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.:

US 7697980 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 13, 2010

Filed:

Mar. 27, 2003
Applicants:

J. Brandon Laflen, Lafayette, IN (US);

Thomas M. Talavage, West Lafayette, IN (US);

Inventors:

J. Brandon Laflen, Lafayette, IN (US);

Thomas M. Talavage, West Lafayette, IN (US);

Assignee:

Purdue Research Foundation, West Lafayette, IN (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A tissue stimulation method which uses wave-guiding principles to construct a focused point of stimulation at any location within a region of electrically excitable living tissue. The excitation is formed through the constructive interference of different frequency wave energies, traveling at frequency-dependent velocities, which coalesce at the stimulation point. Further energy is brought to the stimulation point through reflection(s) at the boundaries of the wave-guiding structure. The resulting excitation signal depends upon several factors, including pulse envelope and duration, allowable frequency range, and stimulation time.


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