Bone jointer and a bone jointer fixing tool

Details Bone jointer and a bone jointer fixing tool Bone jointer and a bone jointer fixing tool

1999-05-13

2000-10-31

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

606 65, A61B 1758

Patent

active

061395528

ABSTRACT:
A bone jointer comprising a lag screw, a tube placed along the jointed bone and provided with a receiving part, a tube between the lag screw and the tube plate provided with a head to be movably engaged with the receiving part, a set screw engaged with the tube, a compression screw penetrating inside the set screw and engaged with the lag screw thereby the lag screw and the bone are drew toward the other bone, and a washer between the set screw and the receiving part, rotating during engagement of the set screw with the head, until the washer stops at a stablest position.
Further, a bone jointer fixing tool comprising a plate provided with a receiving part having a penetration hole, a screw having a shaft and a head in slidable contact with the penetration hole of the receiving part and also having another penetration hole for drilling, a washer in slidable contact with the penetration hole of the receiving part, and a fastening part engaged with the screw and having a penetration hole for drilling, wherein, while the screw is engaged with the fastening part in arbitrary direction, the washer rotates and stops at the stablest position, thereby the screw and the fastening part are engaged with each other by maintaining the arbitrary direction.

REFERENCES:
patent: 5797913 (1998-08-01), Dambreville et al.
patent: 5871485 (1999-02-01), Rao et al.

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