An assembly tool for assembling a mandibular distraction device

Details An assembly tool for assembling a mandibular distraction device An assembly tool for assembling a mandibular distraction device

A - Human Necessities

61

B

A61B 17/60 (2006.01) A61B 17/66 (2006.01) A61C 7/02 (2006.01) A61C 7/10 (2006.01)

Patent

CA 2179588

Mandibular distraction osteogenesis can take place by performing corticotomy surgery at two points on opposite sides of the mandible and at the same time attaching an expansible distraction device to the teeth of the mandible on opposite sides of the two points of the corticotomy surgery. The device is then periodically expanded until a desired mandibular length is obtained. The device includes a plurality of bands that are fitted onto the teeth of the mandible and a number of universal expansion screws that are connected to the bands for purposes of distracting the mandible. This device can be assembled with an appropriate appliance assembly tool that precisely positions and aligns the universal expansion screws relative to the bands during assembly thereof.

L'ostéogenèse en distraction mandibulaire peut s'effectuer en exécutant une corticotomie en deux points sur les côtés opposés de la mandibule et en fixant en même temps un dispositif de distraction expansible aux dents de la mandibule sur les côtés opposés des deux points de la corticotomie. Le dispositif est alors périodiquement agrandi jusqu'à ce que la mandibule atteigne la longueur voulue. Le dispositif comporte une série de bagues qui sont placées sur les dents de la mandibule et un nombre de vis d'expansion universelles qui sont reliées aux bagues dans l'objectif d'obtenir la distraction de la mandibule. Il peut être assemblé au moyen d'un outil d'assemblage pour appareil, qui positionne et aligne avec précision les vis d'expansion universelles par rapport aux bagues pendant leur assemblage.

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