replacement/depuy-asr/cobalt-chromium-poisoning/
In short, I don't think early weightbearing is worth the risk of developing cancer in the long term.
Oh lord....The links you posted are blood sukking personal injury lawyers who will tell you that breathing air and drinking water causes cancer so you better sign up with their law firm so they can get you those millions before you die. There is a huge difference between a single nail that is in your bone for lengthening and taken out after a year and what you posted which is about metal on metal hip implants. Those are rubbing together all day everyday for years and years and years. Causing tremendous amounts of friction which for some small amount of people might lead to corrosion of the metal that might lead to that metal being released into your body and that might cause some even smaller amount of people some health problems and maybe one out of every ten thousand of those even smaller amount of people will get sick.
The odds that any lengthening nail in your tibia's or femur's whether it's cobalt or titanium or stainless steel for a year or so will cause you cancer is practically zero.
Quote from: Rod Thick on February 09, 2017, 09:59:32 PMOh lord....The links you posted are blood sukking personal injury lawyers who will tell you that breathing air and drinking water causes cancer so you better sign up with their law firm so they can get you those millions before you die. There is a huge difference between a single nail that is in your bone for lengthening and taken out after a year and what you posted which is about metal on metal hip implants. Those are rubbing together all day everyday for years and years and years. Causing tremendous amounts of friction which might lead to corrosion of the metal that might lead to that metal being released into your body and that might cause you health problems.
The idea that a cobalt chrome nail in your tibia's or femur's for a year or so will cause you cancer is just ridiculous!
your assumption that having a supposed cancer inducing nail in your body "only" for a year has no stochastic effects is utterly stupid for the simple fact that you dont know. Dont talk about stuff you don't know about. And surely, don't call stuff you have no idea about stupid.
Quote from: TIBIKE200 on February 09, 2017, 10:04:38 PMyour assumption that having a supposed cancer inducing nail in your body "only" for a year has no stochastic effects is utterly stupid for the simple fact that you dont know. Dont talk about stuff you don't know about. And surely, don't call stuff you have no idea about stupid.
Cancer inducing nail 
Oh ok. You read some personal injury lawyers website and now YOU call cobalt chrome cancer inducing.
Thanks for the information and calling me stupid. You seem very intelligent.
Tibike200
Don't let anyone you know put titanium in their body for any reason cause titanium now causes cancer. How do i know this? I read it on the internet so it must be true.
This creates quite a dilemma since practically all nails for LON and LATN are titanium. Precice is titanium. The nails nearly every orthopedic surgeon in the world puts in patients who break their bones are titanium or cobalt chrome. I bet all of those people have cancer by now. So lets see, every person in the world who has ever broken a bone and has a nail or screw or plate or people with tooth fillings or people who have ever used toothpaste now have cancer. Yes, toothpaste has titanium. Toothpaste also has fluoride which is put into the water supply to allow the government to control your mind. I read that on the internet too so you know that's a scientific fact.
I just Googled "titanium implants cause cancer" and got 500,000 hits in 0.64 seconds.
That's it everybody, don't get limb lengthening or else you will get cancer. Let's all thank Tibike200 and Musicmaker for bringing this to our attention. It's time we all moved on now and just accepted our height. It's better to be short than dead or dying from cancer.
While the concerns of the type of metal used are not to be ignored, I can only think of the monumental benefits of a patient being able to be weight bearing immediately after surgery. Not only will this make life much easier post lengthening, it will aid in rehabilitation and recovery and limit atrophy which I personally believe is a major issue in regards to mobility, gait and recovery after surgery.
It's an undeniable fact that everyone who gets leg lengthening will die someday.
Quote from: KiloKAHN on February 10, 2017, 10:00:57 PMIt's an undeniable fact that everyone who gets leg lengthening will die someday.
I do believe that risks ought to be minimal where possible, but how much of a threat a temporary nail poses realistically in contrast to the undeniable benefits of immediate weight bearing may make the decision a no-brainer.
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