Patent · US Expired

Intervertebral allograft spacer

US7347873B2 · kind B2 · utility

83Cited by
7References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 2005
Grant dateMar 25, 2008
Priority date
Expiry dateJan 6, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S623/925
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

An allogenic intervertebral implant for fusing vertebrae is disclosed. The implant is a piece of allogenic bone conforming in size and shape with a portion of an end plate of a vertebra. The implant has a wedge-shaped profile to restore disc height and the natural curvature of the spine. The top and bottom surfaces of the implant have a plurality of teeth to resist expulsion and provide initial stability. The implant according to the present invention provides initial stability need for fusion without stress shielding.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.