Compression depth monitor with variable release velocity feedback

Patent metadata

Field	Value
Publication number	US-11944582-B2
Application number	US-201816167573-A
Country	US
Kind code	B2
Filing date	Oct 23, 2018
Priority date	Apr 30, 2013
Publication date	Apr 2, 2024
Grant date	Apr 2, 2024

Abstract

A system for providing cardiopulmonary resuscitation (CPR) feedback configurable at a point of use is described that includes one or more sensors configured to generate a signal corresponding to motion of the chest during an administration of chest compressions and a defibrillator configured to couple to the one or more sensors, the defibrillator including an input device configured to accept user input indicative of a compression depth goal, one or more processors and a memory, the one or more processors configured to determine chest compression feedback that varies based on the user input and is based at least in part on the motion of the chest during the administration of chest compressions, and a display configured to display the chest compression feedback.

First claim

I claim:

1. A system for providing cardiopulmonary resuscitation (CPR) feedback configurable at a point of use, the system comprising:
one or more sensors configured to generate a signal corresponding to motion of a chest of a patient during an administration of manual chest compressions by a rescuer;
defibrillation electrodes; and
a defibrillator configured to couple to the one or more sensors and the defibrillation electrodes, the defibrillator comprising:
a user input separate from the defibrillation electrodes and configured to provide input signals to a control system, wherein the input signals are indicative of a pre-determined compression depth goal for the manual chest compressions that comprises an indication of a rescuer assessment of whether the patient is an adult patient or a pediatric patient,
the control system comprising one or more processors and a memory, the one or more processors configured to
determine a goal for release velocity for the manual chest compressions based on the provided input signals, and
determine chest compression feedback that varies based on the input signals to the control system indicative of the pre-determined compression depth goal for the manual chest compressions that comprises an indication of a rescuer assessment of whether the patient is an adult patient or a pediatric patient and is based at least in part on the motion of the chest during the administration of the manual chest compressions, wherein the chest compression feedback guides the rescuer in performing the manual chest compressions in accordance with the pre-determined compression depth goal and the determined goal for release velocity, and
a display configured to display the chest compression feedback.

2. The system of claim 1 wherein the defibrillator is an automated external defibrillator.

3. The system of claim 1 wherein the input signals to the control system indicative of the pre-determined compression depth goal for the manual chest compressions indicates a 1.5 inch (3.8 cm) compression depth goal.

4. The system of claim 1 wherein the input signals to the control system indicative of the pre-determined compression depth goal for the manual chest compressions indicates a 2 inch (5.08 cm) compression depth goal.

5. The system of claim 1 wherein the chest compression feedback is indicative of a first comparison between the motion of the chest as indicated by the signal from the one or more sensors and at least the pre-determined compression depth goal and of a second comparison between the motion of the chest as indicated by the signal from the one or more sensors and the determined goal for release velocity.

6. The system of claim 5 wherein the display is configured to display the chest compression feedback as a graphical indication of the first comparison and the second comparison.

7. The system of claim 6 wherein the chest compression feedback indicates whether the rescuer achieved or failed to achieve the pre-determined compression depth goal and whether the rescuer achieved or failed to achieve the determine goal for release velocity.

8. The system of claim 1 wherein the chest compression feedback further comprises compression rate feedback based on the motion of the chest as indicated by the signal from the one or more sensors and a chest compression rate goal.

9. The system of claim 8 , wherein the pre-determined compression depth goal and the compression rate goal correspond to one or more of American Heart Association and European Resuscitation Council CPR guidelines.

10. The system of claim 1 , wherein the chest compression feedback comprises a graphic icon that fills partially or fully with a color contrasting a background based on the signal from the one or more sensors.

11. The system of claim 1 wherein the chest compression feedback is numeric feedback.

12. The system of claim 1 , wherein the release velocity comprises a peak release velocity during release of a portion of the manual chest compressions.

13. The system of claim 1 , wherein the chest compression feedback comprises an indication of a measured value for release velocity for a manual chest compression being performed of the manual chest compressions and at least one instruction to guide the rescuer in performing the manual chest compressions in accordance with the pre-determined compression depth goal and the determined goal for release velocity.

14. The system of claim 13 , wherein the indication of the measured value for release velocity comprises a graphical progress bar that fills by an amount determined based on a comparison between the measured value for release velocity and the determined goal for release velocity.

15. The system of claim 1 , wherein the input signals provided by the user input comprise an input value for the pre-determined compression depth goal, which is within a range of potential chest compression depths suitable for treatment of one of an adult patient or a pediatric patient, and wherein the goal for release velocity is based on the input value for the pre-determined compression depth goal and the indication of the rescuer assessment of whether the patient is an adult patient or a pediatric patient.

Assignees

• Zoll Medical Corp

Inventors

• Johnson Guy R

Classifications

• A61H31/005 Primary

  with feedback for the user · CPC title

• A61H31/007

  Manual driven · CPC title

• A61H2201/5007

  computer controlled · CPC title

• A61H2201/5043

  Displays · CPC title

• A61H2201/5064

  Position sensors · CPC title