Patent ID: 8807996
Filing Date: 2014-08-19
Classification: A61C

Abstract:
1. An orthodontic fixing device, comprising: a screw, said screw including an operating head with a longitudinal slot for receiving at least one orthodontic device, said screw also including a threaded shaft suitable for screwing into an oral cavity, said operating head including a recess; and a shaped body, coupled inside a said recess and rotatable in said recess, said shaped body including a through hole for the insertion of one of said at least one orthodontic device, said shaped body also including a shaped slot for retaining said one of said at least one orthodontic device inside said operating head when said shaped body is rotated inside said recess after inserting said one of said at least one orthodontic device in said through hole and in said longitudinal slot, said shaped slot including two opposing surfaces; wherein said shaped slot is located inside said shaped body and is in communication with said at least one through hole, said shaped slot lying on a plane substantially orthogonal to the longitudinal axis of said screw; and wherein one of said two opposing surfaces is inclined relative to the other surface of the two opposing surfaces, defining between said two opposing surfaces a profile for said shaped slot that converges towards a bottom of said slot, said bottom being defined between said two opposing surfaces, said two opposing surfaces being capable of retaining said one of said at least one orthodontic device inside said operating head by each contacting said at least one orthodontic device when said shaped body is rotated inside said recess.