XIAMEN DOUBLE ENGINE MEDICAL MATERIAL CO., LTD
XIAMEN DOUBLE ENGINE MEDICAL MATERIAL CO., LTD Patent applications | ||
Patent application number | Title | Published |
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20130211464 | LOCK PIN TYPE CENTRAL NAIL DEVICE - 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 ( | 08-15-2013 |