Patent · US Expired

Surface-mineralized spinal implants

US6736849B2 · kind B2 · utility

72Cited by
47References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 2002
Grant dateMay 18, 2004
Priority date
Expiry dateApr 2, 2022

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L2430/38
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A spinal implant is provided to integrate with and support vertebrae in a vertebral column. The spinal implant includes a body and a mineralized, bioactive surface coating chemically bonded to a portion of the body. The coating includes a non-hydroxyl containing carbonated calcium phosphate bone mineral nano-crystalline apatite with chemically adsorbed water having a crystal size less than about 1 &mgr;m. The body of the spinal implant is ring-shaped and defines a central passageway.

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