Automated caregiving device with prompting based on caregiver progress

• US 7,706,878 B2
• Filed: 05/07/2004
• Issued: 04/27/2010
• Est. Priority Date: 05/07/2004
• Status: Active Grant

• Current Assignee: Zoll Medical Corporation (Asahi Kasei Corporation)
• Original Assignee: Zoll Medical Corporation (Asahi Kasei Corporation)
• Inventors: Freeman, Gary A.
• Primary Examiner(s): Layno; Carl H
• Assistant Examiner(s): Gedeon; Brian T
• Application Number:
  US10/841,367
• Publication Number:
  US 20050251213A1
• Time in Patent Office: 2,181 Days
• Field of Search: 607/5, 607/6, 607/33, 607/142
• US Class Current: 607/6
• CPC Class Codes: A61B 2505/01 Emergency care
• CPC Class Codes: A61B 5/361 Detecting fibrillation
• CPC Class Codes: A61B 5/4848 Monitoring or testing the effects of treatment, e.g. of medication
• CPC Class Codes: A61G 13/1215 with patient airway positioning devices guiding means for tracheal tubes A61M16/0488
• CPC Class Codes: A61G 7/07 for the head or torso, e.g. special back-rests pillows in general A47G9/10
• CPC Class Codes: A61H 2201/1604 Head
• CPC Class Codes: A61H 2201/1607 Holding means therefor
• CPC Class Codes: A61H 2201/1609 Neck
• CPC Class Codes: A61H 2201/1611 Holding means therefor
• CPC Class Codes: A61H 2201/1614 Shoulder, e.g. for neck stretching
• CPC Class Codes: A61H 2201/1616 Holding means therefor
• CPC Class Codes: A61H 2201/5058 Sensors or detectors
• CPC Class Codes: A61H 2201/5061 Force sensors
• CPC Class Codes: A61H 2201/5092 Optical sensor
• CPC Class Codes: A61H 2230/065 used as a control parameter for the apparatus
• CPC Class Codes: A61H 2230/405 used as a control parameter for the apparatus
• CPC Class Codes: A61H 31/004 Heart stimulation
• CPC Class Codes: A61H 31/005 with feedback for the user
• CPC Class Codes: A61N 1/3625 External stimulators
• CPC Class Codes: A61N 1/3968 Constructional arrangements, e.g. casings A61N1/375 takes precedence
• CPC Class Codes: A61N 1/3987 : characterised by the timing or triggering of the shock
• CPC Class Codes: A61N 1/3993 : User interfaces for automatic external defibrillators
• CPC Class Codes: G09B 23/288 : for artificial respiration or heart massage
• CPC Class Codes: G09B 5/06 : with both visual and audible presentation of the material to be studied
• CPC Class Codes: G16Z 99/00 : Subject matter not provided for in other main groups of this subclass

Abstract

A device for assisting a caregiver in delivering therapy to a patient, the device comprising a user interface configured to deliver prompts to a caregiver to assist the caregiver in delivering therapy to a patient; at least one sensor configured to detect the caregiver'"'"'s progress in delivering the therapy, wherein the sensor is other than an electrode in an electrical contact with the body; a memory in which a plurality of different prompts are stored; a processor configured to determine which of the different prompts should be selected for delivery based on the progress detected by the sensor.

Claims

1. A device for assisting a caregiver in delivering therapy to a patient, the device comprising

a user interface configured to deliver prompts to a caregiver to assist the caregiver in delivering therapy to a patient, wherein the therapy is delivered in a series of steps;

at least one sensor configured to detect the caregiver'"'"'s progress through the series of steps in delivering the therapy;

a memory in which a plurality of different prompts are stored;

a processor configured to determine which of the plurality of different prompts should be selected for delivery based on detection by the sensor of a plurality of different steps to which the caregiver has progressed in delivery of the therapy, wherein progress through at least two different steps is detected and at least two different prompts are delivered, with the selection of prompt delivered based on which of the plurality of steps the caregiver has progressed to,

wherein the at least one sensor comprises a photoelectric sensor on the electrode for assisting in detection of whether the electrode has been applied to clothing.

