Interbody fusion device having partial circular section cross-sectional segments
First Claim
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1. An interbody fusion implant, said implant comprising a tubular shaped body having flat upper and lower exterior surfaces and exterior side walls which are concave.
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Abstract
A tubular interbody fusion device having flat upper and lower surfaces including multiple parallel ratcheted blade ridges having opposing orientations, concave exterior side walls, an interior axial bore having inwardly directed ratcheted ridges, and a plurality of through holes 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.
341 Citations
16 Claims
- 1. An interbody fusion implant, said implant comprising a tubular shaped body having flat upper and lower exterior surfaces and exterior side walls which are concave.
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16. A hollow tubular interbody fusion implant, comprising:
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flat upper and lower external surfaces; side walls having inwardly bowed exterior surfaces defining a concave cross-sectional external shaped; a plurality of through holes formed therein, a first set of said through holes being formed in said upper and lower external surfaces and extending through to said interior of said tubular body, a second set of said through holes being formed in said side walls and extending through to said interior of said tubular body, and a third set of said through holes being formed in said upper and lower external surfaces and extending through to said inwardly bowed exterior surfaces of said said walls; a plurality of ridges formed on each of the upper and lower flat external surfaces, said ridges being disposed pendendicular to the axis of the tubular body; and a plurality of ridges formed on an interior surface of said tubular body.
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Specification