Intervertebral retrieval device
First Claim
1. An intervertebral retrieval device comprisinga block body provided on an upper surface and a lower surface thereof with a plurality of protruded teeth, and with an inclined hole at at least one of said upper surface and lower surface;
- a bone nail to be fastened onto a vertebra contacting the upper surface or the lower surface of said block body with only a portion of the bone nail inserting into said inclined hole of said block body; and
wherein said inclined hole does not pass comletely through the block body so that the inclined hole has only one opening.
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Accused Products
Abstract
An intervertebral retrieval device comprises a block body and a bone nail. The block body is provided in an upper surface thereof and a lower surface thereof with a plurality of protruded teeth, with at least one of the two contact surfaces having an inclined hole. The bone nail is fastened onto a vertebra from the upper side or the lower side of a replacing intervertebral disc such that the bone nail penetrates slantingly the vertebra or its replacing body or similar device, and that the bone nail is inserted into the inclined hole of the block body.
295 Citations
10 Claims
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1. An intervertebral retrieval device comprising
a block body provided on an upper surface and a lower surface thereof with a plurality of protruded teeth, and with an inclined hole at at least one of said upper surface and lower surface; -
a bone nail to be fastened onto a vertebra contacting the upper surface or the lower surface of said block body with only a portion of the bone nail inserting into said inclined hole of said block body; and
wherein said inclined hole does not pass comletely through the block body so that the inclined hole has only one opening. - View Dependent Claims (2, 3, 4, 5)
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6. An intervertebral retrieval device comprising:
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a plurality of block bodies, each of which is provided on an upper surface and a lower surface thereof with a plurality of protruded teeth, and with an inclined hole at at least one of said upper surface and lower surface;
a plurality of bone nails, each of which is to be fastened onto a vertebra contacting the upper surface or the lower surface of said block body with only a portion of the bone nail inserting into said inclined hole of said block body;
an auxiliary fixation device enabling said bone nails to join together; and
wherein said inclined hole does not pass completely through the block body so that the inclined hole has only one opening. - View Dependent Claims (7, 8, 9, 10)
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Specification