Invention Grant
- Patent Title: Bone anchoring device
- Patent Title (中): 骨锚固装置
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Application No.: US13314085Application Date: 2011-12-07
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Publication No.: US09277941B2Publication Date: 2016-03-08
- Inventor: Lutz Biedermann , Wilfried Matthis , Berthold Dannecker
- Applicant: Lutz Biedermann , Wilfried Matthis , Berthold Dannecker
- Applicant Address: DE Donaueschingen
- Assignee: Biedermann Technologies GmbH & Co. KG
- Current Assignee: Biedermann Technologies GmbH & Co. KG
- Current Assignee Address: DE Donaueschingen
- Agency: Lewis Roca Rothgerber Christie LLP
- Priority: EP10194601 20101210
- Main IPC: A61B17/70
- IPC: A61B17/70

Abstract:
A bone anchoring device includes a bone anchoring element including a shaft and a head, a receiving part for coupling a rod to the bone anchoring element, the receiving part including a rod receiving portion having a channel with a bottom for receiving a rod, and a head receiving portion to allow introduction and clamping of the head, and a locking ring including at least one projection, wherein the rod receiving portion has at least one cutout, wherein when the head is not locked, the projection is configured to extend through the cutout and into the channel, and wherein a first engagement portion is provided on the locking ring for engaging a second engagement portion at an inner wall of the cutout to hold the locking ring in a first position where the head is pivotable in the head receiving portion but is prevented from removal therefrom.
Public/Granted literature
- US20120172932A1 BONE ANCHORING DEVICE Public/Granted day:2012-07-05
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