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1. (WO2018144386) IMPLANTABLE BONE ADJUSTMENT DEVICES

Pub. No.:    WO/2018/144386    International Application No.:    PCT/US2018/015731
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Tue Jan 30 00:59:59 CET 2018
IPC: A61B 17/72
Applicants: SMITH & NEPHEW, INC.
Inventors: JANDA, Haden
BELL, Paul
FARLEY, Daniel
JANNA, Sied, W.
Title: IMPLANTABLE BONE ADJUSTMENT DEVICES
Abstract:
A reconfigurable bone adjustment device (1, 101, 201) includes a first member (10,110, 210, 1010) configured for attachment to a first bone fragment, a second member (20, 130, 230, 1030) configured for attachment to a second bone fragment and a reconfiguration assembly (2, 102, 401, 501, 601, 701, 801, 901, 1020) configured to move the second member relative to the first member. The reconfiguration assembly includes a drive mechanism (50, 150, 250, 440, 540, 640, 740, 840, 940, 1050) and a threaded rod (70, 170, 245, 470, 570, 670, 770, 870, 970, 1070, 1170) operatively coupled to the drive mechanism so that rotation of the drive mechanism rotates the threaded rod. The reconfiguration assembly operates to reduces stresses, forces, bending moments and/or eccentric moments on a junction and/or by configuring the junction in a manner whereby one of more of the forces, is isolated away from the junction.