Interbody fusion device having partial circular section cross-se

Details Interbody fusion device having partial circular section cross-se Interbody fusion device having partial circular section cross-se

1997-07-24

1999-05-18

Jones, Mary Beth

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

A61F2/44

Patent

active

059047194

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.

REFERENCES:
patent: 2677369 (1954-05-01), Knowles
patent: 4863477 (1989-09-01), Monson
patent: 5425772 (1995-06-01), Brantigan
patent: 5443514 (1995-08-01), Steffer
patent: 5522899 (1996-06-01), Michelson
patent: 5607424 (1997-03-01), Tropiano
patent: 5658335 (1997-08-01), Allen
patent: 5658337 (1997-08-01), Kohrs et al.
patent: 5702450 (1997-12-01), Bisserie

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