Patent · US Expired

Multi-variable-height fusion device

US6641614B1 · kind B1 · utility

918Cited by
4References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 1998
Grant dateNov 4, 2003
Priority date
Expiry dateMar 24, 2018

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61F2310/00179
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Method and apparatus for promoting a spinal fusion between neighboring vertebrae are disclosed. Apparatus may be located within the intervertebral disc space and preferably includes a pair of engaging plates for contacting the vertebrae. An alignment device may be used to alter the vertical height between the engaging plates to customize the apparatus to fit a given patient. In one embodiment, the alignment device includes two turnbuckles and two pairs of cam blocks for adjusting the height between the engaging plates.

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