Bone jointer and a bone jointer fixing tool
First Claim
1. A bone jointer comprising:
- a lag screw inserted from a bone at one side as an object of junction and is engaged with a bone at the other side;
a tube plate placed along said bone at one side and provided with a receiving part having a penetration hole;
a tube positioned between said lag screw and said tube plate, into which a base of said lag screw is inserted, and provided with a head with which an inner periphery of said receiving part of said tube plate is movably engaged;
a set screw inserted from outside of said tube plate and engaged with an inner periphery of said tube in order to fix said tube on said tube plate;
a compression screw inserted from outside of said tube plate, penetrating inside said set screw, and engaged with said lag screw, thereby said lag screw as well as said bone on the other side are drew toward said bone at one end; and
a washer inserted in a position between said set screw and an outer periphery of said receiving part of said tube plate, rotating during engagement of said set screw with said head of said tube, until said washer stops at a stablest position.
1 Assignment
0 Petitions
Accused Products
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.
72 Citations
5 Claims
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1. A bone jointer comprising:
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a lag screw inserted from a bone at one side as an object of junction and is engaged with a bone at the other side; a tube plate placed along said bone at one side and provided with a receiving part having a penetration hole; a tube positioned between said lag screw and said tube plate, into which a base of said lag screw is inserted, and provided with a head with which an inner periphery of said receiving part of said tube plate is movably engaged; a set screw inserted from outside of said tube plate and engaged with an inner periphery of said tube in order to fix said tube on said tube plate; a compression screw inserted from outside of said tube plate, penetrating inside said set screw, and engaged with said lag screw, thereby said lag screw as well as said bone on the other side are drew toward said bone at one end; and a washer inserted in a position between said set screw and an outer periphery of said receiving part of said tube plate, rotating during engagement of said set screw with said head of said tube, until said washer stops at a stablest position. - View Dependent Claims (2, 3, 4, 5)
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Specification