Patent ID: 8603143
Filing Date: 2013-12-10
Classification: A61B

Abstract:
1. An implantable device for fixation of spinous processes, comprising: a first plate having a first surface and defining an aperture, wherein the first plate further comprises a split ring collar positioned at least partially within the aperture and a moveable flange configured to engage the split ring collar; a second plate, spaced therefrom the first plate having a second surface facing the first surface, the second plate defining an aperture, wherein the second plate further comprises a second split ring collar positioned at least partially within the aperture and a second moveable flange configured to engage the second split ring collar; and a post configured to selectively pass through the split ring collar positioned within the aperture in the first plate and the second split ring collar positioned within the aperture in the second plate and connect the first plate to the second plate, wherein the connections of the first plate and the second plate to the post permit the first and second plates to move polyaxially with respect to one another and to translate along a longitudinal length of the post; wherein the first and second plates each comprise a set screw in communication with each moveable flange in the respective aperture, the set screw configured to move a portion of the respective moveable flange into engagement with a portion of the split ring collar to fix the position and orientation of the respective first and second plate to the post.