Patent · US Expired

Annular nucleus pulposus replacement

US7004971B2 · kind B2 · utility

158Cited by
6References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 31, 2002
Grant dateFeb 28, 2006
Priority date—
Expiry dateJun 13, 2023

Classification

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

Abstract

An annular nucleus pulposus replacement device having a large central cavity.

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