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公开(公告)号:US10898232B2
公开(公告)日:2021-01-26
申请号:US15926069
申请日:2018-03-20
发明人: Kevin Lee , Mark Hall , Christopher Ramsay , John Riley Hawkins , Albert Montello , Joseph Peterson , Benjamin Johnston , Heiko Koller , Todd Albert , Christopher Ames , Bradford Currier , Claudius Thome , Masashi Neo
摘要: Bone anchor assemblies are disclosed herein that can provide for improved fixation as compared with traditional bone anchor assemblies. An exemplary assembly can include a bracket or wing that extends down from the receiver member. The distal portion of the wing can define a bone anchor opening through which one or more auxiliary bone anchors can be disposed to augment the fixation of the assembly's primary bone anchor. A distal surface of the distal portion of the wing can be obliquely angled relative to a proximal-distal axis of the spanning portion to face one of a caudal direction or a cephalad direction. A distal surface of the distal portion of the wing can be obliquely angled relative to the proximal-distal axis of the spanning portion to face one of a medial direction or a lateral direction. Surgical methods using the bone anchor assemblies described herein are also disclosed.
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公开(公告)号:US20240293156A1
公开(公告)日:2024-09-05
申请号:US18647938
申请日:2024-04-26
CPC分类号: A61B17/7044 , A61B5/4851 , A61B17/7037 , A61B17/7058 , A61F2/60 , A61F5/0123 , A61F5/0127 , A61F5/02 , A61F5/3738 , G01B7/24 , G16H40/63 , A61F2220/0008 , A61F2250/0096
摘要: Bone anchor assemblies and related methods are disclosed herein that can provide for improved fixation of a primary bone anchor. A bone anchor assembly can include a wing with a distal portion that can define a plurality of auxiliary bone anchor openings. Each auxiliary bone anchor opening can receive an auxiliary bone anchor that can augment fixation of a primary bone anchor of the bone anchor assembly. The plurality of auxiliary bone anchor openings can be oriented such that, when the wing is coupled to a primary bone anchor assembly of a vertebral level in a first configuration, at least one auxiliary bone anchor can be driven to extend across a facet plane of the vertebral level and, when coupled in a second configuration, each auxiliary bone anchor received within the wing can be driven to conform to the vertebral level.
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