Patent 9474612 was granted and assigned to Synoste Oy on October, 2016 by the United States Patent and Trademark Office.
The invention relates to an implantable device fixed or interlinked to bone, which generates unidirectional movement by a member generating reciprocating motion in the same direction using means allowing unidirectional movement. In the device, the means allowing unidirectional movement comprise means based on friction which make line contact.