INTERVERTEBRAL FUSION DEVICE IMPROVING FILLING OF DISC SPACE WITH GRAFT MATERIAL

PURPOSE: An intervertebral fusion device is provided to file a disc space with graft material. CONSTITUTION: The device includes: an anterior wall(11) having a convex horizontal cross section, a posterior wall(21), first and second end walls(31) positioned between the anterior and posterior walls, a...

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Bibliographische Detailangaben
Hauptverfasser:	BIRELEY DOUGLAS SCOTT, MOORE BRADLEY THOMAS, BARTISH CHARLES M. JR
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	PURPOSE: An intervertebral fusion device is provided to file a disc space with graft material. CONSTITUTION: The device includes: an anterior wall(11) having a convex horizontal cross section, a posterior wall(21), first and second end walls(31) positioned between the anterior and posterior walls, an upper bearing surface positioned between the anterior and posterior walls and having at least one upper opening, and a lower bearing surface having an anterior portion and at least one lower opening. The anterior and lower openings are in communication to promote bony fusion through the device. The anterior wall has a middle portion and lateral end portions, each having a maximum height. The maximum height of the middle portion is greater than the maximum height of the lateral end portion.