- 专利标题: Methods and devices for polyaxial screw alignment
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申请号: US14961065申请日: 2015-12-07
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公开(公告)号: US09999448B2公开(公告)日: 2018-06-19
- 发明人: Shawn D. Stad
- 申请人: DePuy Synthes Products, Inc.
- 申请人地址: US MA Raynham
- 专利权人: DePuy Synthes Products, Inc.
- 当前专利权人: DePuy Synthes Products, Inc.
- 当前专利权人地址: US MA Raynham
- 代理机构: Nutter McClennen & Fish LLP
- 主分类号: A61B17/70
- IPC分类号: A61B17/70 ; A61B17/00 ; A61B19/00
摘要:
Devices and methods for aligning the components of polyaxial screws are described herein. In one embodiment, an alignment instrument includes an elongate frame having a longitudinal axis and a plurality of connection caps slidably disposed along the elongate frame. Each connection cap can removably couple to a polyaxial screw extension tube and selectively lock relative to the elongate frame such that a distance between the plurality of connection caps and an angular orientation of each connection cap relative to the elongate frame is maintained. The instrument can also include a transverse angle indicator to indicate an angular orientation of the elongate frame in a plane transverse to the longitudinal axis of the elongate frame. The device can, for example, capture the orientation of a plurality of polyaxial screws during spinal surgery such that the screws can be returned to the same orientation after manipulation to correct a spinal deformity, etc.
公开/授权文献
- US20160095631A1 METHODS AND DEVICES FOR POLYAXIAL SCREW ALIGNMENT 公开/授权日:2016-04-07
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