Patent · US Active

Expandable corpectomy spinal fusion cage

US8241363B2 · kind B2 · utility

109Cited by

115References

11Claims

0Family size

Assignee

DePuy Spine, Inc. · US

Inventors

Robert E. Sommerich · Norton, US
Glen Presbrey · Pascoag, US
Martin Meer · Winnweiler, DE
Gerhard Pohl · St. Georgen, DE

Key dates

Filing date	Dec 19, 2007
Grant date	Aug 14, 2012
Priority date	—
Expiry date	Mar 11, 2029

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2220/0033
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An intervertebral expandable spacer having a pair of co-axial annuluses locked together by an engagement member having i) a set screw and ii) a pressure plate having an outer face contacting the set screw and an inner face having teeth adapted to mate with the ratchet notches of the second member.

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