2. A device for assisting a caregiver in delivering therapy to a patient, the device comprising

a user interface configured to deliver prompts to a caregiver to assist the caregiver in delivering therapy to a patient, wherein the therapy is delivered in a series of steps;

at least one sensor configured to detect the caregiver'"'"'s progress through the series of steps in delivering the therapy;

a memory in which a plurality of different prompts are stored;

a processor configured to determine which of the plurality of different prompts should be selected for delivery based on detection by the sensor of a plurality of different steps to which the caregiver has progressed in delivery of the therapy, wherein progress through at least two different steps is detected and at least two different prompts are delivered, with the selection of prompt delivered based on which of the plurality of steps the caregiver has progressed to,

wherein the processor selects a series of more detailed prompts for delivery to a user when progress is slower than a predetermined pace.

3. The device of claim 2 wherein the processor is configured to provide prompts with a first level of detail when progress is occurring at or faster than a predetermined rate, and with a second level of detail more specific than the first level of detail when progress is occurring at or slower than the predetermined rate.

12. A device of claim 2 or 4 wherein the prompts include instructions for performing first aid.

13. A device of claim 12 comprising

a cover to the device whose removal the processor is capable of detecting;

and

a series of bound pages on the face of the device under the cover with one or more sensors for determining to which page the bound pages have been turned.

14. A device of claim 12 further may comprise a portion of the device used specifically for storage of items commonly used in the course of providing aid such as bandaids, bandages, splints, antiseptic.

15. A device of claim 14, wherein the storage area of which is partitioned into individual wells in which each of the items is stored and a detections means is provided for determining which, if any, of the items has been removed by the user.

16. A device of claim 15, wherein the device further comprises photoelectric sensors in each of the wells.

17. A device of claim 12 in which the prompts and graphical interface illustrate the Red Cross First Aid treatment protocols.

4. A device for assisting a caregiver in delivering therapy to a patient, the device comprising

a user interface configured to deliver prompts to a caregiver to assist the caregiver in delivering therapy to a patient, wherein the therapy is delivered in a series of steps;

at least one sensor configured to detect the caregiver'"'"'s progress through the series of steps in delivering the therapy;

a memory in which a plurality of different prompts are stored;

a processor configured to determine which of the plurality of different prompts should be selected for delivery based on detection by the sensor of a plurality of different steps to which the caregiver has progressed in delivery of the therapy, wherein progress through at least two different steps is detected and at least two different prompts are delivered, with the selection of prompt delivered based on which of the plurality of steps the caregiver has progressed to,

wherein the processor is configured to slow down the rate at which prompts are delivered when progress is slower than a predetermined pace.

5. The device of claim 4 wherein the processor is configured to choose from among at least three rates at which prompts are delivered, and the choice is based at least in part on the progress detected by the sensor.

6. A device for assisting a caregiver in delivering therapy to a patient, the device comprising

a user interface configured to deliver prompts to a caregiver to assist the caregiver in delivering therapy to a patient, wherein the therapy is delivered in a series of steps;

at least one sensor configured to detect the caregiver'"'"'s progress through the series of steps in delivering the therapy;

a memory in which a plurality of different prompts are stored;

a processor configured to determine which of the plurality of different prompts should be selected for delivery based on detection by the sensor of a plurality of different steps to which the caregiver has progressed in delivery of the therapy, wherein progress through at least two different steps is detected and at least two different prompts are delivered, with the selection of prompt delivered based on which of the plurality of steps the caregiver has progressed to,

wherein the user interface delivers at least some of the prompts as visual instructions to be seen by the caregiver,

wherein the user interface comprises a series of printed pages.

7. The device of claim 6 further may comprise one or more detectors configured to detect which page of the series of pages is being viewed by the caregiver.

8. The device of claim 7 wherein the detectors comprise magnetic sensors that detect the presence of magnetic members supported by the pages.

9. An automatic external defibrillator for assisting a caregiver in delivering resuscitation therapy to a patient, the defibrillator comprising

a memory in which a plurality of different prompts are stored;

a processor configured to determine which of the different prompts should be selected for delivery;

a user interface configured to deliver the selected prompts to a caregiver to assist the caregiver in delivering therapy to a patient,

wherein the user interface comprises a series of printed pages and one or more detectors configured to detect which page of the series of pages is being viewed by the caregiver.

10. The defibrillator of claim 9 wherein the detectors comprise magnetic sensors that detect the presence of magnetic members supported by the pages.

