Wearable cardiac defibrillator receiving inputs by being deliberately tapped and methods

• US 9,789,327 B2
• Filed: 06/27/2016
• Issued: 10/17/2017
• Est. Priority Date: 09/24/2012
• Status: Active Grant

• Current Assignee: West Affum Holdings DAC
• Original Assignee: West Affum Holdings Corp
• Inventors: Brown, David Thomas, Debardi, Gary, Finch, David Peter, Szul, Krystyna
• Primary Examiner(s): Lieu, Julie
• Application Number:
  US15/194,314
• Publication Number:
  US 20160303391A1
• Time in Patent Office: 477 Days
• Field of Search: None
• CPC Class Codes: A61N 1/046 Specially adapted for shock therapy, e.g. defibrillation
• CPC Class Codes: A61N 1/3993 User interfaces for automatic external defibrillators

Abstract

A wearable defibrillation system includes an output device and a motion sensor. The output device emits a sound or a vibration for the patient, who responds by deliberately tapping the system. The motion sensor registers the tapping, and interprets it as a reply from the patient. The reply can be that the patient is conscious, or convey data that the patient enters by tapping the right number of times, or that the patient wants attention, and so on. Since the patient does not need direct access to the wearable defibrillation system for tapping it, he or she can wear it under their other garments, which helps preserve their dignity and privacy.

Claims

1. A wearable defibrillator system, comprising:

a support structure configured to be worn by a patient;

electrodes configured to deliver a charge to the patient while the support structure is worn by the patient;

an output device;

a processor configured to input a query while the support structure is worn by the patient, and to cause the output device to emit a questioning human-perceptible indication that conveys the query;

a monitoring device configured to monitor patient data while the support structure is worn by the patient; and

a motion sensor configured to detect motion of the patient while the patient responds to the query; and

a memory configured to store the patient data responsive to a motion detected by the motion sensor after the questioning human-perceptible indication is emitted.

2. The system of claim 1, in which

the output device includes a speaker.

3. The system of claim 1, in which

the output device includes a vibration mechanism.

4. The system of claim 1, in which

an unscheduled motion is detected, and

the query is input responsive to the unscheduled motion.

5. The system of claim 4, in which

a plurality of unscheduled motions following a pattern are detected, and

the query is input responsive to the plurality of unscheduled motions.

6. The system of claim 1, in which

the query is input responsive to a value of the patient data exceeding a threshold.

7. The system of claim 1, in which

the output device includes a vibration mechanism, and

the questioning human-perceptible indication conveys the query as a pattern of vibrations, such that

the query has a first meaning if the pattern of vibrations is a first pattern, and

the query has a second meaning different from the first meaning if the pattern of vibrations is a second pattern different from the first pattern.

8. The system of claim 1, in which

the patient data is stored only if the motion is detected within a respond interval that starts when the questioning human-perceptible indication is caused to be emitted, and

if no motion is detected within the respond interval, the processor causes the output device to emit another human-perceptible indication.

9. The system of claim 1, in which

an echo human-perceptible indication is further caused to be emitted for each detected motion that is interpreted to have been caused by each tapping.

10. The system of claim 1, in which

a confirming human-perceptible indication is caused to be emitted, and

the patient data is stored only if another motion is then detected from the motion sensor.

11. A non-transitory computer-readable storage medium storing one or more programs which, when executed by a processor of a wearable defibrillator system that has a support structure configured to be worn by a patient, and further has a motion sensor, an output device, a memory, and a monitoring device, they result in:

monitoring patient data while the support structure is worn by the patient;

inputting a query while the support structure is worn by the patient;

causing the output device to emit a questioning human-perceptible indication that conveys the query;

then receiving a detection signal from the motion sensor, in which the motion sensor is configured to detect motion of the patient while the patient responds to the query; and

causing the patient data to be stored in the memory responsive to the detection signal.

12. The medium of claim 11, in which

an unscheduled detection signal is received, and

the query is input responsive to the unscheduled detection signal.

13. The medium of claim 12, in which

a plurality of unscheduled detection signals following a pattern are received, and

the query is input responsive to the plurality of unscheduled detection signals.

14. The medium of claim 11, in which

the query is input responsive to a value of the patient data exceeding a threshold.

15. The medium of claim 11, in which

the output device includes a vibration mechanism, and

the questioning human-perceptible indication conveys the query as a pattern of vibrations, such that:

the query has a first meaning if the pattern of vibrations is a first pattern, and

the query has a second meaning different from the first meaning if the pattern of vibrations is a second pattern different from the first pattern.

16. The medium of claim 11, in which

an echo human-perceptible indication is further caused to be emitted for each detection signal that is interpreted to have been caused by each tapping.

