Craniofacial external distraction apparatus
First Claim
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1. A craniofacial external distraction apparatus comprising:
- a stationary member configured to be affixed to a head of a patient and having a halo portion, the stationary member configured to be affixed to a first lateral side of the head via a first fixation and to a second lateral side of the head via a second fixation, the halo portion configured to be operatively coupled to the first fixation and the second fixation and traversing therebetween via a front side of the head and superior to eyes of the patient;
a first upright body configured to be coupled to the stationary member adjacent to the first lateral side of the head, the first upright body inferior to the stationary member;
a second upright body configured to be coupled to the stationary member adjacent to the second lateral side of the head, the second upright body inferior to the stationary member;
a first arm member coupled to the first upright body, the first arm member extending anteriorly; and
a second arm member coupled to the second upright body, the second arm member extending anteriorly, wherein;
the first arm member includes an anterior portion and a posterior portion,the anterior portion is pivotally coupled to the posterior portion via a pivot, andthe pivot is a harmonic drive assembly.
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Abstract
An external distraction apparatus for performing a craniofacial distraction is disclosed. The external distraction apparatus may comprise a stationary member. The stationary member may be configured to be affixed to a head of a patient. The external distraction apparatus may also comprise laterally disposed distractors. The laterally disposed distractors may extend inferiorly from the stationary member and be moveable relative to the stationary member. The external distraction apparatus may comprise a motor and controller. The motor may be powered with the controller to perform a craniofacial distraction in an automated fashion.
120 Citations
8 Claims
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1. A craniofacial external distraction apparatus comprising:
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a stationary member configured to be affixed to a head of a patient and having a halo portion, the stationary member configured to be affixed to a first lateral side of the head via a first fixation and to a second lateral side of the head via a second fixation, the halo portion configured to be operatively coupled to the first fixation and the second fixation and traversing therebetween via a front side of the head and superior to eyes of the patient; a first upright body configured to be coupled to the stationary member adjacent to the first lateral side of the head, the first upright body inferior to the stationary member; a second upright body configured to be coupled to the stationary member adjacent to the second lateral side of the head, the second upright body inferior to the stationary member; a first arm member coupled to the first upright body, the first arm member extending anteriorly; and a second arm member coupled to the second upright body, the second arm member extending anteriorly, wherein; the first arm member includes an anterior portion and a posterior portion, the anterior portion is pivotally coupled to the posterior portion via a pivot, and the pivot is a harmonic drive assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification