The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 2001
Filed:
Jan. 29, 1999
Applicant:
Inventors:
Bruce J. Simon, Mountain Lakes, NJ (US);
Jeffrey D. Schwardt, Morristown, NJ (US);
Assignee:
Electro-Biology, Inc., Parsippany, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
A61N 1/20 ;
U.S. Cl.
CPC ...
A61N 1/20 ;
Abstract
A spinal fusion stimulator comprising an interbody fusion cage or other interbody fixation device adapted to be implanted in the intervertebral disc space of a patient's spine, the interbody fusion cage in the preferred embodiment having a hollow body with internal and external conductive surfaces. The stimulator includes a constant current generator connected to the interbody fusion cage and set to provide a DC current effective to produce a surface current density of at least 1 &mgr;A/cm,in the interbody fusion cage when implanted.