17. The medium of claim 11, in which

the patient data is caused to be stored only if the detection signal is received within a respond interval that starts when the questioning human-perceptible indication is caused to be emitted, and

if no detection signal is received within the respond interval, the output device is caused to emit another human-perceptible indication.

18. The medium of claim 11, in which executing the one or more programs further results in:

causing to be emitted a confirming human-perceptible indication, and

the patient data is caused to be stored only if another detection signal is then received from the motion sensor.

19. A wearable defibrillator system, comprising:

a support structure configured to be worn by a patient;

electrodes configured to deliver a charge to the patient while the support structure is worn by the patient;

an output device;

a processor configured to input a query while the support structure is worn by the patient, and to cause the output device to emit a questioning human-perceptible indication that conveys the query;

a motion sensor configured to detect motion of the patient while the patient responds to the query; and

a memory configured to store a reply to the query responsive to a motion detected by the motion sensor after the questioning human-perceptible indication is emitted, the reply in accordance with the detected motion.

20. The system of claim 19, in which

the output device includes a speaker.

21. The system of claim 19, in which

the output device includes a vibration mechanism.

22. The system of claim 19, in which

an unscheduled motion is detected, and

the query is input responsive to the unscheduled motion.

23. The system of claim 22, in which

a plurality of unscheduled motions following a pattern are detected, and

the query is input responsive to the plurality of unscheduled motions.

24. The system of claim 19, further comprising:

a monitoring device for monitoring patient data, and

in which the query is input responsive to a value of the patient data exceeding a threshold.

25. The system of claim 19, in which

the output device includes a vibration mechanism, and

the questioning human-perceptible indication conveys the query as a pattern of vibrations, such that

the query has a first meaning if the pattern of vibrations is a first pattern, and

the query has a second meaning different from the first meaning if the pattern of vibrations is a second pattern different from the first pattern.

26. The system of claim 19, in which

the reply is stored in the memory only if the motion is detected within a respond interval that starts when the questioning human-perceptible indication is caused to be emitted, and

if no motion is detected within the respond interval, the processor causes the output device to emit another human-perceptible indication.

27. The system of claim 19, in which

the reply has a first value if the detected motion is inferred to have been caused by a first number of tappings by the patient, and

the reply has a second value different from the first value if the detected motion is inferred to have been caused by a second number of tappings by the patient that is different from the first number.

28. The system of claim 19, in which

an echo human-perceptible indication is further caused to be emitted for each detected motion that is interpreted to have been caused by each tapping.

29. The system of claim 19, in which

a confirming human-perceptible indication is caused to be emitted, and

the reply is stored in the memory only if another motion is then detected by the motion sensor.

30. A non-transitory computer-readable storage medium storing one or more programs which, when executed by a processor of a wearable defibrillator system that has a support structure configured to be worn by a patient, and further has a motion sensor, and a memory, they result in:

inputting a query while the support structure is worn by the patient;

causing the output device to emit a questioning human-perceptible indication that conveys the query;

then receiving a detection signal from the motion sensor while the support structure is worn by the patient, in which the motion sensor is configured to detect motion of the patient while the patient responds to the query; and

causing a reply to the query to be stored in the memory responsive to the detection signal, the reply in accordance with the detection signal.

31. The medium of claim 30, in which

an unscheduled detection signal is received, and

the query is input responsive to the unscheduled detection signal.

32. The medium of claim 31, in which

a plurality of unscheduled detection signals following a pattern are received, and

the query is input responsive to the plurality of unscheduled detection signals.

33. The medium of claim 30, in which

the wearable defibrillator system further has a monitoring device for monitoring patient data, and

in which the query is input responsive to a value of the patient data exceeding a threshold.

34. The medium of claim 30, in which

the output device includes a vibration mechanism, and

the questioning human-perceptible indication conveys the query as a pattern of vibrations, such that:

the query has a first meaning if the pattern of vibrations is a first pattern, and

the query has a second meaning different from the first meaning if the pattern of vibrations is a second pattern different from the first pattern.

35. The medium of claim 30, in which

an echo human-perceptible indication is further caused to be emitted for each detection signal that is interpreted to have been caused by each tapping.

36. The medium of claim 30, in which

the reply is caused to be stored in the memory only if the detection signal is received within a respond interval that starts when the questioning human-perceptible indication is caused to be emitted, and

if no detection signal is received within the respond interval, the output device is caused to emit another human-perceptible indication.

37. The medium of claim 30, in which

the reply has a first value if the detection signal is inferred to have been caused by a first number of tappings by the patient, and

the reply has a second value different from the first value if the detection signal detection signal is inferred to have been caused by a second number of tappings by the patient that is different from the first number.

38. The medium of claim 30, in which executing the one or more programs further results in:

causing to be emitted a confirming human-perceptible indication, and

in which the reply is caused to be stored in the memory only if another detection signal is then received from the motion sensor.