| 摘要 |
The present invention is a tubular inter-body fusion device (102) having flat upper, and lower surfaces (104, 106) including multiple parallel ratch blade ridges (114, 116) having opposing orientations, concave exterior side walls (108,110), an interior axial bore (112) having inwardly directed ratchet ridges, a plurality of through holes (126, 128, 134) extending from the upper and lower surfaces into the interior bore from the sides into the interior bore, and from the upper and lower surfaces through the side walls.
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