Intervertebral implant

US5306308A · kind A · utility

Inventors

• Ulrich Gross · Berlin, DE
• Herman J. R. Schmitz · Berlin, DE
• Bertram Kaden · Berlin, DE
• Gerhard Fuhrmann · Berlin, DE

Key dates

• Filing date: Apr 23, 1992
• Grant date: Apr 26, 1994
• Expiry date: Apr 23, 2012

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S606/907
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An intervertebral implant consisting of a disc-shaped spacer made of rigid material and insertable between opposed and adjacent vertebrae in which the opposing sides (1, 2) of the implant bordering the vertebrae are circular discs and have a central raised dome (3 or 4) and roof-shaped projections thereon (5 or 6).