Rod for cervical vertebra and connecting system thereof
First Claim
1. A connector connecting an implant to a bone connecting rod, comprising:
- a first fastening member provided with an engagement hole freely engaging with a head portion of the implant anchored to the vertebral bodies and a fastening groove; and
a second fastening member provided with an insertion hole freely inserting the rod therethrough and a fastening groove;
wherein a through hole penetrating in a direction crossing to the fastening groove in the first fastening member and a through hole penetrating in a direction crossing to the fastening groove in the second fastening member are provided with fastening devices freely penetrating.
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Accused Products
Abstract
A connector is provided with a first fastening member 55 having an engagement hole 53 freely engaging with a head portion of an implant 41 screwed and inserted to a body of vertebra and a fastening groove 57, a second fastening member 63 having an insertion hole 61 freely inserting a rod 49 therethrough and a fastening groove 65, and a fastening device 69 freely penetrating a through hole 59 crossing to the fastening groove 57 in the first fastening member 55 and a through hole 67 crossing to the fastening groove 65 in the second fastening member 63, and an angle adjusting and engaging portion is provided on connecting surfaces 55a and 63a between the first fastening member 55 and the second fastening member 63.
116 Citations
15 Claims
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1. A connector connecting an implant to a bone connecting rod, comprising:
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a first fastening member provided with an engagement hole freely engaging with a head portion of the implant anchored to the vertebral bodies and a fastening groove; and
a second fastening member provided with an insertion hole freely inserting the rod therethrough and a fastening groove;
whereina through hole penetrating in a direction crossing to the fastening groove in the first fastening member and a through hole penetrating in a direction crossing to the fastening groove in the second fastening member are provided with fastening devices freely penetrating. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A cervical vertebra rod plate comprising:
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a rod portion mounted to a cervical vertebra;
a flat-shaped mounting portion provided in the rod portion and mounted to a cranium portion; and
a plurality of mounting holes provided in the flat-shaped mounting portion, wherein the flat-shaped mounting portion is formed to be symmetrical and the plurality of mounting holes are arranged in a symmetrical manner so as to be formed to be common between the right and left sides. - View Dependent Claims (8)
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9. A bone connecting system:
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a rod portion mounted to a cervical vertebra;
a symmetrically-formed flat-shaped mounting portion provided in the rod portion and mounted to a cranium portion;
a plurality of mounting holes provided in the flat-shaped mounting portion;
a rod plate for a cervical vertebra in which the plurality of mounting holes are arranged in a symmetrical manner so as to be formed to be common between the right and left sides; and
an implant screwed and inserted to the rod plate and a body of vertebra, comprising;
a first fastening member having an engagement hole freely engaging with a head portion of the implant and a fastening groove; and
a second fastening member provided with an insertion hole freely inserting the rod portion therethrough and a fastening groove, wherein a through hole penetrating in a direction crossing to the fastening groove in the first fastening member and a through hole penetrating in a direction crossing to the fastening groove in the second fastening member are provided fastening devices freely penetrating. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification