Emergency medical services smart watch

• US 10,092,236 B2
• Filed: 01/05/2016
• Issued: 10/09/2018
• Est. Priority Date: 09/25/2013
• Status: Active Grant

• Current Assignee: Zoll Medical Corporation (Asahi Kasei Corporation)
• Original Assignee: Zoll Medical Corporation (Asahi Kasei Corporation)
• Inventors: Johnson, Guy R., Freeman, Gary A.
• Primary Examiner(s): JENNESS, NATHAN JAY
• Application Number:
  US14/988,000
• Publication Number:
  US 20160128626A1
• Time in Patent Office: 1,008 Days
• Field of Search: 600301
• CPC Class Codes: A61B 5/0002 Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network A61B5/07 takes precedence; transmission systems for measured values G08C; transmission H04B; transmission of digital information H04L; wireless communication networks H04W
• CPC Class Codes: A61B 5/002 Monitoring the patient using a local or closed circuit, e.g. in a room or building A61B5/0017 takes precedence
• CPC Class Codes: A61B 5/0205 Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
• CPC Class Codes: A61B 5/021 Measuring pressure in heart or blood vessels A61B5/0205 takes precedence
• CPC Class Codes: A61B 5/02108 from analysis of pulse wave characteristics
• CPC Class Codes: A61B 5/02438 with portable devices, e.g. worn by the patient
• CPC Class Codes: A61B 5/486 Bio-feedback A61B5/375 takes precedence
• CPC Class Codes: A61B 5/681 Wristwatch-type devices
• CPC Class Codes: A61B 5/7275 Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor
• CPC Class Codes: A61B 5/742 using visual displays A61B5/339 takes precedence
• CPC Class Codes: A61B 5/7445 Display arrangements, e.g. multiple display units
• CPC Class Codes: A61H 2201/0184 by raising an alarm
• CPC Class Codes: A61H 2201/10 with further special therapeutic means, e.g. electrotherapy, magneto therapy or radiation therapy, chromo therapy, infrared or ultraviolet therapy
• CPC Class Codes: A61H 2201/5007 computer controlled
• CPC Class Codes: A61H 2201/501 connected to external computer devices or networks
• CPC Class Codes: A61H 2201/5012 using the internet
• CPC Class Codes: A61H 2201/5046 Touch screens
• CPC Class Codes: A61H 2201/5048 Audio interfaces, e.g. voice or music controlled
• CPC Class Codes: A61H 2201/5084 Acceleration sensors
• CPC Class Codes: A61H 2201/5097 wireless
• CPC Class Codes: A61H 2230/04 : Heartbeat characteristics, e.g. E.G.C., blood pressure modulation
• CPC Class Codes: A61H 2230/06 : Heartbeat rate
• CPC Class Codes: A61H 2230/205 : partial CO2-value
• CPC Class Codes: A61H 2230/207 : partial O2-value
• CPC Class Codes: A61H 2230/30 : Blood pressure A61H2230/04 takes precedence
• CPC Class Codes: A61H 2230/42 : Rate
• CPC Class Codes: A61H 31/005 : with feedback for the user
• CPC Class Codes: A61H 31/007 : Manual driven
• CPC Class Codes: A61N 1/39044 : in combination with cardiopulmonary resuscitation [CPR] therapy
• CPC Class Codes: A61N 1/3993 : User interfaces for automatic external defibrillators
• CPC Class Codes: G16H 20/30 : relating to physical therapies or activities, e.g. physiotherapy, acupressure or exercising
• CPC Class Codes: G16H 20/40 : relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
• CPC Class Codes: G16H 40/63 : for local operation
• CPC Class Codes: G16H 40/67 : for remote operation
• CPC Class Codes: G16Z 99/00 : Subject matter not provided for in other main groups of this subclass

Abstract

A system comprising: a wrist-worn device configured to be worn on the wrist of a rescuer performing cardiopulmonary resuscitation (CPR), the wrist-worn device including: one or more sensors coupled with the wrist-worn device, the one or more sensors being configured to sense one or more parameters indicative of a fatigue level of the rescuer; and a sensor interface configured to provide the sensed parameters to one or more external computing devices via an interface; and a wearable computing device configured to be worn by a rescuer, the wearable computing device including: a device interface for receiving information related to CPR; and a display for displaying an indication of the received information.

