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.

Date of Patent:
May. 07, 2019

Filed:

Sep. 30, 2015
Applicants:

Kostas Tsampazis, North Ryde, AU;

Paul Carter, West Pennant Hills, AU;

Herbert Mauch, Grenzach-Wyhlen, DE;

Inventors:

Kostas Tsampazis, North Ryde, AU;

Paul Carter, West Pennant Hills, AU;

Herbert Mauch, Grenzach-Wyhlen, DE;

Assignee:

Cochlear Limited, Macquarie University, AU;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01); A61N 1/05 (2006.01); A61N 1/36 (2006.01); A61B 5/053 (2006.01);
U.S. Cl.
CPC ...
A61B 5/0538 (2013.01); A61B 5/053 (2013.01); A61B 5/686 (2013.01); A61B 5/6846 (2013.01); A61N 1/36036 (2017.08); A61B 5/6817 (2013.01); A61N 1/0541 (2013.01); A61N 1/36185 (2013.01);
Abstract

This method of determining an intracochlea tissue impedance comprises using at least two stimulating electrodes to apply an electrical stimulus to intracochlea tissue. A voltage caused by the stimulus is measured between two measuring electrodes distinct from the stimulating electrodes. From the voltage a stimulus-response characteristic of tissue between the two measuring electrodes is determined. This allows the tissue/electrode interface impedance and potential and the tissue impedance and potential to be uniquely determined. In turn, modiolus currents can be estimated in monopolar stimulation mode. Also provided is automated initiation of re-mapping of the device when tissue characteristics change.


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