Lock pin type central nail device
AssigneeXiamen Double Engine Medical Material Co., Ltd
InventorsZhixiong Lin, Xigui Zhang
Life of this patent
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Abstract
A lock pin type central nail device has a hollow screw and a central nail, the external revolution surface of the hollow screw is provided with a first external thread segment, a central hole is arranged in the hollow screw in a axially penetrating manner, and the central nail is adaptively mounted into the central hole of the hollow screw, so that the hollow screw and the central nail (20) are mounted together.
Claims14
A lock pin type central nail device, wherein, it comprises a hollow screw and a central nail, the external revolution surface of the hollow screw is provided with a first external thread segment, a central hole is arranged in the hollow screw in a axially penetrating manner, and the central nail is adaptively mounted into the central hole of the hollow screw, so that the hollow screw and the central nail are mounted together.
Dependencies are inferred from the claim text.