| 摘要 |
The invention provides an insert for receiving a bone screw. The insert includes a head portion and a body portion extending from the head portion and defined by a helically formed coil. The helically formed coil has an outer diametrical surface configured for engaging a bone and an inner diametrical surface configured for engaging a bone screw extended therethrough. The invention also provides a method of anchoring a bone screw in a bone. The method includes providing an insert for receiving a bone screw, implanting the insert within a bore formed in a bone, and driving a bone screw into the inner diametrical surface of the insert within the bore.
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