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Receiving part for receiving a rod for coupling the rod to a bone anchoring element and a bone anchoring device
专利权人:
发明人:
申请号:
EP14157391.5
公开号:
EP2737864B1
申请日:
2010.12.10
申请国别(地区):
EP
年份:
2017
代理人:
摘要:
A receiving part for receiving a rod for coupling the rod to a bone anchoring element (1) is provided, the receiving part including a receiving part body (5, 5, 5") with a top end (9a) and a bottom end (17b), and a rod receiving portion (9) with a channel (12) for receiving the rod (100), and a head receiving portion (17) for accommodating a head (3) of the bone anchoring element, the head receiving portion having an open end (19, 17b) for introducing the head (3) and a locking ring (6, 6, 6") embracing the head receiving portion (17), wherein the head receiving portion comprises a plurality of flexible wall portions (17a) and wherein the flexible wall portions (17a) and the locking ring (6, 6, 6") are configured to engage each other at circumferentially distinct pressure areas (21, 21, 21 ") within the flexible wall sections (17a).
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