An expanded vertebral body fusion device
A fusion device and expansion type technology, applied in the direction of prosthesis, fixator, internal fixator, etc., can solve problems such as lack of bone graft window, difficulty in fusion between fusion device and vertebral body, and bone particle injection
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[0011] In order to clearly illustrate the technical features of the solution, the solution will be described below through a specific implementation mode combined with the accompanying drawings.
[0012] As can be seen from the accompanying drawings, the expansion type vertebral body fusion device of this program has a fusion body 5 and a push rod 7 that is axially threaded with the fusion body 5 in the fusion body 5, and the vertical projection of the fusion body 5 described in this program It is a rectangle with chamfered corners. The upper part of the fusion body 5 is the base 4 , the lower part is the head 1 , and between the base 4 and the head 1 is an integrated structure of the inverted tooth part 3 . There is a threaded hole along the axis in the base 4, and the push rod 7 is in the threaded hole and is connected by a matching screw thread. There is also a base through groove 6 on the top surface of the base 4 of the fusion body 5. , the role of the base through groove...
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