I. The FITBONE Nail.
Magnetic lengthening Nail that is invented by Prof. Baumgart and Dr. Augustin Betz.
Manufactured and produced in Germany by Company name Wittenstein.
Website:
https://intens.wittenstein.de/en-en/company/fitbone-for-patients/In their website, they have a list of certified Doctor to implant FITBONE Nail.
The famous Doctor for FITBONE is Prof. Baumgart (One of the inventor of FITBONE)
http://www.beinverlaengerung.de/II. The BETZ Nail
Manual (clicker) lengthening Nail that is invented by Dr. Augustin Betz.
Manufactured in Germany.
The famous doctor, of course, is the Inventor himself, Dr. Augustin Betz.
CONTACT
BetzInstitute
Hermeskeiler Straße 11, 66687 Wadern
Sugery Center:
Diakonie Klinikum Neunkirchen
Brunnenstraße 20, D-66538 Neunkirchen
Germany
fon +49 (0) 68 71.92 18 70
fax +49 (0) 6871.92 19 07
mail info@betzinstitute.com
Website:
https://betzinstitute.com/Hope these info can help you...
Good luck.