Patent · US Active

Multi-axial screw assembly

US8057519B2 · kind B2 · utility

34Cited by

74References

14Claims

0Family size

Assignee

Warsaw Orthopedic, Inc.

Inventors

Jeff R. Justis · Pensacola, US
Fred J. Molz, IV · Collierville, US
James M. Mirda · Cordova, US
Rodney Ray Ballard · Lakeland, US
Robert A. Farris · Cordova, US
Jason M. May · Bayshore Commons, US

Key dates

Filing date	Feb 27, 2008
Grant date	Nov 15, 2011
Priority date	—
Expiry date	Aug 28, 2030

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B17/7059
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

The present application is directed to multi-axial screw assemblies to connect a longitudinal member to a vertebral member. In one embodiment, the multi-axial screw assembly includes a screw comprising a threaded shank and an enlarged head. The assembly may also include a body with an upper channel sized to receive the longitudinal member, a lower chamber to receive the head. The body is constructed to maintain the head in the lower chamber.

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