System and method for adapting alarms in a wearable medical device

• US 9,990,829 B2
• Filed: 04/10/2017
• Issued: 06/05/2018
• Est. Priority Date: 03/25/2011
• Status: Active Grant

• Current Assignee: Zoll Medical Corporation (Asahi Kasei Corporation)
• Original Assignee: Zoll Medical Corporation (Asahi Kasei Corporation)
• Inventors: Kaib, Thomas E., Volpe, Shane S., Clark, John G.
• Primary Examiner(s): Lu, Shirley
• Application Number:
  US15/483,203
• Publication Number:
  US 20170278370A1
• Time in Patent Office: 421 Days
• CPC Class Codes: A61B 1/00 Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes examination of body cavities or body tracts using ultrasonic, sonic or infrasonic waves A61B8/12; endoscopic instruments for taking cell samples or for biopsy A61B10/04; for surgical purposes A61B17/00; endoscopic surgical cutting instruments A61B17/32; surgical instruments using a laser beam being directed along or through a flexible conduit A61B18/22; Illuminating arrangements therefor for the eyes A61B3/00
• CPC Class Codes: A61B 5/746 Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms alarms per se G08B
• CPC Class Codes: A61M 1/00 Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems catheters A61M25/00; tube connectors, tube couplings, valves or branch units specially adapted for medical use A61M39/00; devices for taking samples of blood A61B5/15; filters implantable into blood vessels A61F2/01
• CPC Class Codes: A61N 1/08 Arrangements or circuits for monitoring, protecting, controlling or indicating for external stimulators A61N1/3603; for implantable neurostimulators A61N1/36128; for heart stimulators A61N1/37; for defibrillators A61N1/3925
• CPC Class Codes: A61N 1/3925 Monitoring; Protecting
• CPC Class Codes: G08B 21/0453 worn on the body to detect health condition by physiological monitoring, e.g. electrocardiogram, temperature, breathing detecting, measuring or recording for diagnostic purposes A61B5/00
• CPC Class Codes: G08B 21/18 Status alarms G08B21/02 takes precedence
• CPC Class Codes: G08B 21/24 Reminder alarms, e.g. anti-loss alarms
• CPC Class Codes: G16H 20/10 relating to drugs or medications, e.g. for ensuring correct administration to patients
• CPC Class Codes: G16H 40/20 for the management or administration of healthcare resources or facilities, e.g. managing hospital staff or surgery rooms
• CPC Class Codes: G16H 40/63 for local operation
• CPC Class Codes: G16H 40/67 for remote operation
• CPC Class Codes: G16H 50/30 for calculating health indices; for individual health risk assessment
• CPC Class Codes: H04W 4/00 Services specially adapted for wireless communication networks; Facilities therefor

Abstract

According to another example, a wearable medical device controller is provided. The device controller includes a memory and a processor coupled to the memory. The processor is configured to determine a correlation between a phenomenon identifiable by the wearable medical device controller and at least one response pattern associated with a patient and store, responsive to detecting the correlation, an adaptation path to address the at least one response pattern, the adaptation path specifying an adaptation of at least one characteristic of an alarm. The at least one response pattern may include a plurality of response patterns and the adaptation path may reflect adaptations made to address at least some of the plurality of response patterns.

Claims

1. An ambulatory medical device comprising:

one or more physiological sensors configured to acquire cardiopulmonary data from a patient, the cardiopulmonary data comprising one or more of electrocardiogram (ECG) data, heart rate data, and respiration data;

one or more environmental sensors configured to monitor one or more environmental parameters of an environment of the ambulatory medical device; and

at least one processor operatively coupled to the one or more physiological sensors and the one or more environmental sensors and configured to

detect a physiological condition of the patient based on the cardiopulmonary data,

identify a notification associated with the detected physiological condition of the patient to be issued to an intended recipient, the notification having one or more characteristics,

detect an environmental condition of the ambulatory medical device based on the one or more environmental parameters,

determine, based on the detected environmental condition of the ambulatory medical device, whether one or more factors exist that may inhibit the intended recipient'"'"'s ability to recognize the notification associated with the physiological condition of the patient,

on determining existence of the one or more factors that may inhibit the intended recipient'"'"'s ability to recognize the notification associated with the physiological condition of the patient, adapt the one or more characteristics of the notification to provide an adapted notification associated with the physiological condition of the patient, and

issue the adapted notification associated with the physiological condition of the patient to the intended recipient.

