A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 5/01 (2006.01) A61C 7/10 (2006.01) A61C 7/36 (2006.01) A61F 5/56 (2006.01)
Patent
CA 2181360
A mandible repositioning appliance formed by an upper bite block and a lower bite block interconnected by an adjustable mechanism including a posterior section connected to the rear portion of the upper bite block and an anterior section connected to the front portion of the lower bite block and an adjustable interconnection between the anterior and posterior sections. Preferably the adjustable interconnection will include a double thread element rotation of which changes the relative positions of the posterior and interior sections axially of the appliance and abutments to define each incremental rotation of the element. The comfort of the wearer is further improved by using a heat sensitive material in the tooth retention sections and by permitting limited relative lateral movement between the bite blocks.
L'invention concerne un appareil de repositionnement des mandibules. Cet appareil se compose d'un bourrelet supérieur (16) et d'un bourrelet inférieur (18) raccordés par un connecteur extensible (26) comprenant une section postérieure (28) raccordée à la partie arrière du bourrelet supérieur, et une section antérieure (38) raccordée à la partie avant du bourrelet inférieur et un raccordement ajustable entre les sections antérieure et postérieure. De préférence, le raccordement ajustable comprend un élément à double filetage (68, 72) dont la rotation change les positions relatives des sections postérieure et antérieure dans le sens axial de l'appareil. Ce raccordement comporte, également, des butées pour définir chaque rotation incrémentielle de l'élément. Le confort de l'utilisateur est, en outre, amélioré par l'utilisation d'un matériau thermosensible dans les sections de rétention des dents et en permettant un déplacement latéral relatif limité entre les bourrelets.
Rowley C.a.
The University Of British Columbia
LandOfFree
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