APPARATUS AND METHOD FOR ELECTROCARDIOGRAPHIC MONITORING

• US 20170224243A1
• Filed: 04/24/2017
• Published: 08/10/2017
• Est. Priority Date: 03/15/2013
• Status: Active Grant

• Current Assignee: Greatbatch Limited (Greatbatch Incorporated)
• Original Assignee: Greatbatch Limited (Greatbatch Incorporated)
• Inventors: Chakravarthy, Niranjan, Katra, Rodolphe
• Granted Patent: US 10,448,854 B2
• Time in Patent Office: Days
• CPC Class Codes: A61B 5/0031 Implanted circuitry
• CPC Class Codes: A61B 5/283 Invasive
• CPC Class Codes: A61B 5/287 Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
• CPC Class Codes: A61B 5/333 Recording apparatus specially adapted therefor
• CPC Class Codes: A61B 5/339 Displays specially adapted therefor
• CPC Class Codes: A61B 5/341 Vectorcardiography [VCG]
• CPC Class Codes: A61B 5/686 Permanently implanted devices, e.g. pacemakers, other stimulators, biochips A61B5/6861 takes precedence
• CPC Class Codes: A61B 5/7203 for noise prevention, reduction or removal

Abstract

In various examples, an apparatus includes an apparatus configured for implantation within a body of a patient. The apparatus, in some examples, includes a housing. At least one antenna extends from the housing, the antenna being flexible such that the antenna conforms to the body of the patient. In some examples, the apparatus includes at least three electrodes, wherein at least a first electrode is disposed on the antenna and at least a second electrode is disposed on the housing. The at least three electrodes are disposed in a non-linear configuration, allowing for differential processing of signals recorded by the at least three electrodes.

Claims

1. An apparatus configured for implantation within a body of a patient, the apparatus comprising:

a housing;

at least three antennas extending from the housing, including a first antenna, a second antenna, and a third antenna, the first, second, and third antennas being flexible such that the first, second, and third antennas conform to the body of the patient; and

at least three electrodes, wherein at least a first electrode is disposed on the first antenna, at least a second electrode is disposed on the second antenna, wherein the first, second, and third electrodes are disposed in a non-linear configuration and provide at least three vectors along which to sense an electrocardiogram (ECG) signal.

2. The apparatus of claim 1, wherein the housing includes a fourth electrode.

3. The apparatus of claim 1, wherein the at least three vectors include:

a first vector formed between the first electrode and the second electrode;

a second vector formed between the first electrode and the third electrode; and

a third vector is formed between the second electrode and the third electrode.

4. The apparatus of claim 1, wherein the apparatus is configured to measure a global signal between electrodes of different antennas.

5. The apparatus of claim 1, wherein the first antenna includes at least two electrodes including the first electrode and a fifth electrode, wherein the first electrode and the fifth electrode are configured to measure a local signal.

6. The apparatus of claim 1, wherein the first, second, and third antennas correspond to first, second, and third axes, respectively, of a surrogate coordinate system, wherein the apparatus is configured determine and map, with respect to the surrogate coordinate system, one or more vectors of a cardiac electrical field.

7. A system comprising:

an implantable device configured for implantation within a body of a patient, the device including;

a housing;

at least three antennas extending from the housing, including a first antenna, a second antenna, and a third antenna, the first, second, and third antennas being flexible such that the first, second, and third antennas conform to the body of the patient; and

at least three electrodes, wherein at least a first electrode is disposed on the first antenna, at least a second electrode is disposed on the second antenna, and at least a third electrode is disposed on the third antenna, wherein the first, second, and third electrodes are disposed in a non-linear configuration and provide at least three vectors along which to sense an electrocardiogram (ECG) signal.

8. The system of claim 7, comprising an external device communicatively coupled to the implantable device.

9. The system of claim 7, wherein the housing includes a fourth electrode.

10. The system of claim 7, wherein the at least three vectors include:

a first vector formed between the first electrode and the second electrode;

a second vector formed between the first electrode and the third electrode; and

a third vector is formed between the second electrode and the third electrode.

11. The system of claim 7, wherein the apparatus is configured to measure a global signal between electrodes of different antennas.

12. The system of claim 7, wherein the first antenna includes at least two electrodes including the first electrode and a fifth electrode, wherein the first electrode and the fifth electrode are configured to measure a local signal.

13. The system of claim 7, wherein the first, second, and third antennas correspond to first, second, and third axes, respectively, of a surrogate coordinate system, wherein the system is configured determine and map, with respect to the surrogate coordinate system, one or more vectors of a cardiac electrical field.

14. The system of claim 13, comprising an external device communicatively coupled to the implantable device, wherein the external device is configured to determine and map, with respect to the surrogate coordinate system, the one or more vectors of the cardiac electrical field.

15. The system of claim 14, wherein the external device is configured to display the one or more vectors of the cardiac electrical field.

16. A system comprising:

an implantable device configured for implantation within a body of a patient, the device including;

a housing;

at least three antennas extending from the housing, including a first antenna, a second antenna, and a third antenna, the first, second, and third antennas being flexible such that the first, second, and third antennas conform to the body of the patient; and

at least three electrodes, wherein at least a first electrode is disposed on the first antenna, at least a second electrode is disposed on the second antenna, and at least a third electrode is disposed on the third antenna, wherein the first, second, and third electrodes are disposed in a non-linear configuration and provide at least three vectors along which to sense an electrocardiogram (ECG) signal; and

an external device communicatively coupled to the implantable device, wherein the first, second, and third antennas correspond to first, second, and third axes, respectively, of a surrogate coordinate system, wherein the system is configured determine and map, with respect to the surrogate coordinate system, one or more vectors of a cardiac electrical field.

17. The system of claim 16, wherein the external device is configured to determine and map, with respect to the surrogate coordinate system, the one or more vectors of the cardiac electrical field.

18. The system of claim 16, wherein the external device is configured to display the one or more vectors of the cardiac electrical field.

19. The system of claim 16, wherein the system is configured to map the one or more vectors of the cardiac electrical field as one or more two-dimensional vector maps.

20. The system of claim 17, wherein the one or more two-dimensional vector maps include a first vector map, a second vector map, and a third vector map, the system being configured to combine the first, second, and third two-dimensional vector maps into a three-dimensional vector map.