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1. (WO2017195307) BONE PLATE AND BONE PLATE SYSTEM

Pub. No.:    WO/2017/195307    International Application No.:    PCT/JP2016/064069
Publication Date: Fri Nov 17 00:59:59 CET 2017 International Filing Date: Thu May 12 01:59:59 CEST 2016
IPC: A61B 17/80
Applicants: OLYMPUS TERUMO BIOMATERIALS CORP.
オリンパステルモバイオマテリアル株式会社
Inventors: KURODA, Koichi
黒田 宏一
URATA, Mitsuya
浦田 光也
Title: BONE PLATE AND BONE PLATE SYSTEM
Abstract:
In order to improve the fixability and stability of a bone plate 1 with respect to a tibia, this bone plate comprises: a body part 1a that has a band shape and is fixed along the longitudinal direction of a tibia X at the inner side surface of the tibia X which is at a position lower than the tibia notch; a transverse part 1b that is fixed along a direction intersecting the longitudinal direction of the tibia at a position higher than the notch; a connection part 1c that connects the body part 1a and the transverse part 1b; and a plurality of screw holes 5, 6, 7 that are mutually spaced apart and penetrate in the plate thickness direction into the body part 1a, the transverse part 1b, and the connection part 1c. The body part 1a, the connection part 1c, and the transverse part 1b have a curved shape that is twisted around the longitudinal-direction axis of the tibia X. A first plane α on which the axis of the screw hole 7 of the connection part 1c is disposed and a second plane β on which the axis of the screw hole 5a of the body part 1a is disposed are substantially parallel with respect to each other. An angle formed by a straight line connecting the longitudinal-direction top end and bottom end of the bone plate 1 and the first plane α or the second plane β is a prescribed angle. An axis A and an axis B are set to be a twist position.