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, 2007
Filed:
Apr. 15, 2004
Applicants:
Alfred Stett, Reutlingen, DE;
Wilfried Nisch, Tuebingen, DE;
Martin Stelzle, Reutlingen, DE;
Eberhart Zrenner, Tubingen, DE;
Inventors:
Alfred Stett, Reutlingen, DE;
Wilfried Nisch, Tuebingen, DE;
Martin Stelzle, Reutlingen, DE;
Eberhart Zrenner, Tubingen, DE;
Assignee:
Retina Implant GmbH, Reutlingen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61N 1/05 (2006.01); A61N 1/36 (2006.01); A61N 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrode arrangement for electrical stimulation of biological material has at least one stimulation electrode via which the biological material can be fed a stimulus signal. Furthermore, a counter electrode is present which forms a counter pole to the stimulation electrode, one sensor electrode is provided with the aid of which it is possible to determine a polarization voltage across the stimulation electrode.