2. The ambulatory medical device of claim 1, wherein the one or more environmental sensors comprises at least one or more of an atmospheric sensor, a thermometer, an airflow sensor, a video sensor, an audio sensor, an accelerometer, a global positioning system sensor, and a hygrometer.

3. The ambulatory medical device of claim 1, wherein the one or more factors comprises excessive motion.

4. The ambulatory medical device of claim 1, wherein the one or more factors comprises high humidity.

5. The ambulatory medical device of claim 1, wherein the one or more factors comprises an environmental condition correlated with false alarms.

6. The ambulatory medical device of claim 1, wherein the one or more factors comprises excessive sensory stimulation.

7. The ambulatory medical device of claim 6, wherein the excessive sensory stimulation comprises excessive ambient noise.

8. The ambulatory medical device of claim 1, wherein the one or more factors comprises a geographic location of the ambulatory medical device.

9. The ambulatory medical device of claim 1, further comprising at least one defibrillator electrode operably coupled to the at least one processor and configured to treat the patient.

10. The ambulatory medical device of claim 9, wherein the ambulatory medical device is a wearable defibrillator.

11. The ambulatory medical device of claim 10, wherein the ambulatory medical device requires a response to the notification to avoid administration of an unnecessary therapeutic shock.

12. The ambulatory medical device of claim 1, wherein the at least one processor is configured to adapt the one or more characteristics of the notification to one or more of an extended response time and an adjusted intensity.

13. The ambulatory medical device of claim 1, wherein the intended recipient is a person other than the patient.

14. The ambulatory medical device of claim 1, wherein the one or more factors comprises an ambient noise level in the environment.

15. An ambulatory medical device comprising:

one or more physiological sensors configured to acquire cardiopulmonary data from a patient, the cardiopulmonary data comprising one or more of electrocardiogram (ECG) data, heart rate data, and respiration data;

one or more environmental sensors configured to monitor one or more environmental parameters of an environment of the ambulatory medical device; and

at least one processor operatively coupled to the one or more physiological sensors and the one or more environmental sensors and configured to

detect a physiological condition of the patient based at on the cardiopulmonary data,

identify a notification associated with the detected physiological condition of the patient to be issued to an intended recipient, the notification having one or more characteristics,

detect an environmental condition of the ambulatory medical device based on the one or more environmental parameters,

determine, based on the detected environmental condition of the ambulatory medical device, whether one or more factors exist that may inhibit the intended recipient'"'"'s ability to recognize the notification associated with the physiological condition of the patient, the one or more factors comprising at least one of excessive ambient noise and excessive motion of the ambulatory medical device,

on determining existence of the one or more factors that may inhibit the intended recipient'"'"'s ability to recognize the notification associated with the physiological condition of the patient, adapt the one or more characteristics of the notification to provide an adapted notification associated with the physiological condition of the patient, and

issue the adapted notification associated with the physiological condition of the patient to the intended recipient.

16. The ambulatory medical device of claim 15, wherein the one or more factors further comprise high humidity.

17. A method of adapting notifications issued from an ambulatory medical device comprising one or more environmental sensors, one or more physiological sensors, a memory, and at least one processor coupled to the memory, the one or more environmental sensors, and the one or more physiological sensors, the method comprising:

monitoring one or more environmental parameters of an environment of the ambulatory medical device;

acquiring cardiopulmonary data from a patient, the cardiopulmonary data comprising one or more of electrocardiogram (ECG) data, heart rate data, and respiration data;

detecting a physiological condition of the patient based on the cardiopulmonary data;

identifying a notification associated with the detected physiological condition of the patient to be issued to an intended recipient, the notification having one or more characteristics;

detecting an environmental condition of the ambulatory medical device based on the one or more environmental parameters;

determining, based on the detected environmental condition of the ambulatory medical device, whether one or more factors exist that may inhibit the intended recipient'"'"'s ability to recognize the notification associated with the physiological condition of the patient;

on determining existence of the one or more factors that may inhibit the intended recipient'"'"'s ability to recognize the notification associated with the physiological condition of the patient, adapting the one or more characteristics of the notification to provide an adapted notification associated with the physiological condition of the patient; and

issuing the adapted notification associated with the physiological condition of the patient to the intended recipient.

18. The method of claim 17, wherein determining whether one or more factors exist comprises determining existence of one or more of excessive motion, high humidity, and improper fitting of the ambulatory medical device to the patient.