Patent · US Expired

Artificial spinal disc

US6533818B1 · kind B1 · utility

368Cited by
5References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 26, 2000
Grant dateMar 18, 2003
Priority date
Expiry dateJul 26, 2020

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2310/00365
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A multi layered artificial spinal disc that can be surgically implanted to replace a damaged natural spinal disc. The top and bottom layers being comprised of bone permeable material that when implanted would fuse to the vertebrae and form a permanent bond. The middle layer is a polymer with mechanical properties similar to natural spinal discs.

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