Chest Compression Devices for Use with Imaging Systems, and Methods of Use of Chest Compression Devices with Imaging Systems

• US 20130072830A1
• Filed: 09/16/2011
• Published: 03/21/2013
• Est. Priority Date: 09/16/2011
• Status: Active Grant

• Current Assignee: Zoll Circulation Incorporated (Asahi Kasei Corporation)
• Original Assignee: Zoll Circulation Incorporated (Asahi Kasei Corporation)
• Inventors: Palazzolo, James Adam, Illindala, Uday Kiran V.
• Granted Patent: US 8,641,647 B2
• Time in Patent Office: Days
• US Class Current: 601/41
• CPC Class Codes: A61H 11/00 Belts, strips or combs for massage purposes
• CPC Class Codes: A61H 2011/005 with belt or strap expanding and contracting around an encircled body part
• CPC Class Codes: A61H 2201/01 Constructive details
• CPC Class Codes: A61H 2201/0103 inflatable
• CPC Class Codes: A61H 2201/1215 Rotary drive
• CPC Class Codes: A61H 2201/1246 by piston-cylinder systems
• CPC Class Codes: A61H 2201/149 rotation-linear or vice versa
• CPC Class Codes: A61H 2201/1621 Holding means therefor
• CPC Class Codes: A61H 2201/165 Wearable interfaces
• CPC Class Codes: A61H 2201/169 Physical characteristics of the surface, e.g. material, relief, texture or indicia
• CPC Class Codes: A61H 2201/5007 computer controlled
• CPC Class Codes: A61H 2201/5043 Displays
• CPC Class Codes: A61H 2203/0456 Supine
• CPC Class Codes: A61H 31/00 Artificial respiration or heart stimulation, e.g. heart massage artificial respiration by treatment with gas or air, e.g. mouth-to-mouth respiration A61M16/00; applying electric currents by contact electrodes for stimulation, e.g. heart pace-makers A61N1/36 ; teaching or training models, demonstration models for medical purposes G09B23/288
• CPC Class Codes: A61H 31/006 Power driven
• CPC Class Codes: F04C 2270/041 Controlled or regulated

Abstract

Devices and methods for performing CPR on a patient within an imaging field of an imaging device. The device has a compression belt and a belt tensioning mechanism, both located on or in the device such that the head, neck, thorax and abdomen of the patient may be place within the imaging field with the compression belt installed about the patient and the belt tensioning mechanism will be located outside of the imaging field.

Claims

1. A device for compressing the chest of a patient while imaging the patient in an imaging system, said imaging system defining an imaging area which may encompass a portion of the patient'"'"'s abdomen, thorax, neck or head, said device comprising:

a platform adapted to be disposed beneath the patient'"'"'s thorax while the patient is disposed within a gantry of the imaging system;

a belt operably connected to the platform and adapted to extend at least partially around the thorax of the patient,

the belt comprising a load distributing portion adapted extend across the patient'"'"'s chest, and left and right tensioning portions extending from the load distributing portion, downwardly toward a first set of spindles, said spindles fixed on the platform so as to be disposed laterally and aligned inferiorly/superiorly relative to the patient and further to a second set of spindles disposed medially and anteriorly/posteriorly relative to the patient;

a linear actuator, disposed relative to the load distributing portion of the belt such that it is located outside of the imaging area when the patient is disposed on the platform with the belt extending around chest of the patient and the patient is disposed within the gantry of the imaging system, said linear actuator operably connected to the tensioning portions of the belt.

2. The device of claim 1 wherein the linear actuator comprises a pneumatic actuator with an actuator rod, and the tensioning portions of the belt extend inferiorly/superiorly from the second set of spindles to the actuator rod.

3. The device of claim 2 wherein the pneumatic actuator with an actuator rod are disposed outside the imaging area of the imaging device when the load distributing portion of the belt is disposed within the imaging area.

4. The device of claim 2 wherein the pneumatic actuator with an actuator rod are disposed outside the imaging area of the imaging device when the load distributing portion of the belt is disposed about the patient'"'"'s thorax and the patient'"'"'s head, neck or abdomen are disposed within the imaging field.

5. The device of claim 1 wherein the linear actuator comprises a rotary-to-linear converter.

6. A device for compressing the chest of a patient while imaging the patient in an imaging system, said imaging system defining an imaging area which may encompass a portion of the patient'"'"'s abdomen, thorax, neck or head, said device comprising:

a platform adapted to be disposed beneath the patient'"'"'s thorax while the patient is disposed within a gantry of the imaging system;

a belt operably connected to the platform and adapted to extend at least partially around the chest of the patient,

the belt comprising a load distributing portion adapted extend across the patient'"'"'s chest, and tensioning portions extending from the load distributing portion, an posterior relative to the patient;

a tensioning means, disposed relative to the load distributing portion of the belt such that it is located outside of the imaging area when the patient is disposed on the platform with the belt extending around chest of the patient;

translating means for translating motion of the tensioning means into anterior/posterior tension in the pull straps.

