| US 7,488,321 B2 | ||
| Bone fixation device | ||
| Chih-I Lin, Taipei (Taiwan) | ||
| Assigned to A-Spine Holding Group Corp., Tortola (Virgin Islands (British)) | ||
| Filed on Oct. 12, 2004, as Appl. No. 10/961,026. | ||
| Claims priority of application No. 93114307 A (TW), filed on May 20, 2004. | ||
| Prior Publication US 2005/0261689 A1, Nov. 24, 2005 | ||
| Int. Cl. A61B 17/56 (2006.01) | ||
| U.S. Cl. 606—71 | 3 Claims |
| 1. A bone fixation device comprising:
a bone plate having a plurality of through holes; and
one or a plurality of bone screws;
wherein the bone fixation device is characterized by a slide track formed on a surface of the bone plate, and the bone plate
further comprises one or a plurality of sliding covers having a plurality of hook tracks and side pieces, the hook tracks
slidably covering the slide track, and the side pieces capable of covering the through holes,
wherein the slide track is an elongated raised track strip having two concave sides, and the two concave sides further comprise
a plurality of fixed sunken spots, and
wherein the hook tracks are two square U-shaped side walls facing each other, and have a plurality of fixed raised spots so
that when the hook tracks slidably cover the slide track the plurality of fixed raised spots moveably engage with the plurality
of fixed sunken spots.
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