Electrical angle gauge

• US 7,877,149 B2
• Filed: 10/31/2006
• Issued: 01/25/2011
• Est. Priority Date: 09/02/2004
• Status: Active Grant

• Current Assignee: Proteus Digital Health, Inc. (Otsuka Holdings Company Limited)
• Original Assignee: Proteus Biomedical, Inc. (Otsuka Holdings Company Limited)
• Inventors: Zdeblick, Mark
• Primary Examiner(s): PATEL, NIKETA I
• Assistant Examiner(s): Narayanaswamy; Shubatra
• Application Number:
  US11/555,178
• Publication Number:
  US 20070123944A1
• Time in Patent Office: 1,547 Days
• Field of Search: 607/2, 607/19, 607/62, 607/115, 607/119, 600/374, 600/509
• US Class Current: 607/62
• CPC Class Codes: A61N 1/3627 for treating a mechanical deficiency of the heart, e.g. congestive heart failure or cardiomyopathy
• CPC Class Codes: A61N 1/36528 the parameter being measured by means of ultrasound
• CPC Class Codes: A61N 1/36578 controlled by mechanical motion of the heart wall, e.g. measured by an accelerometer or microphone

Abstract

Methods of using electrodes to obtain physiological location motion data are provided. Embodiments of the methods include producing an electrode from a broadcasting electrode that is proximal to the physiological location of interest and detecting a change in an induced electric potential at a receiving electrode to obtain the motion data of interest. Also provided are systems and components thereof, e.g., programming, for practicing methods according to embodiments of the invention.

Claims

1. A method for obtaining motion data for a physiological location of a body, the method comprising:

producing an electric field from a pair of broadcasting electrodes in a first satellite structure formed on a pacing lead, wherein the pacing lead is implanted in a body;

detecting a change in an electric potential of a receiving electrode in a second satellite structure formed on the pacing lead in response to a movement of the pacing lead, wherein the electric potential of the receiving electrode is induced by the electric field, and wherein the receiving electrode is attached to a physiological location of the body;

determining an angle by which the receiving electrode deflects from a mid-potential plane between the pair of broadcasting electrodes by processing the change in the electric potential of the receiving electrode; and

generating motion data for the physiological location of the body based on the angle by which the receiving electrode deflects from the mid-potential plane.

2. The method according to claim 1, wherein the physiological location is a cardiac location and the motion data are cardiac motion data.

3. The method according to claim 1, wherein the electric field is an alternating current electric field.

4. The method according to claim 1, wherein each of the first satellite structure and the second satellite structure includes a control chip.

5. The method according to claim 1, wherein each of the first satellite structure and the second satellite structure is a segmented satellite structure.

6. The method according to claim 1, wherein the first satellite structure is a quadrant electrode structure and the pair of broadcasting electrodes are opposing electrodes of the quadrant electrode structure.

7. The method according to claim 1, wherein the pacing lead is a multiplex lead.

8. The method according to claim 7, wherein the multiplex lead includes a two-wire bus and the satellite electrode structures are electrically coupled to the two-wire bus.

9. The method according to claim 1, wherein the motion data comprises timing data.

10. The method according to claim 1, further comprising administering an electrical pulse to a tissue of the body based on the motion data.

11. The method according to claim 1, wherein the body is a human body.

12. The method according to claim 1, wherein the producing the electric field comprises transmitting an alternating current through the pair of broadcasting electrodes.

13. A system for obtaining motion data for a physiological location of a body, the system comprising:

(a) a lead having a first segmented electrode satellite structure and a second segmented electrode satellite structure;

(b) a processing element communicatively coupled to the lead and configured to;

(i) select the first segmented electrode satellite structure as a broadcasting satellite and the second segmented electrode satellite structure as a receiving satellite, wherein the broadcasting satellite comprises a pair of broadcasting electrodes;

(ii) produce an electric field from the broadcasting satellite;

(iii) detect a change in an electric potential on a receiving electrode of the receiving satellite in response to a movement of the lead, wherein the electric potential of the receiving electrode is induced by the electric field, and wherein the receiving electrode is attached to a physiological location of a body;

(iv) determine an angle by which the receiving electrode deflects from a mid-potential plane between the pair of broadcasting electrodes by processing the change in the electric potential of the receiving electrode; and

(v) generate motion data for the physiological location of the body based on the angle by which the receiving electrode deflects from the mid-potential plane.

14. The system according to claim 13, wherein the broadcasting satellite comprises a pair of electrodes.

15. The system according to claim 13, wherein the receiving satellite comprises at least one electrode.

16. The system according to claim 13, wherein each one of the first segmented electrode satellite structure and the second segmented electrode satellite structure is a quadrant electrode structure.

17. A nontransitory computer readable storage medium having a processing program stored thereon, wherein the processing program is configured to operate a system comprising a pacing lead with a pair of broadcasting electrodes and with a receiving electrode to perform a method for obtaining motion data for a physiological location of a body, the method comprising:

producing an electric field from the pair of broadcasting electrodes on the pacing lead, wherein the pacing lead is implanted in a body;

detecting a change in an electric potential of the receiving electrode in response to a movement of the pacing lead, wherein the electric potential of the receiving electrode is induced by the electric field, and wherein the receiving electrode is attached to the physiological location of the body;

determining an angle by which the receiving electrode deflects from a mid-potential plane between the pair of broadcasting electrodes by processing the change in the electric potential of the receiving electrode; and

generating the motion data for the physiological location of the body based on the angle by which the receiving electrode deflects from the mid-potential plane.