Orthognathic implant and methods of use
First Claim
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1. An implant configured to fix at least a first mandibular bone part relative to a second mandibular bone part that is separated from the first mandibular bone part by a bone gap, the implant comprising:
- a plate member including a pre-operatively bent body having a shape corresponding to a post-operative shape of a mandible when aligned with the mandible, the plate member defining at least one fixation aperture that extends through the pre-operatively bent body and is configured to receive a bone fixation element so as to secure the plate member to the mandible; and
at least one guide coupled to the plate member, the at least one guide pre-operatively configured to align the plate member with the mandible when the implant is positioned against the mandible after the mandible has been separated so as to define the bone gap, the at least one guide including a pusher that is movable relative to the plate member such that the pusher is configured to abut a bottom of the mandible so as to align the plate member with the mandible when the implant is positioned against the mandible after the mandible has been separated into at least the first and second mandibular bone parts.
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Abstract
An implant for use in orthognathic surgery of a mandible may include a longitudinal plate member and a plurality of pre-configured guides coupled to the plate member. The longitudinal plate member is pre-bent to correspond to the post-operative shape of the mandible; and the guides are pre-configured to align the plate member with the mandible when the implant is positioned against the mandible after the mandible has been separated.
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Citations
18 Claims
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1. An implant configured to fix at least a first mandibular bone part relative to a second mandibular bone part that is separated from the first mandibular bone part by a bone gap, the implant comprising:
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a plate member including a pre-operatively bent body having a shape corresponding to a post-operative shape of a mandible when aligned with the mandible, the plate member defining at least one fixation aperture that extends through the pre-operatively bent body and is configured to receive a bone fixation element so as to secure the plate member to the mandible; and at least one guide coupled to the plate member, the at least one guide pre-operatively configured to align the plate member with the mandible when the implant is positioned against the mandible after the mandible has been separated so as to define the bone gap, the at least one guide including a pusher that is movable relative to the plate member such that the pusher is configured to abut a bottom of the mandible so as to align the plate member with the mandible when the implant is positioned against the mandible after the mandible has been separated into at least the first and second mandibular bone parts. - View Dependent Claims (2, 3, 4, 5, 7, 8, 9, 10, 11, 12)
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6. The implant of clam 1, wherein the at least one guide includes a guide body, and a fixation element aperture that extends through the guide body, the fixation element aperture configured to receive a fixation element to temporarily couple the guide to the plate member.
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13. An implant configured to fix at least a first mandibular bone part relative to a second mandibular bone part that is separated from the first mandibular bone part by a bone gap, the implant comprising:
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a plate member including a pre-operatively bent body having a shape corresponding to a post-operative shape of a mandible when aligned with the mandible, the plate member defining at least one fixation aperture that extends through the pre-operatively bent body and is configured to receive a bone fixation element so as to secure the plate member to the mandible; and at least one guide coupled to the plate member, the at least one guide pre-operatively configured to align the plate member with the mandible when the implant is positioned against the mandible after the mandible has been separated so as to define the bone gap, wherein the at least one guide includes a guide body, a pusher aperture that extends transversely through the guide body, and a pusher that is disposed within the pusher aperture, the pusher configured to abut a bottom of the mandible so as to align the plate member with the mandible when the implant is positioned against the mandible after the mandible has been separated into at least the first and second mandibular bone parts. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification