Patent · US Active

Method for locking an artificial facet between two vertebral bodies

US8668722B2 · kind B2 · utility

38Cited by

11References

17Claims

0Family size

Assignee

DePuy Synthes Products, Inc. · US

Inventors

Paul Pavlov · Nijmegen, NL
Robert Frigg · Wayne, US
Beat Lechmann · Gossau, CH

Key dates

Filing date	Nov 13, 2012
Grant date	Mar 11, 2014
Priority date	—
Expiry date	Nov 13, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2017/8655
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A bone screw (1) is used for locking an articular facet between the superior and inferior articular processes of two vertebral bodies and is provided with a threaded shaft (2), a screw head (3) and a central axis (4). The screw head (3) is further provided with a number of grooves (5) on the periphery of the screw head (3) which run essentially parallel to said central axis (4).

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