11. A device for assisting a caregiver in delivering therapy to a patient, the device comprising

a user interface configured to deliver prompts to a caregiver to assist the caregiver in delivering therapy to a patient, wherein the therapy is delivered in a series of steps;

at least one sensor configured to detect the caregiver'"'"'s progress through the series of steps in delivering the therapy;

a memory in which a plurality of different prompts are stored;

a processor configured to determine which of the plurality of different prompts should be selected for delivery based on detection by the sensor of a plurality of different steps to which the caregiver has progressed in delivery of the therapy, wherein progress through at least two different steps is detected and at least two different prompts are delivered, with the selection of prompt delivered based on which of the plurality of steps the caregiver has progressed to,

wherein the sensor is configured to detect whether the caregiver has made a predetermined error in delivering the therapy, and wherein the processor is configured to deliver one or more prompts designed to assist the user in correcting the predetermined error,

wherein the progress detected by the sensors comprises whether a step in the protocol has been initiated and whether the step has been completed, and the processor is configured to pause in delivery of prompts if a step has been initiated but not completed, and no predetermined error associated with the step has been detected.

18. The device of claim 2, 4, 3, or 11 wherein the device is configured to assist a caregiver in delivering therapy for one or more cardiac malfunctions.

19. The device of claim 18 wherein the device is configured to assist a caregiver in delivering chest compressions.

20. The device of claim 18 wherein the device is configured to assist a caregiver in delivering CPR.

21. The device of claim 18 wherein the device is configured to assist a caregiver in delivering an electrical stimulus to the heart.

22. The device of claim 21 wherein the electrical stimulus includes defibrillation.

23. The device of claim 21 wherein the electrical stimulus includes pacing.

24. A device for assisting a care giver in delivering therapy to a patient, the device comprising

a user interface configured to deliver prompts to a caregiver to assist the caregiver in delivering therapy to a patient, wherein the therapy is delivered in a series of steps;

at least one sensor configured to detect the caregiver'"'"'s progress through the series of steps in delivering the therapy;

a memory in which a plurality of different prompts are stored;

a processor configured to determine which of the plurality of different prompts should be selected for delivery based on detection by the sensor of a plurality of different steps to which the caregiver has progressed in delivery of the therapy, wherein progress through at least two different steps is detected and at least two different prompts are delivered, with the selection of prompt delivered based on which of the plurality of steps the caregiver has progressed to,

a cover to the device whose removal the processor is capable of detecting;

a defibrillator for delivering defibrillation shocks;

electrodes configured to be attached to a patient, to acquire data indicative of the patient'"'"'s heart rhythm and to deliver a defibrillating shock if appropriate;

a storage area for said electrodes; and

at least one sensor for determining if the electrodes have been removed from the storage area by the user.

25. A device of claim 24 wherein the storage area is a compartment that is part of the housing of the device.

26. A device of claim 24 wherein the storage area is a package removable from the housing of the device.

27. A device of claim 24 whose cover is shaped for use as a neck rest for maintaining the patient'"'"'s airway in the necessary open condition during CPR.

28. A device of claim 27 in which a detection means is provided for determining if the patient'"'"'s head is correctly located on the cover while it is being used as a neck rest.

29. A device of claim 28 wherein the detection means is provided by a pressure sensor.

30. A device of claim 28 wherein the detection means is provided by a photoelectric sensor.

31. A device for assisting a caregiver in delivering therapy to a patient, the device comprising

a user interface configured to deliver prompts to a caregiver to assist the caregiver in delivering therapy to a patient, wherein the therapy is delivered in a series of steps;

at least one sensor configured to detect the caregiver'"'"'s progress through the series of steps in delivering the therapy;

a memory in which a plurality of different prompts are stored;

a processor configured to determine which of the plurality of different prompts should be selected for delivery based on detection by the sensor of a plurality of different steps to which the caregiver has progressed in delivery of the therapy, wherein progress through at least two different steps is detected and at least two different prompts are delivered, with the selection of prompt delivered based on which of the plurality of steps the caregiver has progressed to,

wherein the processor is configured to measure and to record the times required for a user to complete a sequence of steps and/or sub-steps in a protocol, and, based on the measured times adjusting the rate of the prompting delivered by the processor and user interface.

32. A device of claim 31 wherein the adjusting is based on a comparison of the measured times with a set of stored values.

33. A device of claim 32 further may comprise decision-making circuitry for evaluating the difference between the measured times and the set of stored values.