7. The device of claim 6 wherein translating means comprises spindles disposed to guide the pull straps on either side of the patient'"'"'s boy from an anterior/posterior direction to a lateral/medial direction to a superior/inferior direction, and the tensioning means comprises a linear actuator connected to the pull straps and aligned along the superior/inferior direction in order to pull the pull straps superiorly or inferiorly relative to the patient.

8. The device of claim 6 wherein the tensioning means comprises a pneumatic piston with an actuator rod secured to the tensioning portions of the belt.

9. The device of claim 6 wherein the tensioning means comprises a linear actuator secured to the tensioning portions of the belt.

10. The device of claim 6 wherein the tensioning means comprises a rotary-to-linear converter secured to the tensioning portions of the belt.

11. The device of claim 6 wherein the tensioning means comprises a rotary actuator aligned to pull the tensioning portions of the belt along the superior/inferior axis of the device.

12. The device of claim 6 wherein the tensioning means comprises a motor with a drive shaft oriented transversely to the superior/inferior direction.

13. A device for compressing the chest of a patient while imaging the patient in an imaging system, said imaging system defining an imaging area which may encompass a portion of the patient'"'"'s abdomen, thorax, neck or head, said device comprising:

a platform adapted to be disposed beneath the patient'"'"'s thorax while the patient is disposed within a gantry of an imaging system;

a belt operably connected to the platform and adapted to extend at least partially around the chest of the patient,

the belt comprising a load distributing portion adapted extend across the patient'"'"'s chest, and tensioning portions extending from the load distributing portion, and posteriorly relative to the patient;

a tensioning means connected to the tensioning portions and aligned along the superior/inferior direction in order to pull the tensioning portions superiorly or inferiorly relative to the patient;

translating means for translating motion of the tensioning means into anterior/posterior tension in the pull straps.

14. The device of claim 13 wherein the tensioning means comprises a pneumatic piston with an actuator rod secured to the tensioning portions of the belt.

15. The device of claim 13 wherein the tensioning means comprises a linear actuator secured to the tensioning portions of the belt.

16. The device of claim 13 wherein the tensioning means comprises a rotary-to-linear converter secured to the tensioning portions of the belt.

17. The device of claim 13 wherein the tensioning means comprises a rotary actuator aligned to pull the tensioning portions of the belt along the superior/inferior axis of the device.

18. The device of claim 13 wherein the tensioning means comprises a linear actuator aligned pull the pull straps superiorly or inferiorly relative to the patient.

19. The device of claim 13 wherein the tensioning means comprises a motor with a drive shaft oriented transversely to the superior/inferior direction.

20. The device of claim 13 wherein the translating means comprises spindles disposed to guide the pull straps on either side of the patient'"'"'s body from an anterior/posterior direction to a lateral/medial direction to a superior/inferior direction, and the tensioning means comprises a linear actuator connected to the pull straps and aligned along the superior/inferior direction in order to pull the pull straps superiorly or inferiorly relative to the patient.

21. The device of claim 13 wherein translating means comprises spindles disposed to guide the pull straps on either side of the patient'"'"'s body from an anterior/posterior direction to a lateral/medial direction to a superior/inferior direction, and the tensioning means comprises a motor operably connected to a drive spool oriented transversely to the superior/inferior direction, said drive shaft operable connected to the pull straps in order to spool the pull straps upon the drive spool and thereby pull straps superiorly or inferiorly relative to the patient.

22. A method of performing CPR chest compressions on a patient while imaging a patient with an imaging device having a gantry, said imaging device characterized by an imaging field, said method comprising:

providing a CPR compression device comprising a compression belt with a load distributing portion and a tensioning portion, and a tensioning means for repetitively tightening the belt about the thorax of a patient at a resuscitative rate;

placing a portion of the patient within the imaging field;

installing the load distributing portion of the compression belt over the chest of the patient while locating the tensioning means outside of the imaging field;

operating the chest compression device to provide multiple CPR chest compressions and imaging a portion of the patient while the load distributing portion of the compression belt is disposed over the chest of the patient.

23. The method of claim 22, further comprising the step of providing multiple CPR chest compressions in multiple periods separated by ventilation pauses, and performing the imaging during said ventilation pauses.

24. The method of claim 22, further comprising the step of providing multiple CPR chest compressions, each compression defining a compression cycle, and performing the imaging at predetermined points in the compression cycle.