US 12,226,365 B2
Chest compression devices for augmented CPR
Annemarie E Silver, Bedford, MA (US); Guy R Johnson, Wilton, NH (US); Gary A Freeman, Waltham, MA (US); and Ulrich R Herken, Medford, MA (US)
Assigned to ZOLL Medical Corporation, Chelmsford, MA (US)
Filed by ZOLL Medical Corporation, Chelmsford, MA (US)
Filed on Mar. 11, 2021, as Appl. No. 17/198,340.
Application 17/198,340 is a continuation of application No. 15/142,886, filed on Apr. 29, 2016, granted, now 10,973,735.
Claims priority of provisional application 62/154,648, filed on Apr. 29, 2015.
Prior Publication US 2021/0338524 A1, Nov. 4, 2021
Int. Cl. A61H 31/00 (2006.01); A61N 1/39 (2006.01)
CPC A61H 31/005 (2013.01) [A61H 31/007 (2013.01); A61H 31/008 (2013.01); A61N 1/3937 (2013.01); A61N 1/3968 (2013.01); A61H 2031/002 (2013.01); A61H 2031/003 (2013.01); A61H 2201/1207 (2013.01); A61H 2201/1253 (2013.01); A61H 2201/1436 (2013.01); A61H 2201/1445 (2013.01); A61H 2201/1619 (2013.01); A61H 2201/1645 (2013.01); A61H 2201/5043 (2013.01); A61H 2201/5048 (2013.01); A61H 2201/5076 (2013.01); A61H 2201/5079 (2013.01); A61H 2201/5084 (2013.01); A61H 2205/084 (2013.01); A61H 2230/04 (2013.01)] 31 Claims
OG exemplary drawing
 
1. A system for augmenting release of the chest of a cardiac arrest patient during CPR with automated chest compressions, the system comprising:
an automated chest compression device; and
an augmented release device configured to be coupled with the automated chest compression device, the augmented release device comprising one or more resilient portions configured to conform to the chest of the cardiac arrest patient during the CPR with the automated chest compressions,
at least a part of an inner surface of the one or more resilient portions configured to be adhered to the chest of the patient during the CPR with the automated chest compressions,
wherein, for a chest compression cycle having one compression phase and one release phase, the one or more resilient portions have a capacity to transition between a compressed state during administration of the compression phase of the chest compression cycle and an uncompressed state during the release phase of the chest compression cycle,
wherein the augmented release device is configured to augment the release of the chest of the patient during the CPR with the automated chest compressions by exerting an expansive force by pulling on a thorax of the patient to hasten expansion of the chest during the release of the chest relative to unaided expansion of the chest, wherein the expansive force is exerted by decompression of the one or more resilient portions upon the release of the chest during the release phase of the chest compression cycle, and
wherein two ends of the one or more resilient portions are configured to be capable of overlapping each other in an area of a sternum of the patient.