CPC A61B 17/8038 (2013.01) [A61B 17/8047 (2013.01); A61B 17/8057 (2013.01); A61B 17/8605 (2013.01); A61B 17/8685 (2013.01)] | 20 Claims |
1. A spinal system comprising:
an implant comprising an aperture for receiving a fastener therethrough;
a fastener into the aperture, wherein the fastener comprises:
a head portion including one or more resilient tabs; and
an anchor portion, wherein the anchor portion is insertable into a bone member; and
an insert configured to be inserted and rotated into an opening of the head portion of the fastener, wherein the insert includes a non-threaded portion with an enlarged diameter at a proximal end and a threaded portion at a distal end, the diameter of threading in the threaded portion varying between a leading end and a trailing end,
wherein the head is configured to have a resting maximum dimension allowing for entry into the aperture and an expanded maximum dimension securing the head portion in the aperture, and
wherein the insert is configured to engage the head in an interference fit to expand the one or more resilient tabs in the expanded maximum dimension.
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