ANCHORING ELEMENT FOR USE IN SPINE OR BONE SURGERY, METHODS FOR USE AND PRODUCTION THEREOF
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United States of America Patent
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Issued Date -
N/A
app pub date -
Aug 15, 2013
filing date -
Mar 11, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A shaft for anchoring in a vertebra or bone section is connected to a receiving part which serves to connect to a rod having a pre-determined diameter (D). The receiving part provides a U-shaped recess, forming a channel for the reception of the rod, and two legs. The legs are free on their ends and have a thread that cooperates with a securing element to fix the rod in the receiving part. When inserted into the receiving part, the rod surface facing an end surface is at a pre-determined distance (A) in an axial direction from the end surface. The thread of the legs extends from the end surface a distance that is smaller than or equal to the pre-determined distance (A). Also, an undercut is provided adjacent to the thread whose edge farthest away from the thread is located at a distance (B) from the end surface.
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