Claims

1. A medical system for assisting a rescuer in resuscitation of a patient comprising:

a head mounted device comprising a visual display;

a chest compression sensor including one or more accelerometers configured to sense motion associated with cardio pulmonary resuscitation (CPR) chest compressions and to generate one or more signals indicative of chest motion;

a wrist-worn device configured to be disposed on a wrist of the rescuer administering cardiopulmonary resuscitation (CPR) chest compressions, the wrist-worn device comprising one or more sensors configured to monitor at least one physical parameter of the rescuer;

a patient monitor having at least one processor communicatively coupled to the chest compression sensor, the wrist-worn device, and the head mounted device, the at least one processor configured to;

receive at least one of (i) the one or more signals indicative of the chest motion from the chest compression sensor and (ii) the at least one physical parameter of the rescuer from the wrist-worn device,

analyze at least one of (i) the one or more signals indicative of the chest motion from the chest compression sensor and (ii) the at least one physical parameter of the rescuer from the wrist-worn device, and

determine at least one of whether a quality of the chest compressions has deteriorated, and whether a physical status of the rescuer has declined, and

display on the head mounted device, visual feedback comprising an indication of at least one of the deterioration in the quality of the chest compressions, and the decline of the physical status of the rescuer.

2. The system of claim 1, wherein the patient monitor provides an indication to switch rescuers based on at least one of the deterioration in the quality of chest compressions, and the decline in the at least one physical parameter of the rescuer, wherein the deterioration in the quality of chest compressions is based on the determination of whether the at least one chest compression parameter is outside of an acceptable range.

3. The system of claim 1, wherein the head mounted device includes wearable glasses.

4. The system of claim 3, wherein the display is formed on at least one lens of the wearable glasses.

5. The system of claim 3, wherein the wearable glasses include a camera to capture the specific rescuer motions of the rescuer.

6. The system of claim 1, wherein the at least one physical parameter of the rescuer includes at least one of a heart rate, blood oxygen saturation, and a blood pressure of the rescuer.

7. The system of claim 1, wherein the patient monitor is part of an external defibrillator.

8. The system of claim 1, wherein the wrist-worn device comprises a memory configured to store a unique identifier associated with the wrist-worn device.

9. The system of claim 1, wherein the wrist-worn device is configured to power on when the wrist-worn device wraps around the wrist.

10. The system of claim 1, wherein the display of the head mounted device is configured to present the visual feedback via a projected image.

11. The system of claim 1 wherein the at least one chest compression parameter includes a CPR compression depth and a CPR compression rate.

12. The system of claim 1 wherein the determination of whether the quality of the chest compressions has deteriorated includes configuring the at least one processor to determine incomplete release of the CPR chest compressions based on a detection of continued pressure on the sternum of the patient during a chest compression cycle.

13. The system of claim 1 wherein the head mounted device provides a communications network node in a communications network comprising a plurality of wearable computing devices corresponding to a plurality of emergency response team members.

14. The system of claim 13 wherein the plurality of wearable computing devices corresponding to the plurality of emergency response team members comprises one or more of one or more wrist-worn devices and one or more head mounted devices.

15. The system of claim 1, further comprising one or more physiological sensors associated with a patient and configured to provide one or more signals indicative of physiological information for the patient, wherein the one or more signals includes information of at least one of heart rate and inspired oxygen of the patient.

16. The system of claim 1 wherein the head mounted device includes a touchscreen configured to receive input from the rescuer.

17. The system of claim 1 wherein the head mounted device includes a microphone configured to receive voice commands from the rescuer.

18. The system of claim 1 wherein the head mounted device provides a communications network node in a communications network comprising one or more of a plurality of head mounted devices and a plurality of patient monitors.

19. The system of claim 1 wherein the head mounted device is configured to removably attach to a portable defibrillator.

20. The system of claim 1 wherein one or more of the patient monitor and the head mounted device are configured to transmit information to a central management system using a wireless network.

21. The system of claim 20, wherein the wireless network includes at least one of a cellular data network and Wi-Fi network.

