| 摘要 |
There is provided an interbody fusion spacer comprising an elongated body having a first end wall, a second end wall, and a side wall extending between said first and second end walls. The elongated body defines an outer surface and an interior cavity for receiving an osteogenic material. The side wall defines a main side wall opening in communication with said interior cavity and is configured for loading said osteogenic material into said interior cavity. The side wall defines a plurality of secondary side wall openings extending from said outer surface in communication with said interior cavity for bone ingrowth into said interior cavity. There is further provided an interbody fusion implant system comprising a first interbody fusion spacer as described above and a second interbody fusion spacer having a second elongated body. The second elongated body has a third end wall, a fourth end wall, a second side wall extending between said third and fourth end walls. The second interbody fusion spacer is nestable with said first interbody fusion spacer. <IMAGE>
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