Matthew J Michaels

US Patent:

7640059, Dec 29, 2009

Filed:

Sep 8, 2005

Appl. No.:

11/222495

Inventors:

John W. Forsberg - St. Paul MN, US
Matthew J. Michaels - Glendale AZ, US
Jeffry C. Palm - Coon Rapids MN, US

Assignee:

Medtronic, Inc. - Minneapolis MN

International Classification:

A61N 1/08
A61B 5/04

US Classification:

607 27, 607 7, 600523

Abstract:

A trial stimulation system and, more particularly, an indicator device within the trial stimulation system that measures and indicates energy amplitude levels for electrical stimulation therapy delivered to a patient. Specifically, the indicator device simultaneously indicates energy amplitude levels, such as electrical voltage, current, power, and electrical charge, as well as the polarity for each electrode in real-time without affecting the therapy delivered to the patient. For example, the indicator device may activate a number of lights in an array of lights in proportion to the measured energy amplitude level for each electrode and may activate a green LED or a red LED when a corresponding electrodes acts as a source or sink, respectively. In this manner, the indicator device allows a clinician to visualize the electrical fields produced by each electrode and, therefore, may assist stimulation steering, trouble shooting, and lead placement.

US Patent:

8233984, Jul 31, 2012

Filed:

Jul 21, 2009

Appl. No.:

12/506972

Inventors:

John W. Forsberg - St. Paul MN, US
Matthew J. Michaels - Glendale AZ, US
Jeffry C. Palm - Coon Rapids MN, US

Assignee:

Medtronic, Inc. - Minneapolis MN

International Classification:

A61N 1/08

US Classification:

607 28, 607 60, 607 63, 600393

Abstract:

The invention is directed to a trial stimulation system and, more particularly, an indicator device within the trial stimulation system that measures and indicates energy amplitude levels for electrical stimulation therapy delivered to a patient. Specifically, the indicator device simultaneously indicates energy amplitude levels, such as electrical voltage, current, power, and electrical charge, as well as the polarity for each electrode in real-time without affecting the therapy delivered to the patient. For example, the indicator device may activate a number of lights in an array of lights in proportion to the measured energy amplitude level for each electrode and may activate a green LED or a red LED when a corresponding electrodes acts as a source or sink, respectively. In this manner, the indicator device allows a clinician to visualize the electrical fields produced by each electrode and, therefore, may assist stimulation steering, trouble shooting, and lead placement.