发明名称 DYNAMIC BONE ANCHOR AND METHOD OF MANUFACTURING THE SAME
摘要 A dynamic bone anchor is provided comprising an anchor member (1, 1′, 1″) having a first end (11) and a second end (12) and a tubular section (13) between the first end and the second end, a longitudinal axis (L) extending from the first end to the second end, an outer surface and a bone engagement structure (14) for engaging the bone in at least a portion of the outer surface; anda longitudinal core member (2, 2′, 2″, 2″′) being at least partially provided in the tubular section (13) and being connected to the anchor member at a second portion (22a) of the core member and having a first portion (21a) that is not connected to the anchor member and that is movable with respect to the anchor member, characterized in that the core member is made at least partially of a first material that comprises a Ni—Ti based shape memory alloy, preferably the first material is Nitinol.
申请公布号 US2014172027(A1) 申请公布日期 2014.06.19
申请号 US201314098434 申请日期 2013.12.05
申请人 Biedermann Technologies GmbH & Co. KG 发明人 Biedermann Lutz;Matthis Wilfried
分类号 A61B17/84;A61B17/86 主分类号 A61B17/84
代理机构 代理人
主权项 1. Dynamic bone anchor comprising an anchor member having a first end and a second end and a tubular section between the first end and the second end, a longitudinal axis extending from the first end to the second end, an outer surface and a bone engagement structure for engaging the bone in at least a portion of the outer surface; and a longitudinal core member being at least partially provided in the tubular section and being connected to the anchor member at a second portion of the core member and having a first portion that is not connected to the anchor member and that is movable with respect to the anchor member, characterized in that the core member is made at least partially of a first material that comprises a Ni—Ti based shape memory alloy.
地址 Donaueschingen DE