Automated CPR Chest Compression Device with Feedback from a Chest Compression Monitor

• US 20130060173A1
• Filed: 10/31/2012
• Published: 03/07/2013
• Est. Priority Date: 10/25/2002
• Status: Abandoned Application

• Current Assignee: Zoll Circulation Incorporated (Asahi Kasei Corporation)
• Original Assignee: Zoll Circulation Incorporated (Asahi Kasei Corporation)
• Inventors: Palazzolo, James A., Sherman, Darren R.
• Application Number:
  US13/665,726
• Publication Number:
  US 20130060173A1
• Time in Patent Office: Days
• US Class Current: 601/41
• CPC Class Codes: A61B 5/053 Measuring electrical impedance or conductance of a portion of the body
• CPC Class Codes: A61B 5/0535 Impedance plethysmography for measuring blood flow A61B5/0295
• CPC Class Codes: A61B 5/316 Modalities, i.e. specific diagnostic methods
• CPC Class Codes: A61B 5/339 Displays specially adapted therefor
• CPC Class Codes: A61B 5/721 using a separate sensor to detect motion or using motion information derived from signals other than the physiological signal to be measured
• CPC Class Codes: A61B 5/7242 using integration
• CPC Class Codes: A61B 5/725 using specific filters therefor, e.g. Kalman or adaptive filters A61B5/316 take precedence
• 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 2201/5043 Displays
• CPC Class Codes: A61H 2201/5048 Audio interfaces, e.g. voice or music controlled
• CPC Class Codes: A61H 2201/5058 Sensors or detectors
• 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 2230/08 Other bio-electrical signals
• CPC Class Codes: A61H 2230/40 Respiratory characteristics
• CPC Class Codes: A61H 31/005 with feedback for the user
• CPC Class Codes: A61H 31/006 Power driven
• CPC Class Codes: A61H 31/007 : Manual driven
• CPC Class Codes: A61H 31/008 : Supine patient supports or bases, e.g. improving air-way access to the lungs
• CPC Class Codes: A61M 16/00 : Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes stimulating the respiratory movement by mechanical, pneumatic or electrical means, iron lungs combined with gas breathing means A61H31/00
• CPC Class Codes: A61M 16/0078 : Breathing bags
• CPC Class Codes: A61N 1/39044 : in combination with cardiopulmonary resuscitation [CPR] therapy
• CPC Class Codes: G06F 2218/04 : Denoising
• CPC Class Codes: Y10S 128/901 : Suppression of noise in electric signal
• CPC Class Codes: Y10S 601/08 : Artificial respiration with computer control
• CPC Class Codes: Y10S 601/09 : including biological sensors
• CPC Class Codes: Y10S 601/10 : Artificial respiration combined with non-artificial respiration therapy

Abstract

A piston-based automated CPR chest compression device with accelerometer feedback.

Claims

1. A method of providing CPR compressions to a patient, said method comprising:

providing a chest compression device comprising a piston and a motor for driving the piston to impact the patient'"'"'s chest at a resuscitative rate;

providing a compression monitor disposed in relation to the piston such that it experiences downward and upward acceleration of the chest caused by the chest compression device, said compression monitor comprising an accelerometer and processing means for determining, from an acceleration signal provided by the accelerometer, the depth of compression achieved by the chest compression device; and

operating the chest compression device while operating the compression monitor to provide feedback regarding the achieved compression depth to the chest compression device.

2. The method of claim 1, further comprising the step of adjusting operation of the motor to drive the piston to achieve appropriate compression rate.

3. The method of claim 1, further comprising the step of adjusting operation of the motor to drive the piston to achieve appropriate compression depth.

4. The method of claim 1, further comprising the step of adjusting operation of the motor to drive the piston to achieve appropriate compression velocity.

5. The method of claim 1, further comprising the step of adjusting operation of the motor to drive the piston to achieve appropriate compression acceleration.

6. The method of claim 1, further comprising the step of adjusting operation of the motor to drive the piston to achieve appropriate compression hold time.

7. The method of claim 1, further comprising the step of adjusting operation of the motor to drive the piston to achieve appropriate compression force.

8. A method of providing CPR compressions to a patient, said method comprising:

providing a chest compression device comprising a piston and means for driving the piston to impact the patient'"'"'s chest at a resuscitative rate;

providing a compression monitor disposed in relation to the piston such that it experiences downward and upward acceleration of the chest caused by the chest compression device, said compression monitor comprising an accelerometer and processing means for determining, from an acceleration signal provided by the accelerometer, the depth of compression achieved by the chest compression device; and

operating the chest compression device while operating the compression monitor to provide feedback regarding the achieved compression depth to the chest compression device.

9. The method of claim 8, further comprising the step of adjusting operation of the chest compression device to drive the piston to achieve appropriate compression rate.

10. The method of claim 8, further comprising the step of adjusting operation of the chest compression device to drive the piston to achieve appropriate compression depth.

11. The method of claim 8, further comprising the step of adjusting operation of the chest compression device to drive the piston to achieve appropriate compression velocity.

12. The method of claim 8, further comprising the step of adjusting operation of the chest compression device to drive the piston to achieve appropriate compression acceleration.

13. The method of claim 8, further comprising the step of adjusting operation of the chest compression device to drive the piston to achieve appropriate compression hold time.

14. The method of claim 8, further comprising the step of adjusting operation of the chest compression device to drive the piston to achieve appropriate compression force.

15. A method of providing CPR compressions to a patient, said method comprising:

providing a chest compression device comprising a piston and a motor for driving the piston to impact the patient'"'"'s chest at a resuscitative rate;

providing a compression monitor disposed in relation to the piston such that it experiences downward and upward acceleration of the chest caused by the chest compression device, said compression monitor operable to provide chest compression indication signals indicative of the depth of compressions achieved by the chest compression device; and

operating the chest compression device while operating the compression monitor to provide feedback regarding the achieved compression depth to the chest compression device.

16. The method of claim 15, further comprising the step of adjusting operation of the motor to drive the piston to achieve appropriate compression rate.

17. The method of claim 15, further comprising the step of adjusting operation of the motor to drive the piston to achieve appropriate compression depth.

18. The method of claim 15, further comprising the step of adjusting operation of the motor to drive the piston to achieve appropriate compression velocity.

19. The method of claim 15, further comprising the step of adjusting operation of the motor to drive the piston to achieve appropriate compression acceleration.

20. The method of claim 15, further comprising the step of adjusting operation of the motor to drive the piston to achieve appropriate compression hold time.

21. The method of claim 15, further comprising the step of adjusting operation of the motor to drive the piston to achieve appropriate compression force.