The patent protects the class II chin cup appliances equipped with a fixed adjustment system(or also a mobile one which is being studied and is included in the same patent). N°97 03791(publication number:2 760 964) LEGALLOIS patent selling concerning the adjustment system for the class II chin cup appliances and mini chin cup appliances exploited by ORTHO-LAB'.

The system enables:
   to avoid the patient's chin and upper arch impression performed by the practitioner which means two advantages, a less constraining medical for the latter and a less tedious one for the former.
   to save about 10 to 15 minutes per medical.
   at the labotary, to spare the shapping of a made-to-measure chin cup appliance according to the chin impression thus involving no need a new medical for the class II chin cup appliance fixing.
   to fasten immediatelly and rapidly - as soon as the case arises - the class II chin cup appliance kit with its fixed adjustment system. The time needed to place the device takes about 10 to 20 minutes during a single medical.
   to offer low crowding and so to be easily accepted by patients, whether children or adults.
   to be manufactured.
   to comply with the new standards in force: all stainless steel appliance with laser or "plasma" soldering, bio-compatible thermoplastic chin cup.