Patent ID: 7987854

Claim:
Mandibular protrusion device comprising an upper dental tray ( 1 ) to be placed onto the upper dental arch of a patient, and a lower dental tray ( 2 ) to be placed onto the lower dental arch, as well as two lateral links apt to link the two trays ( 1 , 2 ) so as to advance or retract the lower dental arch during a vertical movement between the two dental arches, each lateral link comprising a means of traction ( 3 ) attached via its ends ( 3 a ) to the trays ( 1 , 2 ), characterized in that each lateral link comprises ball pivots ( 4 ) having an opening ( 4 a , 4 b ) apt to receive one end ( 3 a ) of a means of traction ( 3 ), and in that each tray ( 1 , 2 ) comprises two lateral seats ( 1 d , 2 d ) apt to accommodate one ball pivot ( 4 ) connected with a means of traction ( 3 ), in such a way that the lateral links may be connected with the trays ( 1 , 2 ) via a ball-and-socket joint.