Bone screw
The utility model discloses a bone screw which comprises a first screw body and a second screw body, a fixing base is arranged on the top of the first screw body, an installation threaded hole is formed in the fixing base, a plurality of locking holes are formed in the bottom of the installation thr...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a bone screw which comprises a first screw body and a second screw body, a fixing base is arranged on the top of the first screw body, an installation threaded hole is formed in the fixing base, a plurality of locking holes are formed in the bottom of the installation threaded hole, a connecting base is arranged at the bottom of a second thread, and an outer thread is arranged on the outer side of the connecting base. The connecting seat extends into the mounting threaded hole, a containing cavity is formed in the connecting seat, a plurality of extending holes are formed in the bottom of the containing cavity, an operation hole penetrating through the second screw and communicating with the containing cavity is formed in the second screw, an operation rod in sliding connection is arranged in the operation hole, and an operation block connected with the operation rod is arranged in the containing cavity; a plurality of locking columns are arranged at the bottom of the operation blo |
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