| 摘要 |
Orthopedic constructs having parts that are movable with respect to each other and one or more friction members to limit unintended movement are disclosed. In one embodiment, a multi-axial bone anchor having a receiver member and a screw-type anchor is provided. The receiver member includes one or more internal apertures in which a friction member is placed, and a portion of the anchor contacts or is loosely held by the friction member(s).
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