Lifting interbody fusion device and operation device for driving same
The invention relates to a lifting interbody fusion device and an operation device for driving the same. The lifting interbody fusion device comprises a screw, a middle limiting frame, an upper lifting block and a lower lifting block. The upper lifting block is arranged on the outer side of the uppe...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to a lifting interbody fusion device and an operation device for driving the same. The lifting interbody fusion device comprises a screw, a middle limiting frame, an upper lifting block and a lower lifting block. The upper lifting block is arranged on the outer side of the upper portion of the middle limiting frame in a sleeving mode, the lower lifting block is arranged on the outer side of the lower portion of the middle limiting frame in a sleeving mode, at least two first inclined grooves and at least two second inclined grooves are formed in each of the two side walls of the middle limiting frame, the inclination directions of the first inclined grooves and the second inclined grooves are opposite, first bolts in sliding fit with the first inclined grooves are arranged on the slide walls of the upper lifting block, second bolts in sliding fit with the second inclined grooves are arranged on the slide walls of the lower lifting block, and the screw is connected with the middle limitin |
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