22. The system of claim 1 wherein the head mounted device is configured to be disposed on the head of a rescuer not administering the CPR chest compressions, the head mounted device comprising:

a device interface configured to receive the one or more signals indicative of the chest motion and the at least one physical parameter of the rescuer from the patient monitor; and

a display to display the at least one physical parameter of the rescuer and the one or more signals indicative of the chest motion to the rescuer not administering the CPR chest compressions.

23. The system of claim 1, wherein the head mounted device includes one or more sensors for capturing specific rescuer motions.

24. The system of claim 23, wherein the specific rescuer motions are associated with causing the head mounted device to power cycle.

25. The system of claim 23, wherein the specific rescuer motions include detecting specific head movements or specific hand movement of the rescuer.

26. The system of claim 1, wherein the visual feedback includes at least one of depth and rate of the chest compressions performed by the rescuer.

27. The system of claim 26, wherein the visual feedback further includes a perfusion performance indicator that fills over time to provide an indication about depth and rate of the chest compressions.

28. The system of claim 26, wherein the visual feedback further includes a perfusion performance indicator that fills over time to provide an real-time indication about depth and rate of the chest compressions.

29. A method for assisting a rescuer in resuscitation of a patient implemented on at least one processor, comprising:

generating, by a chest compression sensor that includes one or more accelerometers, one or more signals indicative of a chest motion associated with cardiopulmonary resuscitation (CPR) chest compressions;

monitoring, by a wrist-worn device, at least one physical parameter of the rescuer;

determining at least one of whether a quality of the chest compressions has deteriorated, and whether a physical status of the rescuer has declined,

wherein the determination of whether the quality of the chest compressions has deteriorated includes;

receiving the one or more signals indicative of the chest motion from the chest compression sensor,

analyzing the one or more signals to determine at least one chest compression parameter, and

wherein the determination of whether the physical status of the rescuer has declined includes;

receiving the at least one physical parameter of the rescuer from the wrist-worn device, and

analyzing the at least one physical parameter to provide an indication of the physical status of the rescuer, and

displaying on a head mounted device, visual feedback comprising an indication of at least one of the deterioration in the quality of chest compressions, and the decline of the physical status of the rescuer.

30. The method of claim 29, further comprising generating an indication to switch rescuers in response to the at least one processor of the patient monitor determining the quality of the chest compressions has deteriorated or the physical status of the rescuer has declined, wherein the determination of whether the quality of the chest compressions has deteriorated includes determining whether the at least one chest compression parameter is outside of an acceptable range.

31. The method of claim 29 wherein the wrist-worn device comprises one or more sensors configured to monitor at least one of a heart rate, blood oxygen saturation, and a blood pressure of the rescuer.

32. The method of claim 29 wherein the patient monitor comprises an external defibrillator.

33. The method of claim 29, further comprising displaying on the display of the head mounted device a reminder for the rescuer to release during the CPR chest compressions.

34. The method of claim 33, further comprising displaying on the display of the head mounted device an indication of an incomplete release during CPR chest compressions in response to a detection of continued pressure on the sternum of the patient during a chest compression cycle.

35. The method of claim 29 wherein the head mounted device comprises wearable glasses.

36. The method of claim 35 comprising displaying the visual feedback on at least one lens of the wearable glasses.

37. The method of claim 29 comprising providing a communications network node in a communications network comprising a plurality of wrist-worn and head mounted devices corresponding to a plurality of emergency response team members.

38. The method of claim 29, further comprising receiving one or more signals indicative of physiological information for the patient, the one or more signals including information of at least one of heart rate and inspired oxygen of the patient.

39. The method of claim 29 comprising transmitting information to a central management system.

40. The method of claim 29 wherein the head mounted device is configured to be disposed on the head of a rescuer not administering the CPR chest compressions, the method comprising:

receiving, at the head mounted device, from the patient monitor, the at least one physical parameter of the rescuer and the one or more signals indicative of the chest motion; and

displaying, to the rescuer not administering the at least one physical parameter of the rescuer and the one or more signals indicative of the chest motion of the rescuer administering the CPR chest compressions.