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1. (WO2019046547) SYSTEMS AND METHODS FOR CONTROLLING BREATHING
注意: このテキストは、OCR 処理によってテキスト化されたものです。法的な用途には PDF 版をご利用ください。

WHAT IS CLAIMED IS:

1. A system for controlling breathing, the system comprising:

a sensing electrode that senses electromyography (EMG) or electroneurogram (ENG) data from a throat muscle or nerve of a patient;

a stimulation electrode that provides stimulation to a diaphragm of the patient; and

an implantable medical device communicably coupled to the sensing electrode and the stimulation electrode, the implantable medical device comprising:

a memory that is capable of storing computer executable instructions; and

a processor that is configured to facilitate execution of the executable instructions stored in memory, wherein the instructions cause the processor to:

receive the EMG or ENG data from the sensing electrode; detect an intent of the patient to take a breath based on the received EMG or ENG data; and

deliver an electrical signal to the diaphragm via the stimulation electrodes when the intent of the patient to take a breath is detected.

2. The system of claim 1 , wherein the throat muscle is a posterior cricoarytenoid muscle.

3. The system of any one of claims 1 and 2, wherein an intent of the patient to take a breath is detected based on an initiation of a contraction of the neck muscle.

4. The system of claim 3, wherein the electrical signal comprises an onset delay.

5. The system of claim 4, wherein the onset delay corresponds to a natural delay between the initiation of the contraction of the throat muscle and a contraction of the diaphragm during normal breathing.

6. The system of any one of claims 1 through 5, wherein the instructions further cause the processor to determine a magnitude of a contraction of the throat muscle.

7. The system of claim 6, wherein the electrical signal comprises an amplitude and wherein the amplitude corresponds to the magnitude of the contraction of the throat muscle.

8. The system of any one of claims 1 through 7, wherein the instructions further cause the processor to detect a non-breath comprising at least one of coughing, chewing, movement of the neck, and swallowing and inhibit delivering of electrical signals upon detecting the non-breath.

9. A method of controlling breathing, the method comprising:

receiving, from a sensing electrode, electromyography (EMG) or

electroneurogram (ENG) data from a throat muscle or a throat nerve of a patient; detecting, via a processor, an intent of the patient to take a breath from the EMG or ENG data; and

delivering, via a stimulation electrode, an electrical signal to a diaphragm or a phrenic nerve of the patient when the intent of the patient to take a breath is detected.

10. The method of claim 9, wherein the throat muscle is a posterior cricoarytenoid muscle.

11. The method of any one of claims 9 and 10, wherein the intent of the patient to take a breath is detected based on an initiation of a contraction of the throat muscle.

12. The method of claim 11, wherein the electrical signal comprises an onset delay.

13. The method of claim 12, wherein the onset delay corresponds to a natural delay between the initiation of the contraction of the throat muscle and a contraction of the diaphragm during normal breathing.

14. The method of any one of claims 9 through 13, further comprising determining a magnitude of a contraction of the throat muscle.

15. The method of claim 14, wherein the electrical signal comprises an amplitude and wherein the amplitude corresponds to the magnitude of the contraction of the throat muscle.

16. The method of any one of claims 9 through 15, further comprising detecting a non-breath comprising at least one of coughing, chewing, movement of the neck, and swallowing and inhibiting delivery of electrical signals upon detecting the non-breath.

17. An implantable medical device (IMD) configured to be communicably coupled to a sensing electrode and a stimulation electrode, the implantable medical device comprising:

a memory that is capable of storing computer executable instructions; and a processor that is configured to facilitate execution of the executable instructions stored in memory, wherein the instructions cause the processor to:

receive electromyography (EMG) or electroneurogram (ENG) data from a throat muscle or nerve of a patient;

detect an intent of the patient to take a breath from the EMG or ENG data; and

deliver an electrical signal to a diaphragm of the patient when the breath is detected.

18. The IMD of claim 17, wherein the throat muscle is a posterior cricoarytenoid muscle.

19. The IMD of any one of claims 17 and 18, wherein the intent of the patient to take a breath is detected based on an initiation of a contraction of the throat muscle.

20. The IMD of claim 19, wherein the electrical signal comprises an onset delay and wherein the onset delay corresponds to a natural delay between the initiation of the contraction of the throat muscle and a contraction of the diaphragm during normal breathing.